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CMOS POSITIVE VOLTAGE REGULATORS VERY DROP VERY QUIESCENT CURRENT


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C78L00 SERIES
CMOS POSITIVE VOLTAGE REGULATORS VERY DROP VERY QUIESCENT
CURRENT CONSUMPTION (TYP. 19µA) WIDE OPERATING VOLTAGE RANGE VERY DROP VOLTAGE CMOS TECHNOLOGY
SO-8
DESCRIPTION C78L00 series CMOS Positive Voltage Regulators. These regulators contains internal precision voltage reference, error amplifier, control transistor output voltage setting resistor. regulation voltage fixed internal circuits following lines different output voltages available. This series suitable battery operated items battery back-up systems because current consumption drop voltage. SCHEMATIC DIAGRAM
TO-92
January 1994
C78L00 SERIES
ABSOLUTE MAXIMUM RATING
Symbol Ptot Tstg Tsold tsold Input Voltage Maximum Output Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range Soldering Temperature Soldering Time C78L00B C78L00C Parameter Value Internally limited
Unit
SO-8 packageused Voltage Regulators modified internally have pins electrically commoned attach flag. This particular frame decreases total thermal resistance package increases ability dissipate power when appropriate copper printed circuit board available heatsinking. external dimensions same standard SO-8
TEST CIRCUITS
C78L00 SERIES
CONNECTION DIAGRAM ORDERING NUMBERS (top view)
BOTTOM VIEW
SO-8 TO-92
Type C78L03B C78L03C C78L05B C78L05C C78L12B C78L12C C78L15B C78L15C C78L25B C78L25C C78L27B C78L27C C78L32B C78L32C C78L35B C78L35C C78L40B C78L40C C78L45B C78L45C C78L52B C78L52C C78L55B C78L55C
SO-8 C78L03BD C78L03CD C78L05BD C78L05CD C78L12BD C78L12CD C78L15BD C78L15CD C78L25BD C78L25CD C78L27BD C78L27CD C78L32BD C78L32CD C78L35BD C78L35CD C78L40BD C78L40CD C78L45BD C78L45CD C78L52BD C78L52CD C78L55BD C78L55CD
TO-92 C78L03BZ C78L03CZ C78L05BZ C78L05CZ C78L12BZ C78L12CZ C78L15BZ C78L15CZ C78L25BZ C78L25CZ C78L27BZ C78L27CZ C78L32BZ C78L32CZ C78L35BZ C78L35CZ C78L40BZ C78L40CZ C78L45BZ C78L45CZ C78L52BZ C78L52CZ C78L55BZ C78L55CZ
Output Voltage
Note Available Available Available Available Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request Request
C78L00 SERIES
ELECTRICAL CHARACTERISTICS C78L12 (refer test circuits, unless otherwise specified)
Symbol Parameter Output Voltage Input Voltage Line Regulation Load Regulation Quiescent Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min.
Typ. 0.02
Max.
Unit
ELECTRICAL CHARACTERISTICS C78L03 (refer test circuits, unless otherwise specified)
Symbol Parameter Output Voltage Input Voltage Line Regulation Load Regulation Quiescent Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 2.85
Typ.
Max. 3.15
Unit
ELECTRICAL CHARACTERISTICS C78L05 (refer test circuits, unless otherwise specified)
Symbol Parameter Output Voltage Input Voltage Line Regulation Load Regulation Quiescent Current Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 4.75
Typ.
Max. 5.25
Unit
C78L00 SERIES
Figure Output Voltage Input Voltage Figure Output Voltage Output Current
Figure Quiescent Current
Figure Dropout Voltage
Figure Quiescent Current
Figure Quiescent Current
C78L00 SERIES
MECHANICAL DATA
DIM. MIN. 1.27 3.81 1.27 (max.) 0.14 0.015 0.65 0.35 0.19 0.25 TYP. MAX. 1.75 0.25 1.65 0.85 0.48 0.25 (typ.) 0.188 0.228 0.050 0.150 0.157 0.050 0.023 0.196 0.244 0.025 0.013 0.007 0.010 0.003 MIN. inch TYP. MAX. 0.068 0.009 0.064 0.033 0.018 0.010 0.019
P013M
C78L00 SERIES
TO-92 MECHANICAL DATA
DIM. MIN. TYP. MAX. MIN.
inch
TYP.
MAX.
4.58
5.33
0.180
0.210
4.45
0.175
0.204
0.126
0.165
12.7
0.500
1.27
0.050
0.51
0.016
0.020
0.35
0.14
C78L00 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
L7800 SERIES
POSITIVE VOLTAGE REGULATORS
OUTPUT CURRENT 1.5A OUTPUT VOLTAGES 5.2; 8.5; THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSISTOR PROTECTION
DESCRIPTION L7800 series three-terminal positive regulator available TO-220, ISOWATT220 TO-3 packages with several fixed output voltages making useful wide range applications. These regulators provide local on-card regulation, eliminating distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down safe area protection, making essentially indestructible. adequate heat sinking provided, they deliver over output current. Although designed primarily fixed voltage regulators, these devices used with external components obtain adjustable voltages currents. BLOCK DIAGRAM
TO-3
TO-220
ISOWATT220
January 1993
1/24
L7800 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Input Voltage (for 18V) (for 24V) Output Current Power Dissipation Operating Junction Temperature (for L7800 (for L7800C Storage Temperature Value Internally limited Internally limited Unit
THERMAL DATA
Symbol Parameter TO-220 ISOWATT220 TO-3 Unit
Rthj-case Thermal Resistance Junction-case Rthj-amb Thermal Resistance Junction-ambient
CONNECTION DIAGRAM ORDERING NUMBERS (top view)
TO-220 ISOWATT220
TO-3
Type L7805 L7805C L7852C L7806 L7806C L7808 L7808C L7885C L7809C L7812 L7812C L7815 L7815C L7818 L7818C L7820 L7820C L7824 L7824C
TO-220 L7805CV L7852CV L7806CV L7808CV L7885CV L7809CV L7812CV L7815CV L7818CV L7820CV L7824CV
ISOWATT220 L7805CP L7852CP L7806CP L7808CP L7885CP L7809CP L7812CP L7815CP L7818CP L7820CP L7824CP
TO-3 L7805T L7805CT L7852CT L7806T L7806CT L7808T L7808CT L7885CT L7809CT L7812T L7812CT L7815T L7815CT L7818T L7818CT L7820T L7820CT L7824T L7824CT
Output Voltage 5.2V 8.5V
2/24
L7800 SERIES
APPLICATION CIRCUIT
SCHEMATIC DIAGRAM
3/24
L7800 SERIES
TEST CIRCUITS Figure Parameters. Figure Load Regulation.
Figure Ripple Rejection.
4/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7805 (refer test circuits, 10V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 4.65 Typ. Max. 5.35 0.75 Unit mV/oC µV/VO
1500 1000
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7806 (refer test circuits, 15V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 5.75 5.65 Typ. Max. 6.25 6.35 0.75 Unit mV/oC µV/VO
1500 1000
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
5/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7808 (refer test circuits, 14V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 11.5 10.5 1500 1000 11.5 10Hz 100KHz 11.5 21.5
Test Conditions
Min.
Typ.
Max.
Unit mV/oC
0.75
µV/VO
ELECTRICAL CHARACTERISTICS L7812 (refer test circuits, 19V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 15.5 14.5 1500 1000 10Hz 100KHz
Test Conditions
Min. 11.5 11.4
Typ.
Max. 12.5 12.6
Unit mV/oC
0.75
µV/VO
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
6/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7815 (refer test circuits, 23V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 18.5 17.5 1500 1000 18.5 10Hz 100KHz 18.5 28.5
Test Conditions
Min. 14.4 14.25
Typ.
Max. 15.6 15.75
Unit mV/oC
0.75
µV/VO
ELECTRICAL CHARACTERISTICS L7818 (refer test circuits, 26V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 17.3 17.1 Typ. Max. 18.7 18.9 0.75 Unit mV/oC µV/VO
1500 1000
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
7/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7820 (refer test circuits, 28V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 19.2 Typ. Max. 20.8 0.75 Unit mV/oC µV/VO
22.5 1500 1000 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7824 (refer test circuits, 33V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 22.8 Typ. Max. 25.2 0.75 Unit mV/oC µV/VO
1500 1000
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
8/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7805C (refer test circuits, 10V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 4.75 Typ. Max. 5.25 -1.1 Unit mV/oC
1500 1000
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7852C (refer test circuits, 10V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 4.95 Typ. Max. 5.45 -1.0 Unit mV/oC
1500 1000
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
9/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7806C (refer test circuits, 11V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 5.75 Typ. Max. 6.25 -0.8 Unit mV/oC
1500 1000
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7808C (refer test circuits, 14V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 10.5 10.5 1500 1000 10.5 10Hz 100KHz 11.5 21.5
Test Conditions
Min.
Typ.
Max.
Unit mV/oC
-0.8
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
10/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7885C (refer test circuits, 14.5V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. Typ. Max. -0.8 Unit mV/oC
11.5 17.5 1500 1000 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7809C (refer test circuits, 15V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 11.5 11.5 1500 1000 11.5 10Hz 100KHz
Test Conditions
Min. 8.65 8.55
Typ.
Max. 9.35 9.45
Unit mV/oC
-1.0
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
11/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7812C (refer test circuits, 19V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 14.5 14.5 1500 1000 14.5 10Hz 100KHz
Test Conditions
Min. 11.5 11.4
Typ.
Max. 12.5 12.6
Unit mV/oC
ELECTRICAL CHARACTERISTICS L7815C (refer test circuits, 23V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current 17.5 17.5 1500 1000 17.5 10Hz 100KHz 18.5 28.5
Test Conditions
Min. 14.4 14.25
Typ.
Max. 15.6 15.75
Unit mV/oC
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
12/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7818C (refer test circuits, 26V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 17.3 17.1 Typ. Max. 18.7 18.9 Unit mV/oC
1500 1000
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7820C (refer test circuits, 28V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 19.2 Typ. Max. 20.8 Unit mV/oC
22.5 1500 1000 10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
13/24
L7800 SERIES
ELECTRICAL CHARACTERISTICS L7824C (refer test circuits, 33V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Output Resistance Short Circuit Current Short Circuit Peak Current Test Conditions Min. 22.8 Typ. Max. 25.2 -1.5 Unit mV/oC
1500 1000
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
14/24
L7800 SERIES
Figure Dropout Voltage Junction Temperature. Figure Peak Output Current Input/output Differential Voltage.
Figure Supply Voltage Rejection Frequency.
Figure Output Voltage Junction Temperature.
Figure Output Impedance Frequency.
Figure Quiescent Current Junction Temperature.
15/24
L7800 SERIES
Figure Load Transient Response. Figure Line Transient Response.
Figure Quiescent Current Input Voltage.
Figure Fixed Output Regulator.
Figure Current Regulator.
Notes specify output voltage, substitute voltage value "XX". Although output capacitor needed stabili does improve transient response. Required regulator located appreciable dis-tance from power supply filter.
16/24
L7800 SERIES
Figure Circuit Increasing Output Voltage. Figure Adjustable Output Regulator 30V).
Figure High Current Voltage Regulator.
Figure Regulator.
IREQ
VBEQ1 VBEQ1
IREG [IREG
17/24
L7800 SERIES
Figure High Output Current with Short Circuit Protection. Figure Tracking Voltage Regulator.
VBEQ2 Figure Negative Output Voltage Circuit.
Figure Split Power Supply 1A).
Against potential latch-up problems.
Figure Switching Regulator.
Figure High Input Voltage Circuit.
VBE)
18/24
L7800 SERIES
Figure High Input Voltage Circuit. Figure High Output Voltage Regulator.
Figure High Input Output Voltage.
Figure Reducing Power Dissipation with Dropping Resistor.
Vi(min) VDROP(max) IO(max) Id(max)
Figure Remote Shutdown.
19/24
L7800 SERIES
Figure Power Modulator (unity voltage gain, 1A). Figure Adjustable Output Voltage with Temperature Compensation.
Note circuit performs well 100KHz.
Note connected diode order compensate variation with temperature. allows slow rise-time
Figure Light Controllers VBE).
falls when light goes Figure Protection against Input Short-circuit with High Capacitance Loads.
rises when light goes
Applications with high capacitance loads output voltage greater than volts need external diode (see fig. protect device against input short circuit. this case input voltage falls rapidly while output voltage decreases showly. capacitance discharges means Base-Emitter junction series pass transistor regulator. energy sufficiently high, tran-sistor
20/24
L7800 SERIES
TO-3 MECHANICAL DATA
MIN. 11.00 0.97 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 TYP. MAX. 13.10 1.15 1.65 8.92 20.00 11.10 17.20 26.00 4.09 39.30 30.30 MIN. 0.433 0.038 0.059 0.327 0.748 0.421 0.649 0.984 0.157 1.515 1.187 inch TYP. MAX. 0.516 0.045 0.065 0.351 0.787 0.437 0.677 1.023 0.161 1.547 1.193
DIM.
P003F
21/24
L7800 SERIES
TO-220 MECHANICAL DATA
DIM. MIN. DIA. 13.0 2.65 15.2 3.75 0.49 0.61 1.14 1.14 4.95 10.0 16.4 14.0 2.95 15.9 3.85 0.511 0.104 0.598 0.244 0.137 0.147 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 10.40 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.551 0.116 0.625 0.260 0.165 0.151 TYP. MAX. 4.60 1.32 2.72 MIN. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.106 0.409 inch TYP. MAX. 0.181 0.051 0.107
Dia.
22/24
P011C
L7800 SERIES
ISOWATT220 MECHANICAL DATA
DIM. MIN. 28.6 15.9 0.75 1.15 1.15 4.95 30.6 10.6 16.4 1.126 0.385 0.626 0.354 0.118 TYP. MAX. 2.75 10.4 MIN. 0.173 0.098 0.098 0.015 0.030 0.045 0.045 0.195 0.094 0.393 0.630 1.204 0.417 0.645 3.66 0.126 inch TYP. MAX. 0.181 0.106 0.108 0.027 0.039 0.067 0.067 0.204 0.106 0.409
P011G
23/24
L7800 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
24/24
L78L00 SERIES
POSITIVE VOLTAGE REGULATORS
OUTPUT CURRENT OUTPUT VOLTAGES THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION EXTERNAL COMPONENTS REQUIRED AVAILABLE EITHER (AC) SELECTION
DESCRIPTION L78L00 series three-terminal positive regulators employ internal current limiting thermal shutdown, making them essentially indestructible. adequate heatsink provided, they deliver output current. They intended fixed voltage regulators wide range applications including local on-card regulation elimination noise distribution problems associated with single-point regulation. addition, they used with power pass elements make high-current voltage regulators. L78L00 series used Zener diode/resistor combination replacement, offers effective output impedance improvement typically orders magnetude, along with lower quiescent current lower noise. SCHEMATIC DIAGRAM
SO-8
TO-92
January 1994
1/17
L78L00 SERIES
ABSOLUTE MAXIMUM RATING
Symbol Input Voltage Parameter Ptot Tstg Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range L78L00C, L78L00AC L78L00AB Value Internally limited
Unit
SO-8 package used Voltage Regulators modified internally have pins electrically commoned attach flag. This particular frame decreases total thermal resistance package increases ability dissipate power when appropriate area copper printed circuit board available heatsinking. external dimensions same standard SO-8
TEST CIRCUITS
2/17
L78L00 SERIES
CONNECTION DIAGRAM ORDERING NUMBERS (top view)
BOTTOM VIEW
SO-8 TO-92
ORDERING NUMBERS
Type L78L05C L78L05AC L78L05AB L78L06C L78L06AC L78L06AB L78L08C L78L08AC L78L08AB L78L09C L78L09AC L78L09AB L78L12C L78L12AC L78L12AB L78L15C L78L15AC L78L15AB L78L18C L78L18AC L78L18AB L78L24C L78L24AC L78L24AB SO-8 L78L05CD L78L05ACD L78L05ABD L78L06CD L78L06ACD L78L06ABD L78L08CD L78L08ACD L78L08ABD L78L09CD L78L09ACD L78L09ABD L78L12CD L78L12ACD L78L12ABD L78L15CD L78L15ACD L78L15ABD L78L18CD L78L18ACD L78L18ABD L78L24CD L78L24ACD L78L24ABD TO-92 L78L05CZ L78L05ACZ L78L05ABZ L78L06CZ L78L06ACZ L78L06ABZ L78L08CZ L78L08ACZ L78L08ABZ L78L09CZ L78L09ACZ L78L09ABZ L78L12CZ L78L12ACZ L78L12ABZ L78L15CZ L78L15ACZ L78L15ABZ L78L18CZ L78L18ACZ L78L18ABZ L78L24CZ L78L24ACZ L78L24ABZ Output Voltage
3/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L05 (refer test circuits, 10V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min.
Typ.
Max.
Unit
ELECTRICAL CHARACTERISTICS L78L06 (refer test circuits, 12V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage
Test Conditions
Min. 5.52
Typ.
Max. 6.48
Unit
10Hz 100KHz
4/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L08 (refer test circuits, 14V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10.5 10Hz 100KHz
Test Conditions 10.5
Min. 7.36
Typ.
Max. 8.64
Unit
ELECTRICAL CHARACTERISTICS L78L09 (refer test circuits, 15V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 11.5
Test Conditions
Min. 8.28
Typ.
Max. 9.72
Unit
11.5 10Hz 100KHz
5/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L12 (refer test circuits, 19V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 14.5 Test Conditions Min. 11.1 10.8 10.8 Typ. Max. 12.9 13.2 13.2
Unit
14.5 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L78L15 (refer test circuits, 23V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 17.5
Test Conditions
Min. 13.8 13.5 13.5
Typ.
Max. 16.2 16.5 16.5
Unit
17.5 10Hz 100KHz 18.5 28.5
6/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L18 (refer test circuits, 27V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 16.6 16.2 16.2
Typ.
Max. 19.4 19.8 19.8
Unit
ELECTRICAL CHARACTERISTICS L78L24 (refer test circuits, 33V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 22.1 21.6 21.6
Typ.
Max. 25.9 26.4 26.4
Unit
7/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L05AB L78L05AC (refer test circuits, 10V, 0.33 L78L05AC, L78L05AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 4.75 4.75
Typ.
Max. 5.25 5.25
Unit
ELECTRICAL CHARACTERISTICS L78L06AB L78L06AC (refer test circuits, 12V, 0.33 L78L06AC, L78L06AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage
Test Conditions
Min. 5.76
Typ.
Max. 6.24
Unit
10Hz 100KHz
8/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L08AB L78L08AC (refer test circuits, 14V, 0.33 L78L08AC, L78L08AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10.5 10Hz 100KHz
Test Conditions 10.5
Min. 7.68
Typ.
Max. 8.32
Unit
ELECTRICAL CHARACTERISTICS L78L09AB L78L09AC (refer test circuits, 15V, 0.33 L78L09AC, L78L09AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 11.5
Test Conditions
Min. 8.64 8.55 8.55
Typ.
Max. 9.36 9.45 9.45
Unit
11.5 10Hz 100KHz
9/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L12AB L78L12AC (refer test circuits, 19V, 0.33 L78L12AC, L78L12AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 14.5 Test Conditions Min. 11.5 11.4 11.4 Typ. Max. 12.5 12.6 12.6
Unit
14.5 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L78L15AB L78L15AC (refer test circuits, 23V, 0.33 L78L15AC, L78L15AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 17.5
Test Conditions
Min. 14.4 14.25 14.25
Typ.
Max. 15.6 15.75 15.75
Unit
17.5 10Hz 100KHz 18.5 28.5
10/17
L78L00 SERIES
ELECTRICAL CHARACTERISTICS L78L18AB L78L18AC (refer test circuits, 27V, 0.33 L78L18AC, L78L18AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 17.3 17.1 17.1
Typ.
Max. 18.7 18.9 18.9
Unit
ELECTRICAL CHARACTERISTICS L78L24AB L78L24AC (refer test circuits, 33V, 0.33 L78L24AC, L78L24AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. 22.8 22.8
Typ.
Max. 25.2 25.2
Unit
11/17
L78L00 SERIES
Figure L78L05/12 Output Voltage Ambient Temperature Figure L78L05/12/24 Load Characteristics.
Figure L78L05/12/24 Thermal Shutdown.
Figure L78L05/12 Quiescent Current Output Current
Figure L78L05 Quiescent Current Input Voltage.
Figure L78L05/12/24 Output Characteristics.
12/17
L78L00 SERIES
Figure L78L05/12/24 Ripple Rejection. Figure L78L05 Dropout Characteristics.
Figure L78L00 Series Short Circuit Output Current.
TYPICAL APPLICATIONS: Figure High Output Current Short Circuit Protected
13/17
L78L00 SERIES
Figure Output Boost Circuit.
Figure Current Regulator.
Figure Adjustable Output Regulator
14/17
L78L00 SERIES
MECHANICAL DATA
DIM. MIN. 1.27 3.81 1.27 (max.) 0.14 0.015 0.65 0.35 0.19 0.25 TYP. MAX. 1.75 0.25 1.65 0.85 0.48 0.25 (typ.) 0.188 0.228 0.050 0.150 0.157 0.050 0.023 0.196 0.244 0.025 0.013 0.007 0.010 0.003 MIN. inch TYP. MAX. 0.068 0.009 0.064 0.033 0.018 0.010 0.019
P013M
15/17
L78L00 SERIES
TO-92 MECHANICAL DATA
DIM. MIN. TYP. MAX. MIN.
inch
TYP.
MAX.
4.58
5.33
0.180
0.210
4.45
0.175
0.204
0.126
0.165
12.7
0.500
1.27
0.050
0.51
0.016
0.020
0.35
0.14
16/17
L78L00 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
17/17
L78M00 SERIES
POSITIVE VOLTAGE REGULATORS
OUTPUT CURRENT 0.5A OUTPUT VOLTAGES THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSISTOR PROTECTION
SOT-82 SOT-194 DPAK (TO-252)
DESCRIPTION L78M00 series three-terminal positive regulators available TO-220, ISOWATT220, SOT-82, SOT-194 DPAK packages with several fixed output voltages, making useful wide range applications. These regulators provide local on-card regulation, eliminating distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down safe area protection, making essentially indestructible. adequate heat sinking provided, they deliver over 0.5A output current. Although designed primarily fixed voltage regulators, these devices used with external components obtain adjustable voltages currents. BLOCK DIAGRAM
TO-220
ISOWATT220
April 1994
1/19
L78M00 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol Ptot Parameter Input Voltage (for 18V) (for 24V) Output Current Power Dissipation Storage Temperature Operating Junction Temperature Value Internally limited Internally limited Unit
THERMAL DATA
Symbol Parameter SOT-82 SOT-194 DPAK TO-220 ISOWATT220 Unit
Rthj-case Thermal Resistance Junction-case Rthj-amb Thermal Resistance Junction-ambient
CONNECTION DIAGRAM ORDERING NUMBERS (top view)
TO-220/ISOWATT22
SOT82/194
DPAK
Order Code TO-220 L78M05CV L78M06CV L78M08CV L78M09CV L78M10CV L78M12CV L78M15CV L78M18CV L78M20CV L78M24CV ISOWATT220 L78M05CP L78M06CP L78M08CP L78M09CP L78M10CP L78M12CP L78M15CP L78M18CP L78M20CP L78M24CP SOT-82 L78M05CX L78M06CX L78M08CX L78M09CX L78M10CX L78M12CX L78M15CX L78M18CX L78M20CX L78M24CX SOT-194 L78M05CS L78M06CS L78M08CS L78M09CS L78M10CS L78M12CS L78M15CS L78M18CS L78M20CS L78M24CS DPAK L78M05CDT L78M06CDT L78M08CDT L78M09CDT L78M10CDT L78M12CDT L78M15CDT L78M18CDT L78M20CDT L78M24CDT
Output Voltage
2/19
L78M00 SERIES
APPLICATION CIRCUIT
SCHEMATIC DIAGRAM
3/19
L78M00 SERIES
TEST CIRCUITS Figure Parameters. Figure Load Regulation.
Figure Ripple Rejection.
4/19
L78M00 SERIES
ELECTRICAL CHARACTERISTICS L78M05C (refer test circuits, 10V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current -0.5
Test Conditions
Min. 4.75
Typ.
Max. 5.25
Unit mV/oC
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L78M06C (refer test circuits, 11V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current -0.5 Test Conditions Min. 5.75 Typ. Max. 6.25 Unit mV/oC
10Hz 100KHz
5/19
L78M00 SERIES
ELECTRICAL CHARACTERISTICS L78M08C (refer test circuits, 14V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current 10.5 -0.5
Test Conditions 10.5 10.5
Min.
Typ.
Max.
Unit mV/oC
10Hz 100KHz 11.5 21.5
ELECTRICAL CHARACTERISTICS L78M09C (refer test circuits, 15V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current 11.5 -0.5 11.5 11.5 Test Conditions Min. 8.65 8.55 Typ. Max. 9.35 9.45 Unit mV/oC
10Hz 100KHz 12.5
6/19
L78M00 SERIES
ELECTRICAL CHARACTERISTICS L78M10C (refer test circuits, 16V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current 12.5 -0.5
Test Conditions 12.5 12.5
Min.
Typ.
Max. 10.4 10.5
Unit mV/oC
10Hz 100KHz 13.5
ELECTRICAL CHARACTERISTICS L78M12C (refer test circuits, 19V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current 14.5 14.5 14.5 Test Conditions Min. 11.5 11.4 Typ. Max. 12.5 12.6 Unit mV/oC
10Hz 100KHz
7/19
L78M00 SERIES
ELECTRICAL CHARACTERISTICS L78M15C (refer test circuits, 23V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current 17.5
Test Conditions 17.5 17.5
Min. 14.4 14.25
Typ.
Max. 15.6 15.75
Unit mV/oC
10Hz 100KHz 18.5 28.5
ELECTRICAL CHARACTERISTICS L78M18C (refer test circuits, 26V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current
Test Conditions 20.5
Min. 17.3 17.1
Typ.
Max. 18.7 18.9
Unit mV/oC
-1.1
10Hz 100KHz
8/19
L78M00 SERIES
ELECTRICAL CHARACTERISTICS L78M20C (refer test circuits, 29V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 19.2
Typ.
Max. 20.8
Unit mV/oC
-1.1
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L78M24C (refer test circuits, 33V, 0.33 unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 22.8
Typ.
Max. 25.2
Unit mV/oC
-1.2
10Hz 100KHz
9/19
L78M00 SERIES
Figure Dropout Voltage Junction Temperature. Figure Dropout Characteristics.
Figure Peak Output Current Input-Output Differential Voltage.
Figure Output Voltage Junction Temperature.
Figure Supply Voltage Rejection Frequency.
Figure Quiescent Current Junction Temperature.
10/19
L78M00 SERIES
Figure Load Transient Response. Figure Line Transient Response.
Figure Quiescent Current Input Voltage.
Figure Fixed Output Regulator.
Notes
specify output voltage, substitute voltage value "XX". Although output capacitor needed stability, does improve transient response. Required regulator located appreciable dis-tance from power supply filter.
Figure Constant Current Regulator.
Figure Circuit Increasing Output Voltage.
11/19
L78M00 SERIES
Figure Adjustable Output Regulator 30V). Figure Regulator.
Figure High Current Voltage Regulator.
Figure High Output Current with Short Circuit Protection.
IREQ
VBEQ1 VBEQ1 VBEQ2
IREG [IREG
Figure Tracking Voltage Regulator.
Figure High Input Voltage Circuit.
12/19
L78M00 SERIES
Figure Reducing Power Dissipation with Dropping Resistor. Figure Power Modulator (unity voltage gain, 0.5).
Vi(min) VDROP(max) IO(max) Id(max)
Note circuit performs well 100KHz.
Figure Adjustable Output Voltage with Temperature Compensation.
Note connected diode order compensat variation temperature. allows slow rise-ti
13/19
L78M00 SERIES
TO-220 MECHANICAL DATA
DIM. MIN. Dia. 26.3 15.1 3.65 10.05 16.2 26.7 27.1 15.8 3.85 1.035 0.102 0.594 0.236 0.144 0.35 1.15 4.95 5.08 TYP. MAX. 1.37 1.35 0.55 1.05 5.21 10.4 10.4 0.396 0.638 1.051 1.067 0.118 0.622 0.260 0.152 0.094 0.047 0.014 0.031 0.045 0.195 0.200 MIN. inch TYP. MAX. 0.189 0.054 0.110 0.053 0.022 0.041 0.055 0.205 0.409 0.409
P011D
14/19
L78M00 SERIES
ISOWATT220 MECHANICAL DATA
DIM. MIN. 28.6 15.9 0.75 1.15 1.15 4.95 30.6 10.6 16.4 1.126 0.385 0.626 0.354 0.118 TYP. MAX. 2.75 10.4 MIN. 0.173 0.098 0.098 0.015 0.030 0.045 0.045 0.195 0.094 0.393 0.630 1.204 0.417 0.645 0.366 0.126 inch TYP. MAX. 0.181 0.106 0.108 0.027 0.039 0.067 0.067 0.204 0.106 0.409
P011G
15/19
L78M00 SERIES
SOT-82 MECHANICAL DATA
MIN. 10.5 0.49 15.7 2.54 TYP. MAX. 11.3 0.75 MIN. 0.291 0.413 0.028 0.019 0.04 0.047 0.618 0.087 0.173 0.150 0.100 inch TYP. MAX. 0.307 0.445 0.035 0.030 0.106
DIM.
P032A
16/19
L78M00 SERIES
SOT-194 MECHANICAL DATA
DIM. MIN. 10.5 0.49 2.54 (typ.) 0.157 0.079 0.004 TYP. MAX. 11.3 0.75 MIN. 0.291 0.413 0.028 0.019 0.094 0.047 0.051 0.236 0.087 0.173 0.150 0.100 inch TYP. MAX. 0.307 0.445 0.035 0.030 0.106
P032B
17/19
L78M00 SERIES
TO-252 (DPAK) MECHANICAL DATA
DIM. MIN. 0.48 0.45 9.35 2.55 0.45 0.031 0.012 0.64 TYP. MAX. 10.1 3.05 0.074 0.018 0.017 0.236 0.252 0.173 0.368 0.100 0.023 0.031 0.047 0.017 MIN. 0.086 0.035 0.025 0.133 0.204 inch TYP. MAX. 0.094 0.043 0.031 0.141 0.212 0.035 0.082 0.023 0.023 0.244 0.260 0.181 0.397 0.120 0.039
18/19
L78M00 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specificationsmentioned this publication subject change without notice. This publication supersedes eplaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical componentsin life upport devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
19/19
L78S00 SERIES
POSITIVE VOLTAGE REGULATORS
OUTPUT CURRENT OUTPUT VOLTAGES THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSISTOR PROTECTION
DESCRIPTION L78S00 series three-terminal positive regulators available TO-220 TO-3 packages with several fixed output voltages, making useful wide range applications. These regulators provide local on-card regulation, eliminating distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down safe area protection, making essentially indestructible. adequate heat sinking provided, they deliver over output current. Although designed primarily fixed voltage regulators, these devices used with external components obtain adjustable voltages currents. BLOCK DIAGRAM
TO-3
TO-220
January 1993
1/21
L78S00 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Input Voltage (for 18V) (for 24V) Output Current Power Dissipation Storage Temperature Operating Junction Temperature (for L78S00 (for L78S00C Value Internally limited Internally limited Unit
THERMAL DATA
TO-220 Thermal Resistance Junction-case -amb Thermal Resistance Junction-ambient TO-3 °C/W °C/W
CONNECTION DIAGRAMS ORDERING NUMBERS (top views)
Type L78S05 L78S05C L78S75 L78S75C L78S09 L78S09C L78S10 L78S10C L78S12 L78S12C L78S15 L78S15C L78S18 L78S18C L78S24 L78S24C
L78S05CV L78S75CV L78S09CV L78S10CV L78S12CV L78S15CV L78S18CV L78S24CV
TO-3 L78S05T L78S05CT L78S75T L78S75CT L78S09T L78S09CT L78S10T L78S10CT L78S12T L78S12CT L78S15T L78S15CT L78S18T L78S18CT L78S24T L78S24CT
Output Voltage 7.5V 7.5V
2/21
L78S00 SERIES
APPLICATION CIRCUIT
SCHEMATIC DIAGRAM
3/21
L78S00 SERIES
TEST CIRCUITS Figure Parameters. Figure Load Regulation.
Figure Ripple Rejection.
4/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S05 (refer test circuits, 10V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current -1.1
Test Conditions
Min. 4.75
Typ.
Max. 5.25
Unit mV/oC
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S75 (refer test circuits, 12.5V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current -0.8 10.5 10.5 Test Conditions Min. 7.15 Typ. Max. 7.95 Unit mV/oC
10Hz 100KHz 1KHz
5/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S09 (refer test circuits, 14V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 8.65
Typ.
Max. 9.35
Unit mV/oC
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S10 (refer test circuits, 15V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 12.5 12.5 12.5 Test Conditions Min. Typ. Max. 10.5 10.6 Unit mV/oC
10Hz 100KHz 1KHz
6/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S12 (refer test circuits, 19V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 14.5
Test Conditions 14.5
Min. 11.5 11.4
Typ.
Max. 12.5 12.6
Unit mV/oC
14.5
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S15 (refer test circuits, 23V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 17.5 17.5 17.5 Test Conditions Min. 14.4 14.25 Typ. Max. 15.6 15.75 Unit mV/oC
10Hz 100KHz 1KHz
7/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S18 (refer test circuits, 26V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions 20.5
Min. 17.1
Typ.
Max. 18.9
Unit mV/oC
20.5
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S24 (refer test circuits, 33V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current -1.5 Test Conditions Min. 22.8 Typ. Max. 25.2 Unit mV/oC
10Hz 100KHz 1KHz
8/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S05C (refer test circuits, 10V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 4.75
Typ.
Max. 5.25
Unit mV/oC
-1.1
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S75C (refer test circuits, 12.5V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 7.15
Typ.
Max. 7.95
Unit mV/oC
10.5
-0.8 10.5
10Hz 100KHz 1KHz
9/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S09C (refer test circuits, 14V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 8.65
Typ.
Max. 9.35
Unit mV/oC
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S10C (refer test circuits, 15V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 12.5
Test Conditions 12.5
Min.
Typ.
Max. 10.5 10.6
Unit mV/oC
12.5
10Hz 100KHz 1KHz
10/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S12C (refer test circuits, 19V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 14.5
Test Conditions 14.5
Min. 11.5 11.4
Typ.
Max. 12.5 12.6
Unit mV/oC
14.5
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S15C (refer test circuits, 23V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 17.5
Test Conditions 17.5
Min. 14.4 14.25
Typ.
Max. 15.6 15.75
Unit mV/oC
17.5
10Hz 100KHz 1KHz
11/21
L78S00 SERIES
ELECTRICAL CHARACTERISTICS L78S18C (refer test circuits, 26V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current 20.5
Test Conditions 20.5
Min. 17.1
Typ.
Max. 18.9
Unit mV/oC
20.5
10Hz 100KHz 1KHz
ELECTRICAL CHARACTERISTICS L78S24C (refer test circuits, 33V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Operating Input Voltage Output Resistance Short Circuit Current Short Circuit Peack Current
Test Conditions
Min. 22.8
Typ.
Max. 25.2
Unit mV/oC
-1.5
10Hz 100KHz 1KHz
12/21
L78S00 SERIES
Figure Dropout Voltage Junction Temperature. Figure Peak Output Current Input/Output Differential Voltage.
Figure Supply Voltage Rejection Frequency.
Figure Output Voltage Junction Temperature.
Figure Output Impedance Frequency.
Figure Quiescent Current Junction Temperature.
13/21
L78S00 SERIES
Figure Load Transient Response. Figure Line Transient Response.
Figure Quiescent Current Input Voltage.
Figure Fixed Output Regulator.
Figure Constant Current Regulator.
Notes specify output voltage, substitute voltage value "XX". Although output capacitor needed stabili does improve transient response. Required regulator located appreciable dis-tance from power supply filter.
14/21
L78S00 SERIES
Figure Circuit Increasing Output Voltage. Figure Adjustable Output Regulator 30V).
Figure High Current Voltage Regulator.
Figure Regulator.
IREQ
VBEQ1 VBEQ1
IREG [IREG
Figure High Output Current with Short Circuit Protection.
Figure Tracking Voltage Regulator.
VBEQ2
15/21
L78S00 SERIES
Figure Positive Negative Regulator. Figure Negative Output Voltage Circuit.
necessary load connected between
Figure Switching Regulator.
Figure High Input Voltage Circuit.
VBE) Figure High Input Voltage Circuit. Figure High Output VoltageRegulator.
16/21
L78S00 SERIES
Figure High Input Output Voltage. Figure Reducing Power Dissipation with Dropping Resistor.
Vi(min) VDROP(max) IO(max) Id(max)
Figure Remote Shuntdown.
Figure Power Modulator (unity voltage gain, 1A).
Note circuit performs well 100KHz.
Figure Adjustable Output Voltage with Temperature Compensation.
Note connected diode order compensat vari temperature. slow rise-t
17/21
L78S00 SERIES
Figure Light Controllers VBE).
falls when light goes Figure Protection against Input Short-circuit with High Capacitance Loads.
rises when light goes
Applications with high capacitance loads output voltage greater than volts need external diode (see fig. protect device against input short circuit. this case input voltage falls rapidly while output voltage decreases showly. capacitance discharges means BaseEmitter junction series pass transistor regulator. energy sufficiently high, transistor destroyed. external diode bypasses current from ground.
18/21
L78S00 SERIES
TO-3 MECHANICAL DATA
MIN. 11.00 0.97 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 TYP. MAX. 13.10 1.15 1.65 8.92 20.00 11.10 17.20 26.00 4.09 39.30 30.30 MIN. 0.433 0.038 0.059 0.327 0.748 0.421 0.649 0.984 0.157 1.515 1.187 inch TYP. MAX. 0.516 0.045 0.065 0.351 0.787 0.437 0.677 1.023 0.161 1.547 1.193
DIM.
P003F
19/21
L78S00 SERIES
TO-220 MECHANICAL DATA
DIM. MIN. DIA. 13.0 2.65 15.2 3.75 0.49 0.61 1.14 1.14 4.95 10.0 16.4 14.0 2.95 15.9 3.85 0.511 0.104 0.598 0.244 0.137 0.147 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 10.40 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.551 0.116 0.625 0.260 0.165 0.151 TYP. MAX. 4.60 1.32 2.72 MIN. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.106 0.409 inch TYP. MAX. 0.181 0.051 0.107
Dia.
20/21
P011C
L78S00 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
21/21
L7900 SERIES
NEGATIVE VOLTAGE REGULATORS
OUTPUT CURRENT 1.5A OUTPUT VOLTAGES 5.2; -18; THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSISTOR PROTECTION
DESCRIPTION L7900 series three-terminal negative regulators available TO-220 TO-3 packages with several output voltages. They provide local on-card regulation, eliminating distribution problems associated with single point regulation; furthermore, having same voltage options L7800 positive standard series, they particularly suited split power supplies. addition, -5.2V also available system. adeguate heatsinking provided, L7900 series deliver output current excess 1.5A. Although designed primarly fixed voltage regulators, these devices used with external components obtain adjustable voltages currents.
TO-3
TO-220
ISOWATT220
SCHEMATIC DIAGRAM
January 1993
1/12
L7900 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Input Voltage (for 18V) (for 24V) Output Current Total Power Dissipation Operating Junction Temperature Storage Temperature Value Internally limited Internally limited Unit
THERMAL DATA
TO-3 Rthj-case Thermal Resistance Junction-Case Rthj-amb Thermal Resistance Junction-Ambient TO-220 ISOWATT220
CONNECTION DIAGRAM ORDERING NUMBERS (top views)
TYPE L7905C L7952C L7906C L7908C L7912C L7915C L7918C L7920C L7922C L7924C
TO-3 L7905CT L7952CT L7906CT L7908CT L7912CT L7915CT L7918CT L7920CT L7922CT L7924CT
TO-220 L7905CV L7952CV L7906CV L7908CV L7912CV L7915CV L7918CV L7920CV L7922CV L7924CV
ISOWATT220 L7905CP L7906CP L7908CP L7912CP L7915CP L7918CP L7920CP L7924CP
OUTPUT VOLTAGE -5.2
APPLICATION CIRCUIT
2/12
L7900 SERIES
ELECTRICAL CHARACTERISTICS L7905C (refer test circuits, -10V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions
Min. -4.8 -4.75
Typ.
Max. -5.2 -5.25
Unit mV/oC
1500 1000
-0.4
10Hz 100KHz
ELECTRICAL CHARACTERISTICS L7952C (refer test circuits, -10V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions
Min. -5.0 -4.95
Typ. -5.2 -5.2
Max. -5.4 -5.45
Unit mV/oC
1500 1000
-0.5
10Hz 100KHz
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
3/12
L7900 SERIES
ELECTRICAL CHARACTERISTICS L7906C (refer test circuits, -11V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions -9.5 -21.5 -8.5 1500 1000 -9.5 10Hz 100KHz
Min. -5.75 -5.7
Typ.
Max. -6.25 -6.3
Unit mV/oC
-0.6
ELECTRICAL CHARACTERISTICS L7908C (refer test circuits, -14V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions -11.5
Min. -7.7 -7.6
Typ.
Max. -8.3 -8.4
Unit mV/oC
-10.5 1500 1000 -11.5 10Hz 100KHz
-0.6
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
4/12
L7900 SERIES
ELECTRICAL CHARACTERISTICS L7912C (refer test circuits, -19V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions -15.5
Min. -11.5 -11.4
Typ.
Max. -12.5 -12.6
Unit mV/oC
-14.5 1500 1000 10Hz 100KHz -0.8
ELECTRICAL CHARACTERISTICS L7915C (refer test circuits, -23V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions -18.5
Min. -14.4 -14.3
Typ.
Max. -15.6 -15.7
Unit mV/oC
-17.5 1500 1000 -18.5 10Hz 100KHz
-0.9
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
5/12
L7900 SERIES
ELECTRICAL CHARACTERISTICS L7918C (refer test circuits, -27V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions 1500 1000 10Hz 100KHz
Min. -17.3 -17.1
Typ.
Max. -18.7 -18.9
Unit mV/oC
ELECTRICAL CHARACTERISTICS L7920C (refer test circuits, -29V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions 1500 1000 10Hz 100KHz
Min. -19.2
Typ.
Max. -20.8
Unit mV/oC
-1.1
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
6/12
L7900 SERIES
ELECTRICAL CHARACTERISTICS L7922C (refer test circuits, -31V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions 1500 1000 10Hz 100KHz
Min. -21.1 -20.9
Typ.
Max. -22.9 -23.1
Unit mV/oC
-1.1
ELECTRICAL CHARACTERISTICS L7924C (refer test circuits, -33V, unless otherwise specified)
Symbol Iscp Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Voltage Drift Output Noise Voltage Supply Voltage Rejection Dropout Voltage Short Circuit Current Short Circuit Peak Current
Test Conditions 1500 1000 10Hz 100KHz
Min. -22.8
Typ.
Max. -25.2
Unit mV/oC
Load line regulation specified constant junction temperature. Changes heating effects must taken into account separately. Pulce testing with duty cycle used.
7/12
L7900 SERIES
APPLICATION INFORMATION Figure Fixed Output Regulator. Figure Split Power Supply 15V/1A).
Notes
specify output voltage, substitute voltage value "XX". Required stability. value given, capacitor must solid tantalum. aluminium electrolitics used, least times value should selected. required regulator located appreciable distance from power supply filter. improve transient response. large capacitors used, high current diode from input output (1N4001 similar) should introduced protect device from momentary input short circuit.
Against potential latch-up problems.
Figure Circuit Increasing Output Voltage.
Figure High Current Negative Regulator 5V/4A with current limiting).
Optional improved transient response ripple rejection.
Figure Typical System Power Supply 5.2V/4A).
Optional dropping resistor reduce power dissipated boost transistor.
8/12
L7900 SERIES
TO-3 MECHANICAL DATA
MIN. 11.00 0.97 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 TYP. MAX. 13.10 1.15 1.65 8.92 20.00 11.10 17.20 26.00 4.09 39.30 30.30 MIN. 0.433 0.038 0.059 0.327 0.748 0.421 0.649 0.984 0.157 1.515 1.187 inch TYP. MAX. 0.516 0.045 0.065 0.351 0.787 0.437 0.677 1.023 0.161 1.547 1.193
DIM.
P003F
9/12
L7900 SERIES
TO-220 MECHANICAL DATA
DIM. MIN. DIA. 13.0 2.65 15.2 3.75 0.49 0.61 1.14 1.14 4.95 10.0 16.4 14.0 2.95 15.9 3.85 0.511 0.104 0.598 0.244 0.137 0.147 4.40 1.23 2.40 1.27 0.70 0.88 1.70 1.70 5.15 10.40 0.019 0.024 0.044 0.044 0.194 0.094 0.393 0.645 0.551 0.116 0.625 0.260 0.165 0.151 TYP. MAX. 4.60 1.32 2.72 MIN. 0.173 0.048 0.094 0.050 0.027 0.034 0.067 0.067 0.203 0.106 0.409 inch TYP. MAX. 0.181 0.051 0.107
Dia.
10/12
P011C
L7900 SERIES
ISOWATT220 MECHANICAL DATA
DIM. MIN. 28.6 15.9 0.75 1.15 1.15 4.95 30.6 10.6 16.4 1.126 0.385 0.626 0.354 0.118 TYP. MAX. 2.75 10.4 MIN. 0.173 0.098 0.098 0.015 0.030 0.045 0.045 0.195 0.094 0.393 0.630 1.204 0.417 0.645 3.66 0.126 inch TYP. MAX. 0.181 0.106 0.108 0.027 0.039 0.067 0.067 0.204 0.106 0.409
P011G
11/12
L7900 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized ascritical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
12/12
L79L00 SERIES
NEGATIVE VOLTAGE REGULATORS
OUTPUT CURRENT OUTPUT VOLTAGES -12; -15V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION EXTERNAL COMPONENTS REQUIRED AVAILABLE EITHER (AC) SELECTION
DESCRIPTION L79L00 series three-terminal negative regulators employ internal current limiting thermal shutdown, making them essentially indestructible. adequate heatsink provided, they deliver output current. They intended fixed voltage regulators wide range applications including local on-card regulation elimination noise distribution problems associated with single-point regulation. addition, they used with power pass elements make high-current voltage regulators. L79L00 series used Zener diode/resistor combination replacement, offers effective output impedance improvement typically orders magnetude, along with lower quiescent current lower noise. SCHEMATIC DIAGRAM
SO-8
TO-92
April 1994
1/12
L79L00 SERIES
ABSOLUTE MAXIMUM RATINGS
Symbol Ptot Tstg Input Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range L79L00C, L79L00AC L79L00AB Parameter Value Internally limited
Unit
SO-8 package used Voltage Regulators modified internally have pins electrically commoned attach flag. This particular frame decreases total thermal resistance package increases ability dissipate power when appropriate area copper printed circuit board available heatsinking. external dimensions same standard SO-8
TEST CIRCUITS
2/12
L79L00 SERIES
CONNECTION DIAGRAM ORDERING NUMBERS (top view)
BOTTOM VIEW
SO-8 TO-92
ORDERING NUMBERS
Type L79L05C L79L05AC L79L05AB L79L06C L79L06AC L79L06AB L79L08C L79L08AC L79L08AB L79L09C L79L09AC L79L09AB L79L12C L79L12AC L79L12AB L79L15C L79L15AC L79L15AB SO-8 L79L05CD L79L05ACD L79L05ABD L79L06CD L79L06ACD L79L06ABD L79L08CD L79L08ACD L79L08ABD L79L09CD L79L09ACD L79L09ABD L79L12CD L79L12ACD L79L12ABD L79L15CD L79L15ACD L79L15ABD TO-92 L79L05CZ L79L05ACZ L79L05ABZ L79L06CZ L79L06ACZ L79L06ABZ L79L08CZ L79L08ACZ L79L08ABZ L79L09CZ L79L09ACZ L79L09ABZ L79L12CZ L79L12ACZ L79L12ABZ L79L15CZ L79L15ACZ L79L15ABZ Output Voltage
3/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L05 (refer test circuits, -10V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. -4.6 -4.5 -4.5
Typ.
Max. -5.4 -5.5 -5.5
Unit
ELECTRICAL CHARACTERISTICS L79L06 (refer test circuits, -12V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -8.5
Test Conditions
Min. -5.52 -5.4 -5.4
Typ.
Max. -6.48 -6.6 -6.6
Unit
-8.5 10Hz 100KHz
4/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L08 (refer test circuits, -14V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -10.5 10Hz 100KHz
Test Conditions -10.5
Min. -7.36 -7.2 -7.2
Typ.
Max. -8.64 -8.8 -8.8
Unit
ELECTRICAL CHARACTERISTICS L79L09 (refer test circuits, -15V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -11.5
Test Conditions
Min. -8.28 -8.1 -8.1
Typ.
Max. -9.72 -9.9 -9.9
Unit
-11.5 10Hz 100KHz
5/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L12 (refer test circuits, -19V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -14.5 Test Conditions Min. -11.1 -10.8 -10.8 Typ. Max. -12.9 -13.2 -13.2
Unit
-14.5 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L79L15 (refer test circuits, -23V, 0.33 unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -17.5
Test Conditions
Min. -13.8 -13.5 -13.5
Typ.
Max. -16.2 -16.5 -16.5
Unit
-17.5 10Hz 100KHz -18.5 -28.5
6/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L05AB L79L05AC (refer test circuits, -10V, 0.33 L78L05AC, L78L05AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage 10Hz 100KHz
Test Conditions
Min. -4.8 -4.75 -4.75
Typ.
Max. -5.2 -5.25 -5.25
Unit
ELECTRICAL CHARACTERISTICS L79L06AB L79L06AC (refer test circuits, -12V, 0.33 L78L06AC, L78L06AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -8.5
Test Conditions
Min. -5.76 -5.7 -5.7
Typ.
Max. -6.24 -6.3 -6.3
Unit
-8.5 10Hz 100KHz
7/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L08AB L79L08AC (refer test circuits, -14V, 0.33 L78L08AC, L78L08AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -10.5 10Hz 100KHz
Test Conditions -10.5
Min. -7.68 -7.6 -7.6
Typ.
Max. -8.32 -8.4 -8.4
Unit
ELECTRICAL CHARACTERISTICS L79L09AB L79L09AC (refer test circuits, -15V, 0.33 L78L09AC, L78L09AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -11.5
Test Conditions
Min. -8.64 -8.55 -8.55
Typ.
Max. -9.36 -9.45 -9.45
Unit
-11.5 10Hz 100KHz
8/12
L79L00 SERIES
ELECTRICAL CHARACTERISTICS L79L12AB L79L12AC (refer test circuits, -19V, 0.33 L78L12AC, L78L12AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -14.5 Test Conditions Min. -11.5 -11.4 -11.4 Typ. Max. -12.5 -12.6 -12.6
Unit
-14.5 10Hz 100KHz
ELECTRICAL CHARACTERISTICS L79L15AB L79L15AC (refer test circuits, -23V, 0.33 L78L15AC, L78L15AB, unless otherwise specified)
Symbol Parameter Output Voltage Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Quiescent Current Change Output Noise Voltage Supply Voltage Rejection Dropout Voltage -17.5
Test Conditions
Min. -14.4 -14.25 -14.25
Typ.
Max. -15.6 -15.75 -15.75
Unit
-17.5 10Hz 100KHz -18.5 -28.5
9/12
L79L00 SERIES
MECHANICAL DATA
DIM. MIN. 1.27 3.81 1.27 (max.) 0.14 0.015 0.65 0.35 0.19 0.25 TYP. MAX. 1.75 0.25 1.65 0.85 0.48 0.25 (typ.) 0.188 0.228 0.050 0.150 0.157 0.050 0.023 0.196 0.244 0.025 0.013 0.007 0.010 0.003 MIN. inch TYP. MAX. 0.068 0.009 0.064 0.033 0.018 0.010 0.019
P013M
10/12
L79L00 SERIES
TO-92 MECHANICAL DATA
DIM. MIN. TYP. MAX. MIN.
inch
TYP.
MAX.
4.58
5.33
0.180
0.210
4.45
0.175
0.204
0.126
0.165
12.7
0.500
1.27
0.050
0.51
0.016
0.020
0.35
0.14
11/12
L79L00 SERIES
Information furnished believed accurate reliable. However, SGS-THOMSON Microelectronics assumes responsability consequences such information infringement patents other rights third parties which results from use. license granted implication otherwise under patent patent rights SGS-THOMSON Microelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. SGS-THOMSON Microelectronics products authorized critical components life support devices systems without express written approval SGS-THOMSON Microelectonics. 1994 SGS-THOMSON Microelectronics Rights Reserved SGS-THOMSON Microelectronics GROUP COMPANIES Australia Brazil France Germany Hong Kong Italy Japan Korea Malaysia Malta Morocco Netherlands Singapore Spain Sweden Switzerland Taiwan Thailand United Kingdom U.S.A
12/12

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