7.5A DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE FIXED THREE TERMI
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KD1083
7.5A DROP POSITIVE VOLTAGE REGULATOR ADJUSTABLE FIXED
THREE TERMINAL ADJUSTABLE FIXED OUTPUT VOLTAGE 1.5V,1.8V, 2.5V, 3.0, 3.3V OUTPUT CURRENT 7.5A 1.4V DROPOUT VOLTAGE FULL LOAD LINE REGULATION: 0.2% OVER FULL TEMPERATURE RANGE LOAD REGULATION: 0.5% OVER FULL TEMPERATURE RANGE OUTPUT CURRENT LIMIT THERMAL SHUTDOWN PROTECTION WITH HYSTERESIS WIDE OPERATING TEMPERATURE RANGE -40°C 125°C PINOUT COMPATIBILITY WITH STANDARD ADJUSTABLE VREG
TO-220
D2PAK
DESCRIPTION KD1083 drop linear voltage regulator, proposed both adjustable fixed version designed applications requiring output currents 7.5A. Dropout voltage guaranteed exceed 1.4V maximum output current while decreases lighter loads. KD1083 also features on-chip output current limit function thermal shutdown protection with hysteresis, preventing from excessive power dissipation case Figure Schematic Diagram
insufficient heatsinking. KD1083 fully compatible with older 3-terminal adjustable regulators, better performances terms drop output voltage precision. chip trimming allows regulator reach very tight output voltage tolerance, within 25°C over full temperature range. Unlike voltage regulators using transistor series pass element which considerable fraction output current wasted quiescent current, LD1083 quiescent current flows almost entirely into load, improving efficiency. Only 10µF minimum capacitor required output stability.
December 2004
Rev.
1/12
KD1083
Table Absolute Maximum RatingSymbol Tstg Input Output Voltage Output Current Power Dissipation Storage Temperature Range Operating Junction Temperature Range Parameter Value from -0.3 Internally Limited Internally Limited +150 +125 Unit
Absolute Maximum Ratings those values beyond which damage device occur. Functional operation under these condition implied.
Table Thermal Data
Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient TO-220 D2PAK 62.5 Unit °C/W °C/W
Figure Connection Diagram (top view)
TO-220 Table Order CodeTO-220 KD1083V15 KD1083V18 KD1083V25 KD1083V30 KD1083V33 KD1083V D2PAK(*) KD1083D2T15 KD1083D2T18 KD1083D2T25 KD1083D2T30 KD1083D2T33 KD1083D2T
D2PAK
OUTPUT VOLTAGE 1.5V 1.8V 2.5V 3.0V 3.3V Adjustable
Available Tape Reel with suffix fixed version "-R" adjustable version.
Figure Typical Application Circuit
VREF
2/12
KD1083
Table Electrical Characteristics KD1083 (VIN=3V, =10µF, 125°C, unless otherwise specified.)
Symbol VREF Parameter Reference Voltage Test Conditions IO=10mA, (VIN-VO) 25°C 0.01 7.5A, (VIN-VO) 5.75V (note1) IO=10mA, (VIN-VO) 5.75V (VIN-VO)=3V, 10mA 7.5A VO=2%, IO=7.5A (VIN-VO) 5.75V (VIN-VO) 5.75V 10mA 7.5A 10mA 7.5A, (VIN-VO) 5.75V 7.5A, (VIN-VO)=3V, VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO) Min. 1.237 1.225 Typ. 1.25 1.25 0.015 1.05 0.003 Max. 1.262 1.275 Unit
VREF VREF IO(min) IADJ IADJ TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Minimum Load Current Adjust Current Adjust Current Change Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
Table Electrical Characteristics KD1083#15 (VIN=3.25V, =10µF, 125°C, unless otherwise specified.)
Symbol Parameter Output Voltage Test Conditions IO=10mA, (VIN-VO)=3V, 25°C 7.5A, (VIN-VO) 5.5V (note1) IO=10mA, (VIN-VO) 5.5V (VIN-VO)=3V, 7.5A VO=2%, IO=7.5A (VIN-VO) 5.5V (VIN-VO) 5.5V, IO=0A 7.5A, (VIN-VO) VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO)=3V 58.6 Min. 1.485 1.47 Typ. 0.015 1.05 73.4 0.003 Max. 1.515 1.53 Unit
TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Quiescent Current Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
3/12
KD1083
Table Electrical Characteristics KD1083#18(VIN=3.5V, =10µF, 125°C, unless otherwise specified.)
Symbol Parameter Output Voltage Test Conditions IO=10mA, (VIN-VO)=3V, 25°C 7.5A, (VIN-VO) 5.2V (note1) IO=10mA, (VIN-VO) 5.2V (VIN-VO)=3V, 7.5A VO=2%, IO=7.5A (VIN-VO) 5.2V (VIN-VO) 5.2V, IO=0A 7.5A, (VIN-VO) VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO)=3V Min. 1.782 1.764 Typ. 0.015 1.05 71.8 0.003 Max. 1.818 1.836 Unit
TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Quiescent Current Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
Table Electrical Characteristics KD1083#25 (VIN=4.25V, =10µF, 125°C, unless otherwise specified.)
Symbol Parameter Output Voltage Test Conditions IO=10mA, (VIN-VO)=3V, 25°C 7.5A, (VIN-VO) 4.5V (note IO=10mA, (VIN-VO) 4.5V (VIN-VO)=3V, 7.5A VO=2%, IO=7.5A (VIN-VO) 4.5V (VIN-VO) 4.5V, IO=0A 7.5A, (VIN-VO) VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO)=3V 54.1 Min. 2.475 2.45 Typ. 0.015 1.05 68.9 0.003 Max. 2.525 2.55 Unit
TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Quiescent Current Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
4/12
KD1083
Table Electrical Characteristics KD1083#30 (VIN=4.75V, =10µF, 125°C, unless otherwise specified.)
Symbol Parameter Output Voltage Test Conditions IO=10mA, (VIN-VO)=3V, 25°C 7.5A, (VIN-VO) (note IO=10mA, (VIN-VO) (VIN-VO)=3V, 7.5A VO=2%, IO=7.5A (VIN-VO) (VIN-VO) IO=0A 7.5A, (VIN-VO) VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO)=3V 52.5 Min. 2.97 2.94 Typ. 0.015 1.05 67.3 0.003 Max. 3.03 3.06 Unit
TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Quiescent Current Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
Table Electrical Characteristics KD1083#33 (VIN=5.0V, =10µF, 125°C, unless otherwise specified.)
Symbol Parameter Output Voltage Test Conditions IO=10mA, (VIN-VO)=3V, 25°C 7.5A, (VIN-VO) 3.7V (note IO=10mA, (VIN-VO) 3.7V (VIN-VO)=3V, 7.5A VO=2%, IO=7.5A (VIN-VO) 3.7V (VIN-VO) 3.7V, IO=0A 7.5A, (VIN-VO) VPP=1V 25°C, =10Hz 10kHz, IO=10mA, (VIN-VO)=3V 51.7 Min. 3.267 3.234 Typ. 0.015 1.05 66.5 0.003 Max. 3.333 3.366 Unit
TSHDN THYST
Line Regulation Load Regulation Dropout Voltage Short Circuit Current Quiescent Current Supply Voltage Rejection Output Noise Voltage Thermal Shutdown Threshold Thermal Shutdown Hysteresi
NOTE short-circuit current curve available output current fixed dropout.
5/12
KD1083
TYPICAL CHARACTERISTICS (CI=CO=10µF(tantalum), unless otherwise specified) Figure Reference Voltage Temperature Figure Line Regulation Temperature
Figure Reference Voltage Temperature
Figure Load Regulation Temperature
Figure Reference Voltage Temperature
Figure Dropout Voltage Temperature
6/12
KD1083
Figure Dropout Voltage Temperature Figure Minimum Load Current Temperature
Figure Adjust Current Temperature
Figure Dropout Voltage Output Current
Figure Quiescent Current Temperature
Figure Supply Voltage Rejection Output Current
7/12
KD1083
Figure Short Circuit Current Dropout Voltage Figure Line Transient
VO=10V
VIN=from 12V, O=100mA, 1µF(tantalum), CO=10µF(tantalum)
Figure Supply Voltage Rejection Temperature
Figure Load Transient
VO=10V
VI=12 O=from 0.1A 7.5A, 10µF(tantalum), CO=10µF(tantalum)
Figure Line Transient
Figure Load Transient
VO=10V VO=10V
VIN=from 13V, O=100mA, 1µF(tantalum), CO=10µF(tantalum)
VI=12 O=from 7.5A 0.1A, 10µF(tantalum), CO=10µF(tantalum)
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KD1083
D2PAK MECHANICAL DATA
DIM. MIN. 4.88 1.27 5.28 15.85 1.75 0.192 0.590 0.050 0.055 0.094 0.016 2.49 0.03 1.14 0.45 1.23 8.95 10.4 0.393 0.335 0.208 0.624 0.055 0.068 0.126 MAX. 2.69 0.23 0.93 1.36 9.35 MIN. 0.173 0.098 0.001 0.027 0.044 0.017 0.048 0.352 0.315 0.409 TYP. MAX. 0.181 0.106 0.009 0.036 0.067 0.023 0.053 0.368 inch
P011P6G
9/12
KD1083
TO-220 MECHANICAL DATA
DIM. DIA. 13.0 2.65 15.25 3.75 0.49 0.61 1.14 1.14 4.95 10.0 16.4 14.0 2.95 15.75 3.93 3.85 0.511 0.104 0.600 0.244 0.137 0.147 MIN. 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 0.620 0.260 0.154 0.151 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
P011C
10/12
KD1083
Table Revision History
Date 16-Dec-2004 Revision Maturity Change. Description Change
11/12
KD1083
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12/12
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