DESCRIPTIO Wide Input Voltage Range: Quiescent Current: 30µA Drop
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LT3010/LT3010-5 50mA, Dropout Micropower Linear Regulator
DESCRIPTIO
Wide Input Voltage Range: Quiescent Current: 30µA Dropout Voltage: 300mV Output Current: 50mA Thermally Enhanced 8-Lead MSOP Package Protection Diodes Needed Fixed Output Voltage: (LT3010-5) Adjustable Output from 1.275V (LT3010) Quiescent Current Shutdown Stable with Output Capacitor Stable with Aluminum, Tantalum Ceramic Capacitors Reverse-Battery Protection Reverse Current Flow from Output Thermal Limiting
LT®3010 high voltage, micropower dropout linear regulator. device capable supplying 50mA output current with dropout voltage 300mV. Designed battery-powered high voltage systems, quiescent current (30µA operating shutdown) makes LT3010 ideal choice. Quiescent current also well controlled dropout. Other features LT3010 include ability operate with very small output capacitors. regulators stable with only output while most older devices require between 10µF 100µF stability. Small ceramic capacitors used without necessary addition common with other regulators. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting reverse current protection. device available fixed output voltage adjustable device with 1.275V reference voltage. LT3010 regulator available 8-lead MSOP package with exposed enhanced thermal handling capability.
registered trademarks Linear Technology Corporation.
APPLICATIO
Current High Voltage Regulators Regulator Battery-Powered Systems Telecom Applications Automotive Applications
TYPICAL APPLICATIO
Supply with Shutdown
5.4V SHDN SENSE
3010 TA01
LT3010-5
VOUT 50mA
DROPOUT VOLTAGE (mV)
3010 TA02
VSHDN (PIN OUTPUT <0.3V >2.0V
Dropout Voltage
OUTPUT CURRENT (mA)
3010f
LT3010/LT3010-5
ABSOLUTE
(Note
RATI
PACKAGE/ORDER ATIO
VIEW SENSE/ADJ* SHDN
Voltage ±80V Voltage ±60V Differential Voltage ±80V Voltage SHDN Input Voltage ±80V Output Short-Circuit Duration Indefinite Storage Temperature Range -65°C 150°C Operating Junction Temperature Range (Notes -40°C 125°C Lead Temperature (Soldering, sec). 300°C
ORDER PART NUMBER LT3010EMS8E LT3010EMS8E-5 PART MARKING LTZF LTAEF
MS8E PACKAGE 8-LEAD PLASTIC MSOP *SENSE LT3010-5, LT3010 TJMAX 125°C, 40°C/ 16°C/ APPLICATIONS INFORMATION SECTION. EXPOSED (MUST SOLDERED PCB) MEASURED BOTTOM
Consult Marketing parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
denotes specifications which apply over full operating temperature range, otherwise specifications 25°C.
PARAMETER Minimum Input Voltage Regulated Output Voltage (Note Voltage (Notes 2,3) Line Regulation Load Regulation CONDITIONS LT3010 LT3010-5 LT3010 LT3010-5 LT3010 (Note LT3010-5 LT3010 (Note Dropout Voltage VOUT(NOMINAL) (Notes ILOAD ILOAD ILOAD 10mA ILOAD 10mA ILOAD 50mA ILOAD 50mA Current VOUT(NOMINAL) (Notes Output Voltage Noise Bias Current Shutdown Threshold SHDN Current (Note Quiescent Current Shutdown ILOAD ILOAD ILOAD 10mA ILOAD 50mA COUT 10µF, ILOAD 50mA, 10Hz 100kHz (Note VOUT VOUT VSHDN VSHDN VSHDN ILOAD 50mA 5.5V, ILOAD 80V, ILOAD 50mA ILOAD 80V, ILOAD 50mA 5.5V 80V, ILOAD 80V, ILOAD ILOAD 50mA ILOAD 50mA ILOAD 50mA ILOAD 50mA
4.925 4.850 1.258 1.237
5.000 5.000 1.275 1.275
5.075 5.150 1.292 1.313
UNITS µVRMS
3010f
LT3010/LT3010-5
ELECTRICAL CHARACTERISTICS
denotes specifications which apply over full operating temperature range, otherwise specifications 25°C.
PARAMETER Ripple Rejection Current Limit CONDITIONS LT3010 LT3010-5 7V(Avg), VRIPPLE 0.5VP-P, fRIPPLE 120Hz, ILOAD 50mA 7V(Avg), VRIPPLE 0.5VP-P, fRIPPLE 120Hz, ILOAD 50mA UNITS
VOUT LT3010-5 VOUT -0.1V LT3010 (Note VOUT -0.1V -80V, VOUT LT3010-5 LT3010 (Note VOUT VOUT 1.275V, 1.275V
Input Reverse Leakage Current Reverse Output Current (Note
Note Absolute Maximum Ratings those values beyond which life device impaired. Note LT3010 (adjustable version) tested specified these conditions with connected pin. Note Operating conditions limited maximum junction temperature. regulated output voltage specification will apply possible combinations input voltage output current. When operating maximum input voltage, output current range must limited. When operating maximum output current, input voltage range must limited. Note satisfy requirements minimum input voltage, LT3010 (adjustable version) tested specified these conditions with external resistor divider (249k bottom, 392k top) output voltage 3.3V. external resistor divider will load output. Note Dropout voltage minimum input output voltage differential needed maintain regulation specified output current. dropout, output voltage will equal (VIN VDROPOUT).
Note current tested with VOUT (nominal) current source load. This means device tested while operating dropout region. This worst-case current. current will decrease slightly higher input voltages. Note bias current flows into pin. Note SHDN current flows SHDN pin. Note Reverse output current tested with grounded forced rated output voltage. This current flows into pin. Note LT3010E guaranteed meet performance specifications from 125°C operating junction temperature. Specifications over -40°C 125°C operating junction temperature range assured design, characterization correlation with statistical process controls. Note This includes overtemperature protection that intended protect device during momentary overload conditions. Junction temperature will exceed 125°C when overtemperature protection active. Continuous operation above specified maximum operating junction temperature impair device reliability.
TYPICAL PERFOR CHARACTERISTICS
Typical Dropout Voltage
DROPOUT VOLTAGE (mV)
DROPOUT VOLTAGE (mV)
DROPOUT VOLTAGE (mV)
25°C 125°C
OUTPUT CURRENT (mA)
3010
Guaranteed Dropout Voltage
TEST POINTS
Dropout Voltage
10mA 50mA
125°C 25°C
OUTPUT CURRENT (mA)
3010
TEMPERATURE (°C)
3010
3010f
LT3010/LT3010-5 TYPICAL PERFOR CHARACTERISTICS
Quiescent Current
QUIESCENT CURRENT (µA)
VOLTAGE
VSHDN TEMPERATURE (°C) (LT3010-5) 250k, (LT3010)
1.280 1.275 1.270 1.265 1.260 1.255 TEMPERATURE (°C)
OUTPUT VOLTAGE
VSHDN
LT3010 Quiescent Current
25°C VSHDN
QUIESCENT CURRENT (µA)
QUIESCENT CURRENT (µA)
CURRENT (mA)
VSHDN INPUT VOLTAGE
LT3010-5 Current
25°C *FOR VOUT
CURRENT (mA)
CURRENT (mA)
50mA* 25mA* 10mA* 1mA* INPUT VOLTAGE
SHDN THRESHOLD
3010
3010 3010
LT3010 Voltage
1.295 1.290 1.285 5.08 5.06 5.04 5.02 5.00 4.98 4.96 4.94
LT3010-5 Output Voltage
4.92
TEMPERATURE (°C)
3010
3010
LT3010-5 Quiescent Current
25°C VSHDN VSHDN INPUT VOLTAGE
LT3010 Current
25°C *FOR VOUT 1.275V 25.5 50mA* 25mA*
10mA* 1.27k 1mA* INPUT VOLTAGE
3010
3010
Current ILOAD
VOUT(NOMINAL) 25°C OUTPUT CURRENT (mA)
3010
SHDN Threshold
OFF-TO-ON TEMPERATURE (°C) ON-TO-OFF
3010
3010f
LT3010/LT3010-5 TYPICAL PERFOR CHARACTERISTICS
SHDN Current
25°C CURRENT FLOWS SHDN
BIAS CURRENT (nA)
SHDN CURRENT (µA)
SHDN CURRENT (µA)
SHDN VOLTAGE
Current Limit
CURRENT LIMIT (mA)
REVERSE OUTPUT CURRENT (µA)
VOUT 25°C
CURRENT LIMIT (mA)
INPUT VOLTAGE
Reverse Output Current
REVERSE OUTPUT CURRENT (µA)
VOUT VADJ 1.275V (LT3010) VOUT VSENSE (LT3010-5)
RIPPLE REJECTION (dB)
RIPPLE REJECTION (dB)
LT3010-5 TEMPERATURE (°C) LT3010
3010
3010 3010
SHDN Current
VSHDN CURRENT FLOWS SHDN TEMPERATURE (°C)
Bias Current
TEMPERATURE (°C)
3010
3010
Current Limit
VOUT
Reverse Output Current
25°C CURRENT FLOWS INTO OUTPUT VOUT VADJ (LT3010) VOUT VSENSE (LT3010-5)
TEMPERATURE (°C)
CLAMP (SEE APPLICATIONS INFORMATION)
LT3010 OUTPUT VOLTAGE LT3010-5
3010
3010
Input Ripple Rejection
0.5VP-P RIPPLE 120Hz 50mA VOUT 1.275V TEMPERATURE (°C)
Input Ripple Rejection
50mVRMS RIPPLE 50mA
COUT 10µF
COUT
FREQUENCY (Hz)
100k
3010
3010
3010f
LT3010/LT3010-5 TYPICAL PERFOR CHARACTERISTICS
LT3010 Minimum Input Voltage
ILOAD 50mA LT3010
LOAD REGULATION (mV)
50mA
OUTPUT NOISE SPECTRAL DENSITY (µV/Hz)
MINIMUM INPUT VOLTAGE
TEMPERATURE (°C)
LT3010-5 10Hz 100kHz Output Noise
OUTPUT VOLTAGE DEVIATION
-0.1 -0.2
VOUT 100µV/DIV
LOAD CURRENT (mA)
COUT 50mA
3010
Load Regulation
Output Noise Spectral Density
COUT 50mA
LT3010-5 TEMPERATURE (°C)
0.01 FREQUENCY (Hz) 100k
3010
3010
LT3010-5 Transient Response
CERAMIC COUT CERAMIC ILOAD 50mA
1ms/DIV
3010
TIME (µs)
1000
3010
3010f
LT3010/LT3010-5
CTIO
(Pin Output. output supplies power load. minimum output capacitor required prevent oscillations. Larger output capacitors will required applications with large transient loads limit peak voltage transients. Applications Information section more information output capacitance reverse output characteristics. SENSE (Pin Sense. LT3010-5, SENSE input error amplifier. Optimum regulation will obtained point where SENSE connected regulator. critical applications, small voltage drops caused resistance (RP) traces between regulator load. These eliminated connecting SENSE output load shown Figure (Kelvin Sense Connection). Note that voltage drop across external traces will dropout voltage regulator. SENSE bias current 10µA nominal rated output voltage. (Pin Adjust. adjustable LT3010, this input error amplifier. This internally clamped ±7V. bias current 50nA which flows into (see curve Bias Current Temperature
LT3010 SHDN SENSE
3010
Figure Kelvin Sense Connection
Typical Performance Characteristics). voltage 1.275V referenced ground, output voltage range 1.275V 60V. (Pin Tab): Ground. exposed backside package electrical connection GND. such, ensure optimum device operation, exposed must connected directly board. SHDN (Pin Shutdown. SHDN used LT3010 into power shutdown state. output will when SHDN pulled low. SHDN driven either logic open-collector logic with pull-up resistor. pull-up resistor only required supply pull-up current open-collector gate, normally several microamperes. unused, SHDN left open circuit. device will active, output SHDN connected. (Pin Input. Power supplied device through pin. bypass capacitor required this device more than inches away from main input filter capacitor. general, output impedance battery rises with frequency, advisable include bypass capacitor battery-powered circuits. bypass capacitor range 10µF sufficient. LT3010 designed withstand reverse voltages with respect ground pin. case reversed input, which happen battery plugged backwards, LT3010 will there diode series with input. There will reverse current flow into LT3010 reverse voltage will appear load. device will protect both itself load.
LOAD
3010f
LT3010/LT3010-5
APPLICATIO ATIO
LT3010 50mA high voltage dropout regulator with micropower quiescent current shutdown. device capable supplying 50mA dropout voltage 300mV. operating quiescent current (30µA) drops shutdown. addition quiescent current, LT3010 incorporates several protection features which make ideal battery-powered systems. device protected against both reverse input reverse output voltages. battery backup applications where output held backup battery when input pulled ground, LT3010 acts like diode series with output prevents reverse current flow. Adjustable Operation adjustable version LT3010 output voltage range 1.275V 60V. output voltage ratio external resistors shown Figure device servos output maintain voltage adjust 1.275V referenced ground. current then equal 1.275V/R1 current current plus bias current. bias current, 50nA 25°C, flows through into pin. output voltage calculated using formula Figure value should less than 250k minimize errors output voltage caused bias current. Note that shutdown output turned divider current will zero.
VOUT 1.275V (IADJ)(R2) VADJ 1.275V IADJ 50nA 25°C OUTPUT RANGE 1.275V
Figure Adjustable Operation
small capacitor (C1) placed parallel with resistor (R2) output divider necessary stability transient performance adjustable LT3010. impedance 10kHz should less than value adjustable device tested specified with tied load (unless otherwise specified) output voltage 1.275V. Specifications output voltages greater than 1.275V will proportional ratio desired output voltage 1.275V; (VOUT/1.275V). example, load regulation output current change 50mA -10mV typical VOUT 1.275V. VOUT 12V, load regulation (12V/1.275V) (-10mV) -94mV Output Capacitance Transient Response LT3010 designed stable with wide range output capacitors. output capacitor affects stability, most notably with small capacitors. minimum output capacitor with less recommended prevent oscillations. LT3010 micropower device output transient response will function output capacitance. Larger values output capacitance decrease peak deviations provide improved transient response larger load current changes. Bypass capacitors, used decouple individual components powered LT3010, will increase effective output capacitor value.
LT3010
3010
VOUT
3010f
LT3010/LT3010-5
APPLICATIO ATIO
Extra consideration must given ceramic capacitors. Ceramic capacitors manufactured with variety dielectrics, each with different behavior across temperature applied voltage. most common dielectrics used Z5U, Y5V, X7R. dielectrics good providing high capacitances small package, exhibit strong voltage temperature coefficients shown Figures When used with regulator, 10µF capacitor exhibit effective value over operating temperature range. dielectrics result more stable characteristics more suitable output capacitor. type better stability across temperature, while less expensive available higher values. Voltage temperature coefficients only sources problems. Some ceramic capacitors have piezoelectric response. piezoelectric device generates voltage across terminals mechanical stress,
BOTH CAPACITORS 16V, 1210 CASE SIZE, 10µF
CHANGE VALUE
CHANGE VALUE
-100
BIAS VOLTAGE
3010
Figure Ceramic Capacitor Bias Characterics
similar piezoelectric accelerometer microphone works. ceramic capacitor stress induced vibrations system thermal transients. Thermal Considerations power handling capability device will limited maximum rated junction temperature (125°C). power dissipated device will made components: Output current multiplied input/output voltage differential: IOUT (VIN VOUT) and, current multiplied input voltage: IGND VIN. current found examining Current curves Typical Performance Characteristics. Power dissipation will equal components listed above.
BOTH CAPACITORS 16V, 1210 CASE SIZE, 10µF -100 TEMPERATURE (°C)
3010
Figure Ceramic Capacitor Temperature Characterics
3010f
LT3010/LT3010-5
APPLICATIO ATIO
LT3010 series regulators have internal thermal limiting designed protect device during overload conditions. continuous normal conditions maximum junction temperature rating 125°C must exceeded. important give careful consideration sources thermal resistance from junction ambient. Additional heat sources mounted nearby must also considered. surface mount devices, heat sinking accomplished using heat spreading capabilities board copper traces. Copper board stiffeners plated through-holes also used spread heat generated power devices. following table lists thermal resistance several different board sizes copper areas. measurements were taken still 3/32" FR-4 board with ounce copper.
Table Measured Thermal Resistance
COPPER AREA TOPSIDE 2500 1000 BACKSIDE 2500 2500 2500 2500 BOARD AREA 2500 2500 2500 2500 THERMAL RESISTANCE (JUNCTION-TO-AMBIENT) 40°C/W 45°C/W 50°C/W 62°C/W
thermal resistance junction-to-case (JC), measured exposed back die, 16°C/W. Continuous operation large input/output voltage differentials maximum load current practical thermal limitations. Transient operation high input/ output differentials possible. approximate thermal time constant 2500sq 3/32" FR-4 board with
maximum topside backside area ounce copper seconds. This time constant will increase more thermal mass added (i.e. vias, larger board, other components). application with transient high power peaks, average power dissipation used junction temperature calculations long pulse period significantly less than thermal time constant device board. Calculating Junction Temperature Example Given output voltage input voltage range 30V, output current range 50mA, maximum ambient temperature 50°C, what will maximum junction temperature power dissipated device will equal IOUT(MAX) (VIN(MAX) VOUT) (IGND VIN(MAX)) where: IOUT(MAX) 50mA VIN(MAX) IGND (IOUT 50mA, 30V) 50mA (30V (1mA 30V) 1.28W thermal resistance will range 40°C/W 62°C/W depending copper area. junction temperature rise above ambient will approximately equal 1.31W 50°C/W 65.5°C
3010f
LT3010/LT3010-5
APPLICATIO ATIO
maximum junction temperature will then equal maximum junction temperature rise above ambient plus maximum ambient temperature TJMAX 50°C 65.5°C 115.5°C Example Given output voltage input voltage that rises 5ms(max) every 100ms, load that steps 50mA 50ms every 250ms, what junction temperature rise above ambient? Using 500ms period (well under time constant board), power dissipation follows: P1(48V load) (48V (200µA 48V) 0.23W P2(48V 50mA load) 50mA (48V (1mA 48V) 2.20W P3(72V load) (72V (200µA 72V) 0.35W P4(72V 50mA load) 50mA (72V (1mA 72V) 3.42W Operation different power levels follows: operation PEFF 76%(0.23W) 19%(2.20W) 4%(0.35W) 1%(3.42W) 0.64W With thermal resistance range 40°C/W 62°C/W, this translates junction temperature rise above ambient 26°C 38°C.
Protection Features LT3010 incorporates several protection features which make ideal battery-powered circuits. addition normal protection features associated with monolithic regulators, such current limiting thermal limiting, device protected against reverse-input voltages, reverse voltages from output input. Current limit protection thermal overload protection intended protect device against current overload conditions output device. normal operation, junction temperature should exceed 125°C. input device will withstand reverse voltages 80V. Current flow into device will limited less than (typically less than 100µA) negative voltage will appear output. device will protect both itself load. This provides protection against batteries which plugged backward. adjustable device pulled above below ground much without damaging device. input left open circuit grounded, will like open circuit when pulled below ground, like large resistor (typically 100k) series with diode when pulled above ground. input powered voltage source, pulling below reference voltage will cause device force current limit current output. This will cause output unregulated high voltage. Pulling above reference voltage will turn output current.
3010f
LT3010/LT3010-5
APPLICATIO ATIO
situations where connected resistor divider that would pull above clamp voltage output pulled high, input current must limited less than 5mA. example, resistor divider used provide regulated 1.5V output from 1.22V reference when output forced 60V. resistor resistor divider must chosen limit current into less than when difference between pins divided maximum current into yields minimum resistor value 10.6k. circuits where backup battery required, several different input/output conditions occur. output voltage held while input either pulled ground, pulled some intermediate voltage, left
REVERSE OUTPUT CURRENT (µA)
25°C CURRENT FLOWS INTO OUTPUT VOUT VADJ (LT3010) VOUT VSENSE (LT3010-5) LT3010-5 LT3010
Figure Reverse Output Current
open circuit. Current flow back into output will follow curve shown Figure rise reverse output current above occurs from breakdown clamp pin. With resistor divider regulator output, this current will reduced depending size resistor divider. When LT3010 forced below pulled above pin, input current will typically drop less than 2µA. This happen input LT3010 connected discharged (low voltage) battery output held either backup battery second regulator circuit. state SHDN will have effect reverse output current when output pulled above input.
CLAMP (SEE ABOVE) OUTPUT VOLTAGE
3010
3010f
LT3010/LT3010-5
TYPICAL APPLICATIO
Buck Converter with Current Keep Alive Backup
D1N914 5.5V* BOOST 4.7µF 100V CERAMIC LT1766 SHDN SYNC BIAS 15.4k 4.99k 0.33µF
OPERATING CURRENT HIGH
EFFICIENCY
15µH
10MQ060N
VOUT 1A/50mA
100µF SOLID TANTALUM
LT3010-5 SHDN
SENSE
INPUT VOLTAGES BELOW 7.5V, SOME RESTRICTIONS APPLY INCREASE 30µH LOAD CURRENTS ABOVE 0.6A 60µH ABOVE
3010 TA03
Buck Converter Efficiency Load Current
VOUT 68µH
0.25
0.75 1.00 0.50 LOAD CURRENT
1.25
3010 TA04
3010f
LT3010/LT3010-5
TYPICAL APPLICATIO
LT3010 Automotive Application
PROTECTION DIODE NEEDED! LT3010-5 SHDN SENSE LOAD: CLOCK, SECURITY SYSTEM
(LATER 42V)
LT3010 Telecom Application
(72V TRANSIENT)
LT3010-5 SHDN
PROTECTION DIODE NEEDED! LOAD: SYSTEM MONITOR
SENSE
BACKUP BATTERY
3010 TA05
Constant Brightness Indicator over Wide Input Voltage Range
RETURN
LT3010
SHDN
RSET
3010 TA06
-48V ILED 1.275V/RSET -48V VARY FROM -80V
3010f
LT3010/LT3010-5
PACKAGE DESCRIPTIO
MS8E Package 8-Lead Plastic MSOP
(Reference 05-08-1662)
BOTTOM VIEW EXPOSED OPTION 2.794 0.102 (.110 .004) 0.889 0.127 (.035 .005) 2.06 0.102 (.080 .004) 1.83 0.102 (.072 .004) 2.083 0.102 3.45 (.082 .004) (.126 .136) 0.42 0.04 (.0165 .0015) 0.65 (.0256) 3.00 0.102 (.118 .004) (NOTE 0.52 (.206) DETAIL 4.90 0.15 (1.93 .006) 3.00 0.102 (.118 .004) NOTE 0.53 0.015 (.021 .006) DETAIL 0.18 (.077) SEATING PLANE 0.22 0.38 (.009 .015) 0.13 0.076 (.005 .003)
MSOP (MS8E) 0802
5.23 (.206)
RECOMMENDED SOLDER LAYOUT
0.254 (.010) GAUGE PLANE
1.10 (.043)
0.86 (.034)
NOTE: DIMENSIONS MILLIMETER/(INCH) DRAWING SCALE DIMENSION DOES INCLUDE MOLD FLASH, PROTRUSIONS GATE BURRS. MOLD FLASH, PROTRUSIONS GATE BURRS SHALL EXCEED 0.152mm (.006") SIDE DIMENSION DOES INCLUDE INTERLEAD FLASH PROTRUSIONS. INTERLEAD FLASH PROTRUSIONS SHALL EXCEED 0.152mm (.006") SIDE LEAD COPLANARITY (BOTTOM LEADS AFTER FORMING) SHALL 0.102mm (.004")
0.65 (.0256)
3010f
Information furnished Linear Technology Corporation believed accurate reliable. However, responsibility assumed use. Linear Technology Corporation makes representation that interconnection circuits described herein will infringe existing patent rights.
LT3010/LT3010-5 RELATED PARTS
PART NUMBER LT1020 DESCRIPTION 125mA, Micropower Regulator Comparator COMMENTS VIN: 4.5V 36V, VOUT 2.5V, 0.4V, 40µA, 40µA, Comparator Reference, Class Outputs, S16, PDIP14 Packages VIN: 4.5V 36V, VOUT 2.5V, 0.4V, 40µA, 10µA, Comparator Reference,Logic Shutdown, Sources Sinks 2/4mA, Packages VIN: 4.2V 30/36V, VOUT 3.75V, 0.42V, 30µA, 16µA, Reverse Battery Protection, SOT-223, Packages VIN: 4.2V 30V, VOUT 3.75V, 0.4V, 50µA, 16µA, S0T-223, S8,TO220-5, TSSOP20 Packages VIN: 3.6V 25V, VOUT 1.25V, 1.9mA, <1µA, ThinSOT Package VIN: 7.4V 60V, VOUT 1.24V, 3.2mA, 2.5µA, Package VIN: 1.8V 20V, VOUT 1.22V, 0.3V, 20µA, <1µA, Noise 20µVRMS P-P, Stable with Ceramic Capacitors, ThinSOT Package VIN: 1.8V 20V, VOUT 1.22V, 0.3V, 25µA, <1µA, Noise 20µVRMS P-P, Package VIN: 1.8V 20V, VOUT 1.22V, 0.3V, 30µA, <1µA, Noise 20µVRMS P-P, Package VIN: 2.7V 20V, VOUT 1.21V, 0.34V, 1mA, <1µA, Noise 40µVRMS P-P, Version Stable with Ceramic Capacitors, TO220-5 Packages VIN: 5.5V 60V, VOUT 1.20V, 2.5mA, 25µA, TSSOP16/E Package VIN: 7.4V 40V, VOUT 1.24V, 3.2mA, 30µA, Packages Efficiency, VIN: 3.2V 34V, VOUT 1.25V, 14µA, <1µA, ThinSOT Package VIN: 5.5V 60V, VOUT 1.20V, 2.5mA, 25µA, TSSOP16/E Package VIN: 1.8V 20V, VOUT 1.22V, 0.27V, 30µA, <1µA, Noise 20µVRMS P-P, Package VIN: 2.1V 20V, VOUT 1.21V, 0.34V, 1mA, <1µA, Noise 40µVRMS P-P, Version Stable with Ceramic Capacitors, TO220-5, S0T-223, Packages VIN: -0.9V -20V, VOUT -1.21V, 0.34V, 30µA, 3µA, Noise 30µVRMS P-P, Stable with Ceramic Capacitors, ThinSOT Package
LT1120/LT1120A 125mA, Micropower Regulator Comparator
LT1121/ LT1121HV LT1129 LT1616 LT1676 LT1761 LT1762 LT1763
150mA, Micropower, 700mA, Micropower, 25V, 500mA (IOUT), 1.4MHz, High Efficiency Step-Down DC/DC Converter 60V, 440mA (IOUT), 100kHz, High Efficiency Step-Down DC/DC Converter 100mA, Noise Micropower, 150mA, Noise Micropower, 500mA, Noise Micropower,
LT1764/LT1764A Noise, Fast Transient Response,
LT1766 LT1776 LT1934/ LT1934-1 LT1956 LT1962
60V, 1.2A (IOUT), 200kHz, High Efficiency Step-Down DC/DC Converter 40V, 550mA (IOUT), 200kHz, High Efficiency Step-Down DC/DC Converter 300mA/60mA, (IOUT), Constant Off-Time, High Efficiency Step-Down DC/DC Converter 60V, 1.2A (IOUT), 500kHz, High Efficiency Step-Down DC/DC Converter 300mA, Noise Micropower,
LT1963/LT1963A 1.5A, Noise, Fast Transient Response,
LT1964
200mA, Noise Micropower, Negative
3010f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, 95035-7417
(408) 432-1900 FAX: (408) 434-0507
LT/TP 0403 PRINTED
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2003
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