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LT1761ES5-5#TRMPBF

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Analog Devices Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LT1761ES5-5#TRMPBF

Analog Devices · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSOT-23-5

LT1761ES5-5#TRMPBF from Analog Devices, in a TSOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN power_in Input pin that supplies power to the device; a bypass capacitor of 1µF to 10µF is sufficient, and it is required if the device is more than six inches from the main input filter capacitor.
2 GND power_in Ground pin.
3 SHDN input Shutdown pin for fixed -SD style devices: the output is off when SHDN is pulled low, it can be driven by 5V logic or open-collector logic with a pull-up resistor, and if unused it must be connected to VIN because the device will not function if SHDN is left unconnected.
4 BYP passive Bypass pin clamped internally to ±0.6V (one VBE) from ground; a capacitor from OUT to this pin of at most 0.01µF lowers output noise, and the pin must be left unconnected if not used.
5 OUT power_out Output pin that supplies the load; a minimum output capacitor of 1µF is required to prevent oscillations, with larger values needed for large transient loads.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSOT-23-5
Category Power Management (PMIC)
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Regulated Output Voltage (VIN = 5.5V, ILOAD = 1mA) 4.935 5 5.065 V VIN = 5.5V, ILOAD = 1mA 4
Regulated Output Voltage (1mA to 50mA) 4.9 5 5.1 V 6V < VIN < 20V, 1mA < ILOAD < 50mA 4
Regulated Output Voltage (1mA to 100mA) 4.85 5 5.12 V 6V < VIN < 20V, 1mA < ILOAD < 100mA 4
Line Regulation 1 10 mV ΔVIN = 5.5V to 20V, ILOAD = 1mA 4
Minimum Input Voltage 1.8 2.3 V ILOAD = 100mA, full operating temperature range 4
Dropout Voltage (1mA) 0.1 0.15 V VIN = VOUT(NOMINAL), ILOAD = 1mA 5
Dropout Voltage (1mA, full temperature range) 0.19 V VIN = VOUT(NOMINAL), ILOAD = 1mA, full operating temperature range 5
Dropout Voltage (10mA) 0.17 0.22 V VIN = VOUT(NOMINAL), ILOAD = 10mA 5
Dropout Voltage (10mA, full temperature range) 0.29 V VIN = VOUT(NOMINAL), ILOAD = 10mA, full operating temperature range 5
Dropout Voltage (50mA) 0.24 0.28 V VIN = VOUT(NOMINAL), ILOAD = 50mA 5
Dropout Voltage (50mA, full temperature range) 0.38 V VIN = VOUT(NOMINAL), ILOAD = 50mA, full operating temperature range 5
Dropout Voltage (100mA) 0.3 0.35 V VIN = VOUT(NOMINAL), ILOAD = 100mA 5
Dropout Voltage (100mA, second max value) 0.45 V VIN = VOUT(NOMINAL), ILOAD = 100mA 5
GND Pin Current (0mA) 20 45 μA VIN = VOUT(NOMINAL), ILOAD = 0mA, full operating temperature range 6
GND Pin Current (1mA) 55 100 μA VIN = VOUT(NOMINAL), ILOAD = 1mA, full operating temperature range 6
GND Pin Current (10mA) 230 400 μA VIN = VOUT(NOMINAL), ILOAD = 10mA, full operating temperature range 6
GND Pin Current (50mA) 1 2 mA VIN = VOUT(NOMINAL), ILOAD = 50mA, full operating temperature range 6
GND Pin Current (100mA) 2.2 4 mA VIN = VOUT(NOMINAL), ILOAD = 100mA, full operating temperature range 6
Shutdown Threshold (On to Off) 0.25 0.65 0.8 V VOUT = On to Off, full operating temperature range 6
Shutdown Threshold (Off to On) 2 V VOUT = Off to On, full operating temperature range 6
SHDN Pin Current (VSHDN = 0V) 0 0.5 μA VSHDN = 0V, full operating temperature range 6
SHDN Pin Current (VSHDN = 20V) 1 3 μA VSHDN = 20V, full operating temperature range 6
Quiescent Current in Shutdown 0.01 0.1 μA VIN = 6V, VSHDN = 0V 6
Ripple Rejection 55 65 dB VIN, VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 50mA 6
Current Limit (VOUT = 0V) 200 mA VIN = 7V, VOUT = 0V 6
Current Limit (ΔVOUT = -5%) 110 mA VIN = VOUT(NOMINAL) + 1V or 2.3V (Note 12), ΔVOUT = -5%, full operating temperature range 6
Input Reverse Leakage Current 1 mA VIN = -20V, VOUT = 0V, full operating temperature range 6
Reverse Output Current (LT1761-5) 10 20 μA VOUT = 5V, VIN < 5V 6
IN Pin Voltage -20 20 V 2
OUT Pin Voltage -20 20 V 2
Input to Output Differential Voltage -20 20 V 2
SHDN Pin Voltage -20 20 V 2
Storage Temperature Range -65 150 °C 2
Lead Temperature (Soldering) 300 °C Soldering, 10 sec 2
Operating Junction Temperature Range (E grade) -40 125 °C E grade (Note 2) 2
Maximum Junction Temperature TJMAX 150 °C 2
Junction-to-Ambient Thermal Resistance θJA 250 °C/W 2
Measured Thermal Resistance (junction-to-ambient) θJA 125 °C/W Topside copper 2500mm2, backside copper 2500mm2, board area 2500mm2 17
Measured Thermal Resistance (junction-to-ambient) θJA 130 °C/W Topside copper 225mm2, backside copper 2500mm2, board area 2500mm2 17
Measured Thermal Resistance (junction-to-ambient) θJA 135 °C/W Topside copper 100mm2, backside copper 2500mm2, board area 2500mm2 17
Measured Thermal Resistance (junction-to-ambient) θJA 150 °C/W Topside copper 50mm2, backside copper 2500mm2, board area 2500mm2 17

CAD (KiCad official)

  • Symbol: LT1761ES5-5#TRMPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lt1761es5-5-trmpbf-etched.step / lt1761es5-5-trmpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1761es5-5-trmpbf.step / lt1761es5-5-trmpbf.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (22 pp, sha256 5e4fc36c022415d2, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF