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LT1761ES5-BYP#TRPBF

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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-BYP#TRPBF

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

LT1761ES5-BYP#TRPBF 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 supply pin, accepting 1.8V to 20V and withstanding reverse voltage; a 1μF to 10μF bypass capacitor is needed if the device is more than six inches from the main input filter capacitor.
2 GND power_in Ground.
3 BYP passive Bypass pin, clamped internally to ±0.6V from ground; a capacitor of up to 0.01μF from OUT to this pin lowers output noise to a typical 20μVRMS, and the pin is left unconnected if unused.
4 ADJ input Adjust pin for the adjustable LT1761 and the error amplifier input, internally clamped to ±7V with 30nA bias current, and regulated to 1.22V above ground.
5 OUT power_out Regulated output supplying power to the load, requiring a minimum output capacitor of 1μF to prevent oscillations.

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
IN Pin Voltage -20 20 V 2
OUT Pin Voltage -20 20 V 2
Input to Output Differential Voltage -20 20 V 2
BYP Pin Voltage -0.6 0.6 V 2
Operating Junction Temperature Range (E grade) -40 125 °C E grade, Note 2 2
Storage Temperature Range -65 150 °C 2
Lead Temperature (Soldering) 300 °C 10 sec soldering 2
Maximum Junction Temperature (TJMAX) 150 °C Printed in pin-configuration note 2
Input Voltage Range 1.8 20 V Wide input voltage range (Features) 1
Minimum Input Voltage 1.8 2.3 V ILOAD = 100mA; l: full operating temperature range 4
ADJ Pin Voltage (LT1761 row, 1.22V output reference) 1.205 1.22 1.235 V VIN = 2V, ILOAD = 1mA 4
ADJ Pin Voltage (LT1761 row, 1.22V output reference) 1.19 1.22 1.25 V 2.3V < VIN < 20V, 1mA < ILOAD < 50mA; l 4
ADJ Pin Voltage (LT1761 row, 1.22V output reference) 1.17 1.22 1.26 V 2.3V < VIN < 20V, 1mA < ILOAD < 100mA; l 4
Line Regulation (LT1761 row, Note 3) 1 10 mV ΔVIN = 2V to 20V, ILOAD = 1mA 4
Dropout Voltage 0.1 0.15 V VIN = VOUT(NOMINAL), ILOAD = 1mA 5
Dropout Voltage 0.19 V VIN = VOUT(NOMINAL), ILOAD = 1mA; l: full operating temperature range 5
Dropout Voltage 0.17 0.22 V VIN = VOUT(NOMINAL), ILOAD = 10mA 5
Dropout Voltage 0.29 V VIN = VOUT(NOMINAL), ILOAD = 10mA; l: full operating temperature range 5
Dropout Voltage 0.24 0.28 V VIN = VOUT(NOMINAL), ILOAD = 50mA 5
Dropout Voltage 0.38 V VIN = VOUT(NOMINAL), ILOAD = 50mA; l: full operating temperature range 5
Dropout Voltage 0.3 0.35 V VIN = VOUT(NOMINAL), ILOAD = 100mA 5
Dropout Voltage 0.45 V VIN = VOUT(NOMINAL), ILOAD = 100mA 5
GND Pin Current 20 45 μA VIN = VOUT(NOMINAL), ILOAD = 0mA; l: full operating temperature range 6
GND Pin Current 55 100 μA VIN = VOUT(NOMINAL), ILOAD = 1mA; l: full operating temperature range 6
GND Pin Current 230 400 μA VIN = VOUT(NOMINAL), ILOAD = 10mA; l: full operating temperature range 6
GND Pin Current 1 2 mA VIN = VOUT(NOMINAL), ILOAD = 50mA; l: full operating temperature range 6
GND Pin Current 2.2 4 mA VIN = VOUT(NOMINAL), ILOAD = 100mA; l: full operating temperature range 6
Reverse Output Current (LT1761 row, Note 3) 5 10 μA VOUT = 1.22V, VIN < 1.22V 6
Input Reverse Leakage Current 1 mA VIN = -20V, VOUT = 0V; l: full operating temperature range 6
Thermal Resistance Junction-to-Ambient (TSOT-23) θJA 250 °C/W 5-lead TSOT-23 package, printed in pin-configuration note 2
Measured Thermal Resistance, junction-to-ambient 125 °C/W Topside copper 2500mm2, backside 2500mm2, board 2500mm2; still air, 3/32in FR-4 17
Measured Thermal Resistance, junction-to-ambient 130 °C/W Topside copper 225mm2, backside 2500mm2, board 2500mm2; still air, 3/32in FR-4 17
Measured Thermal Resistance, junction-to-ambient 135 °C/W Topside copper 100mm2, backside 2500mm2, board 2500mm2; still air, 3/32in FR-4 17
Measured Thermal Resistance, junction-to-ambient 150 °C/W Topside copper 50mm2, backside 2500mm2, board 2500mm2; still air, 3/32in FR-4 17

CAD (KiCad official)

  • Symbol: LT1761ES5-BYP#TRPBF
  • Footprint: Package_TO_SOT_SMD:TSOT-23-5
  • 3D model: TSOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lt1761es5-byp-trpbf-etched.step / lt1761es5-byp-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1761es5-byp-trpbf.step / lt1761es5-byp-trpbf.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 2026-10-21, 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