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LT1761ES5-SD#TRPBF
Public Made by Adomby adom
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLT1761ES5-SD#TRPBF
Analog Devices · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TSOT-23-5
LT1761ES5-SD#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; a 1µF to 10µF bypass capacitor is needed if the device is more than six inches from the main input filter capacitor, and the pin withstands reverse voltage (rated ±20V) with no reverse current flow. |
| 2 | GND | power_in | Ground. |
| 3 | SHDN | input | Shutdown input that turns the output off when pulled low; it can be driven by 5V logic or open-collector logic with a pull-up resistor, must be tied to VIN if unused, and the device will not function if it is left unconnected. |
| 4 | ADJ | input | Error amplifier input of the adjustable device, regulated to 1.22V referenced to ground (output range 1.22V to 20V), internally clamped to ±7V, with a 30nA bias current flowing into the pin. |
| 5 | OUT | power_out | Regulated output that supplies the load; a minimum output capacitor of 1µF is required 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 | |||
| ADJ Pin Voltage | -7 | 7 | V | 2 | |||
| SHDN Pin Voltage | -20 | 20 | V | 2 | |||
| Operating Junction Temperature Range | -40 | 125 | °C | E grade (Note 2) | 2 | ||
| Storage Temperature Range | -65 | 150 | °C | 2 | |||
| Lead Temperature (Soldering) | 300 | °C | Soldering, 10 sec | 2 | |||
| Maximum Junction Temperature (TJMAX) | TJMAX | 150 | °C | As printed on S5 package drawing; text specifies 125°C max for continuous operation | 2 | ||
| Junction-to-Ambient Thermal Resistance | θJA | 250 | °C/W | As printed on S5 package drawing | 2 | ||
| Thermal Resistance (junction-to-ambient), topside copper 2500mm2 | 125 | °C/W | Topside copper 2500mm2, backside 2500mm2, board 2500mm2; 3/32in FR-4, still air | 17 | |||
| Thermal Resistance (junction-to-ambient), topside copper 1000mm2 | 125 | °C/W | Topside copper 1000mm2, backside 2500mm2, board 2500mm2; 3/32in FR-4, still air | 17 | |||
| Thermal Resistance (junction-to-ambient), topside copper 225mm2 | 130 | °C/W | Topside copper 225mm2, backside 2500mm2, board 2500mm2; 3/32in FR-4, still air | 17 | |||
| Thermal Resistance (junction-to-ambient), topside copper 100mm2 | 135 | °C/W | Topside copper 100mm2, backside 2500mm2, board 2500mm2; 3/32in FR-4, still air | 17 | |||
| Thermal Resistance (junction-to-ambient), topside copper 50mm2 | 150 | °C/W | Topside copper 50mm2, backside 2500mm2, board 2500mm2; 3/32in FR-4, still air | 17 | |||
| Minimum Input Voltage | 1.8 | 2.3 | V | ILOAD = 100mA; full operating temperature range (l) | 4 | ||
| Regulated Output Voltage (ADJ-tied, 1.22V) | 1.205 | 1.22 | 1.235 | V | VIN = 2V, ILOAD = 1mA; full temp range (l) | 4 | |
| Regulated Output Voltage (ADJ-tied, 1.22V) | 1.19 | 1.22 | 1.25 | V | 2.3V < VIN < 20V, 1mA < ILOAD < 50mA; full temp range (l) | 4 | |
| Regulated Output Voltage (ADJ-tied, 1.22V) | 1.17 | 1.22 | 1.26 | V | 2.3V < VIN < 20V, 1mA < ILOAD < 100mA; full temp range (l) | 4 | |
| Line Regulation | 1 | 10 | mV | ΔVIN = 2V to 20V, ILOAD = 1mA; full temp range (l) | 4 | ||
| Dropout Voltage | 0.1 | 0.15 | V | VIN = VOUT(NOMINAL), ILOAD = 1mA | 5 | ||
| Dropout Voltage | 0.17 | 0.22 | V | VIN = VOUT(NOMINAL), ILOAD = 10mA | 5 | ||
| Dropout Voltage | 0.24 | 0.28 | V | VIN = VOUT(NOMINAL), ILOAD = 50mA | 5 | ||
| Dropout Voltage | 0.3 | 0.35 | V | VIN = VOUT(NOMINAL), ILOAD = 100mA | 5 | ||
| Dropout Voltage (full temp range) | 0.19 | V | VIN = VOUT(NOMINAL), ILOAD = 1mA; full temp range (l) | 5 | |||
| Dropout Voltage (full temp range) | 0.29 | V | VIN = VOUT(NOMINAL), ILOAD = 10mA; full temp range (l) | 5 | |||
| Dropout Voltage (full temp range) | 0.38 | V | VIN = VOUT(NOMINAL), ILOAD = 50mA; full temp range (l) | 5 | |||
| Dropout Voltage | 0.45 | V | VIN = VOUT(NOMINAL), ILOAD = 100mA | 5 | |||
| GND Pin Current | 20 | 45 | μA | VIN = VOUT(NOMINAL), ILOAD = 0mA; full temp range (l) | 6 | ||
| GND Pin Current | 55 | 100 | μA | VIN = VOUT(NOMINAL), ILOAD = 1mA; full temp range (l) | 6 | ||
| GND Pin Current | 230 | 400 | μA | VIN = VOUT(NOMINAL), ILOAD = 10mA; full temp range (l) | 6 | ||
| GND Pin Current | 1 | 2 | mA | VIN = VOUT(NOMINAL), ILOAD = 50mA; full temp range (l) | 6 | ||
| GND Pin Current | 2.2 | 4 | mA | VIN = VOUT(NOMINAL), ILOAD = 100mA; full temp range (l) | 6 | ||
| Output Voltage Noise | 20 | μVRMS | COUT = 10μF, CBYP = 0.01μF, ILOAD = 100mA, BW = 10Hz to 100kHz | 6 | |||
| ADJ Pin Bias Current | 30 | 100 | nA | 6 | |||
| SHDN Pin Current | 0 | 0.5 | μA | VSHDN = 0V; full temp range (l) | 6 | ||
| SHDN Pin Current | 1 | 3 | μA | VSHDN = 20V; full temp range (l) | 6 | ||
| Shutdown Threshold (Off to On) | 0.25 | 0.8 | V | VOUT = Off to On; full temp range (l) | 6 | ||
| Shutdown Threshold (On to Off) | 0.65 | 2 | V | VOUT = On to Off; full temp range (l) | 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 | 200 | mA | VIN = 7V, VOUT = 0V | 6 | |||
| Current Limit | 110 | mA | VIN = VOUT(NOMINAL) + 1V or 2.3V (Note 12), ΔVOUT = -5%; full temp range (l) | 6 | |||
| Input Reverse Leakage Current | 1 | mA | VIN = -20V, VOUT = 0V; full temp range (l) | 6 | |||
| Reverse Output Current | 5 | 10 | μA | VOUT = 1.22V, VIN < 1.22V (Note 10) | 6 | ||
| Input Voltage Range (operating) | VIN | 1.8 | 20 | V | Wide input voltage range, per datasheet description | 1 |
CAD (KiCad official)
- Symbol:
LT1761ES5-SD#TRPBF - Footprint:
Package_TO_SOT_SMD:TSOT-23-5 - 3D model: TSOT-23-5 (KiCad packages3D, STEP)
- 3D model files:
lt1761es5-sd-trpbf-etched.step/lt1761es5-sd-trpbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt1761es5-sd-trpbf.step/lt1761es5-sd-trpbf.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).