component

REG102NA-A

Public Made by Adom

by adom

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

componentpower management (pmic)reg102na-afactory-2.0.0extractor-text
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REG102NA-A

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

REG102NA-A from Texas Instruments, in a SOT-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 VIN power_in Supply input; the operating input range is 1.8V to 10V (absolute maximum 12V), and VIN must be at least VOUT + 0.4V (VOUT + 0.6V over temperature) for specified regulation.
2 GND power_in Ground reference pin; typical ground pin current is 600µA at IOUT = 250mA (800µA maximum), and it drops to 0.01µA typical when the output is disabled.
3 Enable input Enable input: a high level of at least 1.8V turns the output on and a low level of 0.5V or less turns it off, with an absolute maximum of -0.3V to VIN.
4 NR/Adjust passive For the REG102-A (adjustable) version this is the voltage-setting resistor pin, with a 1.26V reference and 0.2µA typical (1µA maximum) adjust pin current, and the absolute maximum pin voltage is 6.0V.
5 VOUT power_out Regulated output; the adjustable version is set to 2.5V to 5.5V, and no output capacitor is required for stability.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: REG102NA-A
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: reg102na-a-etched.step / reg102na-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); reg102na-a.step / reg102na-a.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (31 pp, sha256 4ed123459903f8b5, retrieved 2026-10-08, 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