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REG101NA-5

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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)reg101na-5factory-2.0.0extractor-text
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REG101NA-5

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

REG101NA-5 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, specified over 1.8V to 10V with VIN at least VOUT + 0.4V for regulation and an absolute maximum of 12V.
2 GND power_in Ground reference pin for the regulator.
3 Enable input Output is enabled when VENABLE is at least 1.8V (up to VIN) and disabled when VENABLE is 0.5V or below, with an absolute maximum range of -0.3V to VIN.
4 NR/Adjust passive On the REG101-A this is the voltage-setting resistor pin; on all other models it is the noise-reduction capacitor pin (CNR = 0.01µF in the test conditions), with an absolute maximum of 6.0V.
5 VOUT power_out Regulated output, which requires no output capacitor for stability; the REG101-5 version regulates to 5.0V.

Key specifications

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

CAD (KiCad official)

  • Symbol: REG101NA-5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: reg101na-5-etched.step / reg101na-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); reg101na-5.step / reg101na-5.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (25 pp, sha256 4b1eaa2d39ccb308, retrieved 2026-10-11, 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