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LP2981IM5X-3.6

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.

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lp2981im5x-3-6-etched.glb lp2981im5x-3-6: factory component page (tier=lcsc) · Ray 1d ago
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README.md Initial commit: component/lp2981im5x-3-6 · Ray 1d ago

LP2981IM5X-3.6

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

LP2981IM5X-3.6 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 IN power_in Input supply pin; connect a capacitor of 1 µF or larger from this pin to ground.
2 GND power_in Common ground (device substrate).
3 ON/OFF input LDO enable pin: driving it high enables the device and driving it low disables it, with thresholds given in the Electrical Characteristics table; tie to VIN if unused.
4 NC unconnected Do not connect: reserved for post-packaging test and VOUT calibration, must be left floating and not tied to any potential or ground.
5 OUT power_out Regulator output; use a capacitor of 2.2 µF or larger from this pin to ground, with effective capacitance at the pin kept above 1 µF.

Key specifications

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

CAD (KiCad official)

  • Symbol: LP2981IM5X-3.6
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp2981im5x-3-6-etched.step / lp2981im5x-3-6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp2981im5x-3-6.step / lp2981im5x-3-6.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (43 pp, sha256 4edc0bbf3eaa25d3, retrieved 2026-10-08, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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