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LP3988IMFX-2.5

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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LP3988IMFX-2.5

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

LP3988IMFX-2.5 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 IN power_in Input voltage of the LDO
2 GND power_in Common ground
3 EN input Enable input logic, enable high
4 PG tri_state Power Good flag (output): open-drain output, connected to an external pullup resistor. Active low indicates an output voltage out of tolerance condition.
5 OUT power_out Output voltage of the LDO

Key specifications

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

CAD (KiCad official)

  • Symbol: LP3988IMFX-2.5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp3988imfx-2-5-etched.step / lp3988imfx-2-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp3988imfx-2-5.step / lp3988imfx-2-5.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 0303e638b12d12c6, retrieved 2026-10-03, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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