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LP2985AIM5-3.8

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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LP2985AIM5-3.8

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

LP2985AIM5-3.8 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 Input supply pin, with an input range of 2.5 V to 16 V for the new chip (3.1 V to 16 V for the legacy chip), and a capacitor of 1 µF or larger is required from this pin to ground.
2 GND power_in Ground pin; all device voltages are specified with respect to GND.
3 ON/OFF input Enable pin: driving it high enables the LDO and driving it low disables it, with thresholds given in the Electrical Characteristics table, and it must be tied to VIN if unused (enable voltage 0 V to 16 V for the new chip).
4 BYPASS bidirectional Noise bypass pin, where an external capacitor to ground reduces reference voltage noise, and the BYPASS voltage is rated from -0.3 V to 3 V for the new chip.
5 VOUT power_out Regulator output; use a capacitor of 2.2 µF or larger from this pin to ground, with nominal capacitance greater than 2.2 µF and effective capacitance above 1 µF at the pin, and the output is 1.2 V to 5.0 V for the new chip.

Key specifications

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

CAD (KiCad official)

  • Symbol: LP2985AIM5-3.8
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp2985aim5-3-8-etched.step / lp2985aim5-3-8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp2985aim5-3-8.step / lp2985aim5-3-8.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (48 pp, sha256 4ed752a80523dfe4, retrieved 2026-10-10, 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