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Contents

README

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LP2985AIM5-3.3

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

LP2985AIM5-3.3 from Texas Instruments, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Input supply pin, operating voltage range 2.5V to 16V; use ≥1µF capacitor from this pin to ground.
2 GND power_in Ground reference connection.
3 ON/OFF input Enable pin for the LDO; output is enabled when voltage exceeds high threshold and disabled when below low threshold; tie to VIN if enable function is not used.
4 BYPASS bidirectional Reference bypass pin for low-noise performance; connect external capacitor between this pin and ground to reduce reference voltage noise to 30µVRMS.
5 VOUT power_out Regulated output voltage (3.3V nominal); use ≥2.2µF ceramic capacitor from this pin to ground.

Key specifications

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

CAD (KiCad official)

  • Symbol: LP2985AIM5-3.3
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp2985aim5-3-3-etched.step / lp2985aim5-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp2985aim5-3-3.step / lp2985aim5-3-3.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 2026-09-22, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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