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LP2985IM5-4.5

Public Made by Adom

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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.

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LP2985IM5-4.5

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

LP2985IM5-4.5 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 Input supply pin; a capacitor of 1µF or larger is required from this pin to ground, and the new-chip supply input range is 2.5V to 16V.
2 GND power_in Ground pin; all voltages in the datasheet are referenced to GND.
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 and the new-chip enable voltage range is 0 to 16V.
4 BYPASS bidirectional Noise bypass pin; an external capacitor between BYPASS and ground reduces reference voltage noise, and the new-chip BYPASS pin voltage is limited to -0.3V to 3V.
5 VOUT power_out Regulator output; a capacitor of 2.2µF or larger is required from this pin to ground, and the new-chip output voltage range is 1.2V to 5.0V.

Key specifications

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

CAD (KiCad official)

  • Symbol: LP2985IM5-4.5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: lp2985im5-4-5-etched.step / lp2985im5-4-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp2985im5-4-5.step / lp2985im5-4-5.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