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LP3964EMPX-2.5

Public Made by Adom

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Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LP3964EMPX-2.5

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-5

LP3964EMPX-2.5 from Texas Instruments, in a SOT-223-5. 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 SD input Shutdown logic input (active high); must be pulled high through 10-kΩ resistor for normal operation per typical application circuit.
2 IN input Input supply voltage, operating range 2.5 V to 7 V minimum.
3 GND power_in Ground reference; typical ground pin current is 4 mA at 800 mA load current.
4 OUT output Regulated output voltage, maximum 0.8 A DC output current, ±1.5% accuracy at room temperature, typical ultra-low dropout of 240 mV at 800 mA load.
5 SENSE/AD input Remote sense input for voltage feedback at remote loads or output voltage adjust input for adjustable output voltage versions.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223-5
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: LP3964EMPX-2.5
  • Footprint: Package_TO_SOT_SMD:SOT-223-5
  • 3D model: SOT-223-5, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 1.45 mm nominal SOT height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: lp3964empx-2-5-etched.step / lp3964empx-2-5-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp3964empx-2-5.step / lp3964empx-2-5.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 84dbca76243c9a35, retrieved 2026-10-07, 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