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Contents

README

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LP2951-30DRGR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · WSON-8-EP(3x3)

LP2951-30DRGR from Texas Instruments, in a WSON-8-EP(3x3). 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 OUTPUT power_out Regulated output voltage; requires minimum 1µF capacitor to GND for stability, nominal 1µF-100µF ceramic recommended.
2 SENSE input Output voltage sense input; connects to OUTPUT for fixed output when FEEDBACK connects to VTAP, must remain open for adjustable output.
3 SHUTDOWN input High-level-active shutdown control input; enables device below 0.7V, disables above 2V.
4 GND power_in Ground, reference potential.
5 ERROR output Open-drain active-low fault output; asserts low when VOUT drops 6% below nominal value.
6 VTAP input Voltage tap for fixed output option; connects to FEEDBACK for fixed output, must remain open for adjustable output.
7 FEEDBACK input Feedback input for output voltage regulation; connects to VTAP for fixed output (with OUTPUT to SENSE) or to external resistor divider for adjustable output.
8 INPUT power_in Input power supply pin VIN 2V-30V; minimum 1µF capacitor to GND recommended for stability.
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package WSON-8-EP(3x3)
Category Power Management (PMIC)
Pins 9

CAD (KiCad official)

  • Symbol: LP2951-30DRGR
  • Footprint: Package_SON:WSON-8-1EP_3x3mm_P0.5mm_EP1.6x2.0mm
  • 3D model: WSON-8-EP(3x3) (KiCad packages3D, STEP)
  • 3D model files: lp2951-30drgr-etched.step / lp2951-30drgr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lp2951-30drgr.step / lp2951-30drgr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (48 pp, sha256 d245e8d4bbb0ca93, retrieved 2026-10-03, 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-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