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Contents

README

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TPS73801DCQR

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223-6

TPS73801DCQR from Texas Instruments, in a SOT-223-6. 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 IN power_in Power supply input; withstands reverse voltages up to ±20 V; 1-10 µF bypass capacitor recommended if more than six inches from main input filter.
2 OUT power_out Regulated power output (1.21 V to 20 V); minimum 10 µF ceramic output capacitor required to prevent oscillations.
3 GND power_in Ground reference.
4 FB input Feedback input to error amplifier; internally clamped to ±7 V with 3 μA bias current flowing into pin; maintains 1.21 V reference voltage for 1.21-20 V output range.
5 EN input Enable control input; pulling low puts device in low-power shutdown state; can be driven by 5-V logic or open-collector gate with typical current 3 μA; must be tied to IN pin if unused.
6 GND power_in Ground reference.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-223-6
Category Power Management (PMIC)
Pins 6

CAD (KiCad official)

  • Symbol: TPS73801DCQR
  • Footprint: Package_TO_SOT_SMD:SOT-223-6
  • 3D model: SOT-223-6 (KiCad packages3D, STEP)
  • 3D model files: tps73801dcqr-etched.step / tps73801dcqr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tps73801dcqr.step / tps73801dcqr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 d23a3d05c84bd1a5, retrieved 2026-09-23, 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