component

LM1117DT-3.3

Public Made by Adom

by adom

Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)lm1117dt-3.3factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs lm1117dt-3-3: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… · Ray 25d ago
viewers lm1117dt-3-3: viewers · Ray 1mo ago
lm1117dt-3-3-etched.fit.json lm1117dt-3-3: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
lm1117dt-3-3-etched.glb lm1117dt-3-3: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… · Ray 25d ago
lm1117dt-3-3-etched.step lm1117dt-3-3: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… · Ray 25d ago
lm1117dt-3-3.glb Publish 0.1.0 · Ray 1mo ago
lm1117dt-3-3.kicad_mod Publish 0.1.0 · Ray 1mo ago
lm1117dt-3-3.kicad_sym Publish 0.1.0 · Ray 1mo ago
lm1117dt-3-3.lbr Publish 0.1.0 · Ray 1mo ago
lm1117dt-3-3.step Publish 0.1.0 · Ray 1mo ago
package.json lm1117dt-3-3: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… · Ray 25d ago
page.json lm1117dt-3-3: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain S… · Ray 25d ago
README.md Initial commit: component/lm1117dt-3-3 · Ray 1mo ago

LM1117DT-3.3

Texas Instruments · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-252

LM1117DT-3.3 from Texas Instruments, in a TO-252. 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 ADJ/GND power_in Ground reference connection for fixed-output versions of the regulator.
2 VOUT power_out Regulated 3.3V output voltage pin with ±2% tolerance (3.235V to 3.365V) over 0°C to 125°C; includes thermal pad (TAB) for PCB heat dissipation.
3 VIN power_in Unregulated input supply pin operating from 4.75V to 15V with minimum 1.2V dropout voltage above VOUT for proper regulation.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TO-252
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: LM1117DT-3.3
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: TO-252 (KiCad packages3D, STEP)
  • 3D model files: lm1117dt-3-3-etched.step / lm1117dt-3-3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm1117dt-3-3.step / lm1117dt-3-3.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (46 pp, sha256 31d9f40cc0e59cbe, retrieved 2026-09-24, 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