component

LD1117DTC-R

Public Made by Adom

by adom

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

componentpower management (pmic)ld1117dtc-rfactory-2.0.0extractor-text
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LD1117DTC-R

STMicroelectronics · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · DPAK

LD1117DTC-R from STMicroelectronics, in a DPAK. 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 passive Adjustment pin on the adjustable LD1117 (ground on fixed versions); the adjustable version has a 1.25 V reference between OUT and ADJ, with IADJ 60 µA typ. and 120 µA max.
2 VOUT power_out Regulated output, up to 800 mA; the TAB is connected to VOUT, and a 10 µF minimum output capacitor is needed for stability.
3 VIN power_in Input voltage; the operating input voltage is 15 V max, and the absolute maximum rating is 15 V (18 V when IOUT is below 20 mA).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package DPAK
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: LD1117DTC-R
  • Footprint: Package_TO_SOT_SMD:TO-252-2
  • 3D model: DPAK (KiCad packages3D, STEP)
  • 3D model files: ld1117dtc-r-etched.step / ld1117dtc-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ld1117dtc-r.step / ld1117dtc-r.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (46 pp, sha256 eb9bdaeee6a99a12, retrieved 2026-10-03, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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