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Contents

README

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LM317LTDTR

XBLW · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

LM317LTDTR from XBLW, in a SOT-89-3. 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 ADJUSTMENT input Output feedback voltage adjustment pin (type I per datasheet).
2 OUTPUT power_out Regulated output voltage, adjustable from 1.25V to 37V at up to 100mA.
3 INPUT power_in Input supply voltage pin.

Key specifications

Parameter Value
Manufacturer XBLW
Package SOT-89-3
Category Power Management (PMIC)
Pins 3

CAD (KiCad official)

  • Symbol: LM317LTDTR
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)
  • 3D model files: lm317ltdtr-etched.step / lm317ltdtr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm317ltdtr.step / lm317ltdtr.glb are the bare package body.

Provenance

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

  • Datasheet: XBLW datasheet (9 pp, sha256 6b0a2bc2442a9ca4, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (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