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LM2575SX-ADJ-JSM

Public Made by Adom

by adom

JSMSEMI DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LM2575SX-ADJ-JSM

JSMSEMI · DC-DC Converters · TO-263-5

LM2575SX-ADJ-JSM from JSMSEMI, in a TO-263-5. 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 VIN power_in Unregulated input supply pin; absolute maximum 45 V, rated input range 4 V to 40 V.
2 OUTPUT output Switching output of the internal power transistor, connected to the inductor and catch diode.
3 COMMON power_in Common (ground) pin of the regulator; the tab is also common.
4 FEEDBACK input Feedback input that senses the output voltage through the R1/R2 divider (1.23 V reference) for the adjustable version.
5 ON/OFF input Active-low shutdown pin; 0 V = on, 5 V = off, with allowed voltage -0.3 V to VIN.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer JSMSEMI
Package TO-263-5
Category Power Management (PMIC)
Pins 6

CAD (KiCad official)

  • Symbol: LM2575SX-ADJ-JSM
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: lm2575sx-adj-jsm-etched.step / lm2575sx-adj-jsm-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2575sx-adj-jsm.step / lm2575sx-adj-jsm.glb are the bare package body.

Provenance

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

  • Datasheet: JSMSEMI datasheet (12 pp, sha256 f4e598e0081d5190, retrieved 2026-10-23, 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