component
LM2576SX-5.0-JSM
Public Made by Adomby adom
JSMSEMI DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLM2576SX-5.0-JSM
JSMSEMI · DC-DC Converters · TO-263-5
LM2576SX-5.0-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 to the switching regulator; absolute maximum 45 V, 4 V to 40 V operating input range per the features list. |
| 2 | OUTPUT | output | Switch output of the regulator that drives the external inductor and catch diode; output to common is limited to -1 V steady state. |
| 3 | COMMON | power_in | Common (ground) pin of the regulator; the package tab is also connected to COMMON. |
| 4 | FEEDBACK | input | Feedback sense input to the error amplifier, connected to the output for fixed options or to the R1/R2 divider for the adjustable option (Vo = 1.23 (1 + R1/R2)). |
| 5 | ON/OFF | input | Active-low enable input that shuts the regulator down when high; the pin voltage must stay between -0.3 V and VIN, with VIH min 2.2 V and VIL max 1.0 V. |
| 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:
LM2576SX-5.0-JSM - Footprint:
Package_TO_SOT_SMD:TO-263-5_TabPin6 - 3D model: TO-263-5 (KiCad packages3D, STEP)
- 3D model files:
lm2576sx-5-0-jsm-etched.step/lm2576sx-5-0-jsm-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2576sx-5-0-jsm.step/lm2576sx-5-0-jsm.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JSMSEMI datasheet (12 pp, sha256
f4e598e0081d5190, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(vision), consensusclaude-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).