component
LM2595S-3.3RG
Public Made by Adomby adom
HANSCHIP semiconductor DC-DC Converters, TO-263-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482
{
"schema_version": 1,
"type": "component",
"slug": "lm2595s-3-3rg",
"title": "LM2595S-3.3RG",
"brief": "HANSCHIP semiconductor DC-DC Converters, TO-263-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"lm2595s-3.3rg",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM2595S-3.3RG",
"manufacturer": "HANSCHIP semiconductor",
"package": "TO-263-5L",
"pin_count": 6,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757726605630148608",
"parts": {
"symbol": "lm2595s-3-3rg.kicad_sym",
"footprint": "lm2595s-3-3rg.kicad_mod",
"model_3d": "lm2595s-3-3rg-hero.glb",
"model_3d_plain": "lm2595s-3-3rg-etched.glb",
"model_3d_step": "lm2595s-3-3rg-etched.step",
"model_3d_step_plain": "lm2595s-3-3rg.step",
"lbr": "lm2595s-3-3rg.lbr"
},
"distributor_links": {
"lcsc": "C5145316"
},
"distributor_check": {
"checked_at": "2026-10-18T09:38:02Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "OUTPUT",
"type": "output",
"description": "Power switch output pin that forms the switching node supplying the output load; the negative voltage at this pin must stay above the internal parasitic diode turn-on voltage, so Schottky diodes with Vf below 0.5V are recommended."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Supply input that requires a DC supply in the 4.5V to 40V range, with a large-value capacitor between VIN and GND to suppress supply noise."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground pin that should be connected on the layout to the ground path outside the Schottky diode output point so that switching current spikes do not add noise to the supply."
},
{
"number": "4",
"name": "FEEDBACK",
"type": "input",
"description": "Voltage feedback pin that monitors the output through an external resistor divider and regulates it, with a feedback threshold voltage of 1.23V."
},
{
"number": "5",
"name": "ON_OFF",
"type": "input",
"description": "Enable pin in which a high level (threshold 1.4V) shuts the chip down and a low level (threshold 0.8V) enables it, with the pin defaulting to low when floating."
},
{
"number": "6",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet gives one pin table (pins 1-5) for the LM2595 family and does not print a separate TO-; The pin table lists FEEDBACK as I/O, but its described function is only sensing the output voltage, ; The datasheet pin table is the only pinout source and gives no package-specific pin-number column; t",
"exposed pad 6 added from the footprint"
],
"pages_sent": 12,
"cost_usd": 0.0359,
"at": "2026-10-18T09:36:13"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757726605630148608",
"pages": 12,
"sha256": "a38c73808e083841",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 6,
"described": 6,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lm2595s-3-3rg.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "94c2a3dc1aaad85b6b5193f97d9a7c61b4e28bac25952a1e629557bcf747e246",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm2595s-3-3rg-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
15,
10,
4.42
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3bfecd2da9d67d6a0a8dbc653fd68a40718044fd8b877ebd3a0c78972831fff6",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HANSCHIP semiconductor",
"Package": "TO-263-5L",
"Category": "Power Management (PMIC)",
"Pins": "6"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a38c73808e083841a025fdbcc07d5f03e0b3a7837d05ea6535dc273ea854f761",
"rows": [
{
"name": "Output voltage regulation (LM2595-3.3)",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 3.168,
"typ": 3.3,
"max": 3.432,
"conditions": "VIN=4.75V～40V, ILOAD=0.2A～3A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Standby current",
"symbol": "ISTBY",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 80,
"max": 200,
"conditions": "VON_OFF=5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Quiescent operating current",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 10,
"conditions": "VON_OFF=0V, VFB=VIN",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating frequency",
"symbol": "FOSC",
"kind": "electrical",
"unit": "kHz",
"min": 127,
"typ": 150,
"max": 173,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current limit",
"symbol": "IL",
"kind": "electrical",
"unit": "A",
"min": 3.6,
"typ": 4.8,
"max": 6.9,
"conditions": "VFB=0",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ON_OFF pin threshold voltage, high level (control off)",
"symbol": "VON_OFF",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ON_OFF pin threshold voltage, low level (control on)",
"symbol": "VON_OFF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Switch pin leakage current (high)",
"symbol": "IH",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 5,
"max": 15,
"conditions": "VON_OFF=2.5V(ON)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Switch pin leakage current (low)",
"symbol": "IL",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.2,
"max": 5,
"conditions": "VON_OFF=2.5V(ON)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Saturation voltage",
"symbol": "VCE",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.3,
"max": 1.5,
"conditions": "VFB=0V, LOUT=3A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum duty cycle",
"symbol": "DMAX",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 100,
"conditions": "CFB=0V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal resistance, junction to ambient (no heatsink)",
"symbol": "RJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 50,
"max": null,
"conditions": "No heatsink, TO220/TO263 package",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input supply voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Feedback pin voltage (upper limit printed as VIN)",
"symbol": "VFB",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ON_OFF pin voltage (upper limit printed as VIN)",
"symbol": "VON_OFF",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power output pin voltage (upper limit printed as VIN)",
"symbol": "VOUT PUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating junction temperature (absolute maximum rating)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead soldering temperature",
"symbol": "TLEAD",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 245,
"conditions": "10 s",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ESD capability (human body model)",
"symbol": "ESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "Human body model",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input voltage (recommended)",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 5,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating junction temperature range (recommended)",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm2595s-3.3rg"
],
"discovery_pitch": "LM2595S-3.3RG (HANSCHIP semiconductor) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lm2595s-3-3rg.kicad_sym",
"lm2595s-3-3rg.kicad_mod",
"lm2595s-3-3rg.glb",
"lm2595s-3-3rg.step",
"lm2595s-3-3rg.lbr",
"docs/hero.png",
"docs/lm2595s-3-3rg-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm2595s-3-3rg-hero.glb",
"lm2595s-3-3rg-hero.overlay.json",
"lm2595s-3-3rg-etched.glb"
],
"visibility": {
"public": true
}
}