component
NCV317BD2TR4G
Public Made by Adomby adom
onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-2. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465
{
"schema_version": 1,
"type": "component",
"slug": "ncv317bd2tr4g",
"title": "NCV317BD2TR4G",
"brief": "onsemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-263-2. 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)",
"ncv317bd2tr4g",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "NCV317BD2TR4G",
"manufacturer": "onsemi",
"package": "TO-263-2",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911049857257472",
"parts": {
"symbol": "ncv317bd2tr4g.kicad_sym",
"footprint": "ncv317bd2tr4g.kicad_mod",
"model_3d": "ncv317bd2tr4g-hero.glb",
"model_3d_plain": "ncv317bd2tr4g-etched.glb",
"model_3d_step": "ncv317bd2tr4g-etched.step",
"model_3d_step_plain": "ncv317bd2tr4g.step",
"lbr": "ncv317bd2tr4g.lbr"
},
"distributor_links": {
"lcsc": "C233202",
"digikey": "NCV317BD2TR4GOSTR-ND",
"mouser": "863-NCV317BD2TR4G"
},
"distributor_check": {
"checked_at": "2026-10-19T06:06:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "NCV317BD2TR4GOSTR-ND",
"status": "found"
},
"mouser": {
"pn": "863-NCV317BD2TR4G",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "Adjust",
"type": "input",
"description": "Adjustment terminal that sets the output voltage through the external R1/R2 divider; the adjustment current IAdj is designed to be controlled to less than 100 µA and kept constant."
},
{
"number": "2",
"name": "Vout",
"type": "power_out",
"description": "Regulated output of the 1.5 A adjustable regulator, set between 1.2 V and 37 V; the heatsink surface (tab) is connected to this pin."
},
{
"number": "3",
"name": "Vin",
"type": "power_in",
"description": "Unregulated input; the input-output voltage differential VI−VO must stay within −0.3 to 40 Vdc."
}
],
"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 a pinout for the D2PAK-3 (case 936) and TO-220 packages, and the NCV317BD2TR4G i; The KiCad ERC type for the Adjust pin (1) was not stated in the datasheet. 'input' was chosen becaus"
],
"pages_sent": 12,
"cost_usd": 0.0686,
"at": "2026-10-19T06:05:13"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911049857257472",
"pages": 12,
"sha256": "f03dcb5e9cc06faa",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ncv317bd2tr4g.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": "804a3f76e4182a02567b2429bdc9a585b857158fb8543fccd29c8eb6780e1310",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ncv317bd2tr4g-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": "f810f419aca3e7be3193f41c0ee14fd997f678202d04ea582ed9dc686dd7b8cb",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "TO-263-2",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f03dcb5e9cc06faaa402b30a239bf31bafffe3bb558915bc0812895335cbfa99",
"rows": [
{
"name": "Input-Output Voltage Differential",
"symbol": "VI−VO",
"kind": "absolute_maximum",
"unit": "Vdc",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "Regline",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.01,
"max": 0.04,
"conditions": "TA = +25°C, 3.0 V ≤ VI−VO ≤ 40 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "Regline",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.02,
"max": 0.07,
"conditions": "3.0 V ≤ VI−VO ≤ 40 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Regload",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 5,
"max": 25,
"conditions": "TA = +25°C, 10 mA ≤ IO ≤ Imax, VO ≤ 5.0 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Regload",
"kind": "electrical",
"unit": "% VO",
"min": null,
"typ": 0.1,
"max": 0.5,
"conditions": "TA = +25°C, 10 mA ≤ IO ≤ Imax, VO ≥ 5.0 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Regload",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 20,
"max": 70,
"conditions": "10 mA ≤ IO ≤ Imax, VO ≤ 5.0 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Regload",
"kind": "electrical",
"unit": "% VO",
"min": null,
"typ": 0.3,
"max": 1.5,
"conditions": "10 mA ≤ IO ≤ Imax, VO ≥ 5.0 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Regulation",
"symbol": "Regtherm",
"kind": "thermal",
"unit": "% VO/W",
"min": null,
"typ": 0.03,
"max": 0.07,
"conditions": "TA = +25°C, 20 ms Pulse",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Adjustment Pin Current",
"symbol": "IAdj",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 50,
"max": 100,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Adjustment Pin Current Change",
"symbol": "IAdj",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.2,
"max": 5,
"conditions": "2.5 V ≤ VI−VO ≤ 40 V, 10 mA ≤ IL ≤ Imax, PD ≤ Pmax",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reference Voltage",
"symbol": "Vref",
"kind": "electrical",
"unit": "V",
"min": 1.2,
"typ": 1.25,
"max": 1.3,
"conditions": "3.0 V ≤ VI−VO ≤ 40 V, 10 mA ≤ IO ≤ Imax, PD ≤ Pmax",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Minimum Load Current to Maintain Regulation",
"symbol": "ILmin",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.5,
"max": 10,
"conditions": "VI−VO = 40 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Ripple Rejection, CAdj = 10 µF",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": 65,
"typ": 80,
"max": null,
"conditions": "VO = 10 V, f = 120 Hz, CAdj = 10 µF",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Long-Term Stability",
"symbol": "S",
"kind": "electrical",
"unit": "%/1.0 kHrs.",
"min": null,
"typ": 0.3,
"max": 1,
"conditions": "TJ = Thigh (Note 7), TA = +25°C for Endpoint Measurements",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Temperature Stability",
"symbol": "TS",
"kind": "electrical",
"unit": "% VO",
"min": null,
"typ": 0.7,
"max": null,
"conditions": "Tlow ≤ TJ ≤ Thigh",
"source_page": 2,
"source": "datasheet"
},
{
"name": "RMS Noise",
"symbol": "N",
"kind": "electrical",
"unit": "% VO",
"min": null,
"typ": 0.003,
"max": null,
"conditions": "TA = +25°C, 10 Hz ≤ f ≤ 10 kHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Ripple Rejection, without CAdj",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 66,
"max": null,
"conditions": "VO = 10 V, f = 120 Hz, without CAdj",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Shutdown",
"symbol": "",
"kind": "thermal",
"unit": "°C",
"min": null,
"typ": 180,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Ambient, Case 936 (D2PAK-3)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 70,
"max": null,
"conditions": "Case 936 (D2PAK-3), minimum pad, free air",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Case, Case 936 (D2PAK-3)",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 5,
"max": null,
"conditions": "Case 936 (D2PAK-3)",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ncv317bd2tr4g"
],
"discovery_pitch": "NCV317BD2TR4G (onsemi) 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",
"ncv317bd2tr4g.kicad_sym",
"ncv317bd2tr4g.kicad_mod",
"ncv317bd2tr4g.glb",
"ncv317bd2tr4g.step",
"ncv317bd2tr4g.lbr",
"docs/hero.png",
"docs/ncv317bd2tr4g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ncv317bd2tr4g-hero.glb",
"ncv317bd2tr4g-hero.overlay.json",
"ncv317bd2tr4g-etched.glb"
],
"visibility": {
"public": true
}
}