component
LD2985G-50-AF5-R
Public Made by Adomby adom
UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535
{
"schema_version": 1,
"type": "component",
"slug": "ld2985g-50-af5-r",
"title": "LD2985G-50-AF5-R",
"brief": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. 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)",
"ld2985g-50-af5-r",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LD2985G-50-AF5-R",
"manufacturer": "UTC Unisonic Tech",
"package": "SOT-25",
"pin_count": 5,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920011282128896",
"parts": {
"symbol": "ld2985g-50-af5-r.kicad_sym",
"footprint": "ld2985g-50-af5-r.kicad_mod",
"model_3d": "ld2985g-50-af5-r-hero.glb",
"model_3d_plain": "ld2985g-50-af5-r-etched.glb",
"model_3d_step": "ld2985g-50-af5-r-etched.step",
"model_3d_step_plain": "ld2985g-50-af5-r.step",
"lbr": "ld2985g-50-af5-r.lbr"
},
"distributor_links": {
"lcsc": "C20623837"
},
"distributor_check": {
"checked_at": "2026-10-18T17:00:08Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "IN",
"type": "power_in",
"description": "Input port of the regulator; the DC input voltage absolute maximum is 16 V."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "3",
"name": "INHIBIT",
"type": "input",
"description": "Control input that switches the output on and off; it is not internally pulled up and cannot be left floating, the device is disabled when pulled to GND or to a voltage below 0.18 V, with VIL max 0.15 V and VIH min 2 V."
},
{
"number": "4",
"name": "Bypass",
"type": "passive",
"description": "Bypass pin where a capacitor is connected to GND to improve thermal noise performance; a CBYP of 10 nF reduces output noise to 30 μVrms."
},
{
"number": "5",
"name": "OUT",
"type": "power_out",
"description": "Regulated output port."
}
],
"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 pin configuration graphic is not present in the extracted text; pin numbers and names were taken; The datasheet does not state a pin type explicitly; types were assigned from KiCad ERC conventions b; The MPN is 5.0 V output (xx=50, marking E0) and the datasheet's pinout is common to all voltage vers"
],
"pages_sent": 16,
"cost_usd": 0.0739,
"at": "2026-10-18T16:59:55"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590920011282128896",
"pages": 16,
"sha256": "c884d1a5cff07166",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 5,
"described": 5,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ld2985g-50-af5-r.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ld2985g-50-af5-r-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f6b31b3fae239a9a448683b8ff333adb442fd59af08b8b51dca8da79b8723def",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UTC Unisonic Tech",
"Package": "SOT-25",
"Category": "Power Management (PMIC)",
"Pins": "5"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "c884d1a5cff071660a205e840d19abe4d18af2c23ca56de55e3e5970991beffe",
"rows": [
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5,
"max": 5.1,
"conditions": "VIN=6.0V",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 4.85,
"typ": null,
"max": 5.15,
"conditions": "IOUT=1 ~ 150mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Short Circuit Current",
"symbol": "ISC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 600,
"conditions": "RL=0",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "△VOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 30,
"conditions": "VIN=VOUT+1V ~ 16V, IOUT=1mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 1,
"max": 3,
"conditions": "IOUT=0",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 7,
"max": 10,
"conditions": "IOUT=1mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 40,
"max": 60,
"conditions": "IOUT=10mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 120,
"max": 150,
"conditions": "IOUT=50mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 280,
"max": 350,
"conditions": "IOUT=150mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 80,
"max": 100,
"conditions": "IOUT=0",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 100,
"max": 150,
"conditions": "IOUT=1mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 280,
"max": 330,
"conditions": "IOUT=10mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 1050,
"max": 1300,
"conditions": "IOUT=50mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 2900,
"max": 3300,
"conditions": "IOUT=150mA",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Control Input Logic Low",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.15,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Control Input Logic High",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Control Input Current",
"symbol": "IINH",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 5,
"max": 30,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Control Input Current",
"symbol": "IINH",
"kind": "electrical",
"unit": "μA",
"min": -1,
"typ": 0,
"max": null,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Operating Input Voltage",
"symbol": "VI(OPR)",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 12,
"source": "datasheet"
},
{
"name": "OFF MODE quiescent current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "VINH<0.18V",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Output Noise Voltage",
"symbol": "eN",
"kind": "electrical",
"unit": "μV",
"min": null,
"typ": null,
"max": 30,
"conditions": "B=300Hz ~ 50KHz, CBYP=0.01μF, CO=10μF",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Supply Voltage Rejection",
"symbol": "SVR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 45,
"max": null,
"conditions": "CBYP=0.01μF, CO=10μF, f=1KHz",
"source_page": 12,
"source": "datasheet"
},
{
"name": "DC Input Voltage",
"symbol": "ViN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "INHIBIT Input Voltage",
"symbol": "VINH",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 16,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TOPR",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "Note 2: determined from design only, not 100% tested",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Junction to Case thermal resistance",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 81,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ld2985g-50-af5-r"
],
"discovery_pitch": "LD2985G-50-AF5-R (UTC Unisonic Tech) 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",
"ld2985g-50-af5-r.kicad_sym",
"ld2985g-50-af5-r.kicad_mod",
"ld2985g-50-af5-r.glb",
"ld2985g-50-af5-r.step",
"ld2985g-50-af5-r.lbr",
"docs/hero.png",
"docs/ld2985g-50-af5-r-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ld2985g-50-af5-r-hero.glb",
"ld2985g-50-af5-r-hero.overlay.json",
"ld2985g-50-af5-r-etched.glb"
],
"visibility": {
"public": true
}
}