component
LTP3558-50XT4
Public Made by Adomby adom
Linearin Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439
{
"schema_version": 1,
"type": "component",
"slug": "ltp3558-50xt4",
"title": "LTP3558-50XT4",
"brief": "Linearin Linear Voltage Regulators (LDO), SOT-89-3. 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 supply chip",
"ltp3558-50xt4",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LTP3558-50XT4",
"manufacturer": "Linearin",
"package": "SOT-89-3",
"pin_count": 3,
"category": "Power Supply Chip",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944640401133569",
"parts": {
"symbol": "ltp3558-50xt4.kicad_sym",
"footprint": "ltp3558-50xt4.kicad_mod",
"model_3d": "ltp3558-50xt4-hero.glb",
"model_3d_plain": "ltp3558-50xt4-etched.glb",
"model_3d_step": "ltp3558-50xt4-etched.step",
"model_3d_step_plain": "ltp3558-50xt4.step",
"lbr": "ltp3558-50xt4.lbr"
},
"distributor_links": {
"lcsc": "C2897797"
},
"distributor_check": {
"checked_at": "2026-10-17T20:44:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the regulator."
},
{
"number": "2",
"name": "IN",
"type": "power_in",
"description": "Supply input pin that must be closely decoupled to GND with a 1μF or greater ceramic capacitor."
},
{
"number": "3",
"name": "OUT",
"type": "power_out",
"description": "Regulated output pin that must be bypassed to ground with a 1μF or greater ceramic capacitor."
}
],
"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 only the function 'Ground.' for GND with no additional limits, so the descriptio; The MPN LTP3558-50XT4 matches the SOT-89 ordering row (LTP3558-xxXT4), and the SOT-89 pin numbers we"
],
"pages_sent": 10,
"cost_usd": 0.0279,
"at": "2026-10-17T20:42:21"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588944640401133569",
"pages": 10,
"sha256": "bdf40379d2112217",
"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": "ltp3558-50xt4.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ltp3558-50xt4-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "fe1bedb64c22fd85595f30c4d2ebdc7cfb69adfe3f0c09e048627e9d270f84e1",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Linearin",
"Package": "SOT-89-3",
"Category": "Power Supply Chip",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "bdf40379d21122175abc7709405d928a759ee54e1c0737fdc25c0a4a04c7be5f",
"rows": [
{
"name": "Input Voltage Operation Range",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 36,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VDROP",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 720,
"conditions": "VOUT= 5V, IOUT = 150mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VDROP",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 420,
"conditions": "VOUT= 5V, IOUT = 100mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DC Supply Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1.5,
"max": 3,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Voltage Line Regulation",
"symbol": "RegLINE",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.01,
"max": 0.04,
"conditions": "VIN = VOUT +1V to 30V, IOUT = 10mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Voltage Load Regulation",
"symbol": "RegLOAD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 5,
"max": 20,
"conditions": "IOUT from 1mA to 150mA, VIN=VOUT+2V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Voltage Load Regulation",
"symbol": "RegLOAD",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 25,
"max": 60,
"conditions": "IOUT from 1mA to 150mA, VIN=10V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Maximum Output Current",
"symbol": "IOUT",
"kind": "electrical",
"unit": "mA",
"min": 200,
"typ": null,
"max": null,
"conditions": "VIN = VOUT +1V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Short Current Protection",
"symbol": "ISHORT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 100,
"max": null,
"conditions": "OUT short to GND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output Noise",
"symbol": "eN",
"kind": "electrical",
"unit": "µVRMS",
"min": null,
"typ": 90,
"max": null,
"conditions": "10Hz to 100kHz, IOUT = 30mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "IN pin to GND pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OUT pin to GND pin voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 300,
"conditions": "10 sec",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ESD (HBM mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "ESDA/JEDEC JS-001-2017",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance (Junction to Ambient), SOT-89",
"symbol": "",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 135,
"conditions": "Junction to ambient, SOT-89 package",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Capacitance (recommended)",
"symbol": "COUT",
"kind": "recommended_operating",
"unit": "µF",
"min": 1,
"typ": null,
"max": 10,
"conditions": "Ceramic, X7R or X5R temperature characteristic",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output Capacitor ESR (recommended)",
"symbol": "ESR",
"kind": "recommended_operating",
"unit": "mΩ",
"min": 5,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Capacitance (recommended)",
"symbol": "CIN",
"kind": "recommended_operating",
"unit": "µF",
"min": 1,
"typ": null,
"max": 10,
"conditions": "Ceramic, between VIN and GND",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ltp3558-50xt4"
],
"discovery_pitch": "LTP3558-50XT4 (Linearin) 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",
"ltp3558-50xt4.kicad_sym",
"ltp3558-50xt4.kicad_mod",
"ltp3558-50xt4.glb",
"ltp3558-50xt4.step",
"ltp3558-50xt4.lbr",
"docs/hero.png",
"docs/ltp3558-50xt4-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ltp3558-50xt4-hero.glb",
"ltp3558-50xt4-hero.overlay.json",
"ltp3558-50xt4-etched.glb"
],
"visibility": {
"public": true
}
}