component
78S05M
Public Made by Adomby adom
UNI SEMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404
{
"schema_version": 1,
"type": "component",
"slug": "78s05m",
"title": "78S05M",
"brief": "UNI SEMIC Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, 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 management (pmic)",
"78s05m",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "78S05M",
"manufacturer": "UNI SEMIC",
"package": "SOT-89-3",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756968211914989568",
"parts": {
"symbol": "78s05m.kicad_sym",
"footprint": "78s05m.kicad_mod",
"model_3d": "78s05m-hero.glb",
"model_3d_plain": "78s05m-etched.glb",
"model_3d_step": "78s05m-etched.step",
"model_3d_step_plain": "78s05m.step",
"lbr": "78s05m.lbr"
},
"distributor_links": {
"lcsc": "C400136"
},
"distributor_check": {
"checked_at": "2026-10-20T09:59:26Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "VOUT",
"type": "power_out",
"description": "Regulated 5V output, supplying up to 150 mA output current with internal current limiting and thermal shutdown."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin, connected to the input and output capacitor returns in the test circuit."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Unregulated input voltage, absolute maximum 30 V for 3.3 to 9 V output versions."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The SOT-89 drawing labels the metal tab as GND but gives it no pin number. It is left out of the pin; Page 5 gives the 30 V absolute maximum for VO = 3.3 to 9 V without naming the 5 V part. It is applie",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 14,
"cost_usd": 0.16,
"at": "2026-10-20T09:59:09"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756968211914989568",
"pages": 14,
"sha256": "888ad4dceef65e1f",
"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": "78s05m.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": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "78s05m-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": "00da064801bb73fc7269578f680f6870bd99cab20def66519c25c4be0b605473",
"checked": "2026-10-20",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "UNI SEMIC",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "888ad4dceef65e1f6f12c4c48b3862f35617f4cb45e947ee571f3aa6a0a12722",
"rows": [
{
"name": "Output voltage",
"symbol": "Vo",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": null,
"max": 5.1,
"conditions": "7V≤Vi≤20V, Io=5mA～150mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Load regulation",
"symbol": "ΔVo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 25,
"max": 100,
"conditions": "Tj=25℃, Io=5mA～150mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Load regulation",
"symbol": "ΔVo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 10,
"max": 50,
"conditions": "Tj=25℃, Io=5mA～100mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Line regulation",
"symbol": "ΔVo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 4,
"max": 100,
"conditions": "7V≤Vi≤25V, Io=100mA, Tj=25℃",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Line regulation",
"symbol": "ΔVo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 2,
"max": 50,
"conditions": "8V≤Vi≤25V, Io=100mA, Tj=25℃",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.2,
"max": 6,
"conditions": "Tj=25℃",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Quiescent current change",
"symbol": "ΔIq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "8V≤Vi≤25V, Io=100mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Quiescent current change",
"symbol": "ΔIq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "5mA≤Io≤150mA",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output noise voltage",
"symbol": "VN",
"kind": "electrical",
"unit": "µV",
"min": null,
"typ": 40,
"max": null,
"conditions": "10Hz≤f≤100kHz",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Supply voltage rejection",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 41,
"max": 50,
"conditions": "10V≤Vi≤20V; f=120Hz; Tj=25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Dropout voltage",
"symbol": "Vd",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.7,
"conditions": "Tj=25°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output voltage tolerance",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "Feature list: available in ±2%",
"source_page": 2,
"source": "datasheet"
},
{
"name": "DC input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "VO = 3.3 to 9 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Output current",
"symbol": "IO",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Power dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "SOT89 package",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TOP",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"78s05m"
],
"discovery_pitch": "78S05M (UNI SEMIC) 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",
"78s05m.kicad_sym",
"78s05m.kicad_mod",
"78s05m.glb",
"78s05m.step",
"78s05m.lbr",
"docs/hero.png",
"docs/78s05m-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"78s05m-hero.glb",
"78s05m-hero.overlay.json",
"78s05m-etched.glb"
],
"visibility": {
"public": true
}
}