component
LR78L15A
Public Made by Adomby adom
LRC 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
Ray
lr78l15a: specified limits as data (metadata.characteristics, 19 rows from the datasheet)
928a505
16d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426
{
"schema_version": 1,
"type": "component",
"slug": "lr78l15a",
"title": "LR78L15A",
"brief": "LRC 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)",
"lr78l15a",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LR78L15A",
"manufacturer": "LRC",
"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/8588945214408953856",
"parts": {
"symbol": "lr78l15a.kicad_sym",
"footprint": "lr78l15a.kicad_mod",
"model_3d": "lr78l15a-hero.glb",
"model_3d_plain": "lr78l15a.glb",
"model_3d_step": "lr78l15a-etched.step",
"model_3d_step_plain": "lr78l15a.step",
"lbr": "lr78l15a.lbr"
},
"distributor_links": {
"lcsc": "C2901888"
},
"distributor_check": {
"checked_at": "2026-10-09T19:34:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Output",
"type": "power_out",
"description": "Regulated fixed 15V output of the LR78L15A, rated for output current up to 100mA per the datasheet features."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Common ground reference pin of the regulator; the datasheet states no separate electrical limit for this pin."
},
{
"number": "3",
"name": "Input",
"type": "power_in",
"description": "Unregulated input supply, with an absolute maximum input voltage of 35V for the 12V to 24V output versions, which covers the 15V part."
}
],
"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 SOT-89 pinout (1:Output 2:GND 3:Input) is printed for the whole LR78LXX series. The ordering inf; The 35V input rating is the absolute maximum listed for the Vo=12~24V group. The datasheet does not ; The datasheet gives no electrical function or limit for the GND pin beyond its label, so the GND des"
],
"pages_sent": 6,
"cost_usd": 0.0325,
"at": "2026-10-09T19:32:11"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945214408953856",
"pages": 6,
"sha256": "a49a118b686fea89",
"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": "lr78l15a.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": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lr78l15a-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": "d665b8551076a722c57611d93dea371a488c30189470db78f9f00db59ed408d0",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "LRC",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "a49a118b686fea89",
"rows": [
{
"name": "Output Voltage (Tj=25C)",
"symbol": "VO",
"kind": "electrical",
"unit": "V",
"min": 14.4,
"typ": 15,
"max": 15.6,
"conditions": "Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage",
"symbol": "VO",
"kind": "electrical",
"unit": "V",
"min": 14.25,
"typ": null,
"max": 15.75,
"conditions": "17.5V<=VI<=30V, IO=1mA~40mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Vo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 45,
"max": 150,
"conditions": "Tj=25C, IO=1mA~100mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Vo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 30,
"max": 75,
"conditions": "Tj=25C, IO=1mA~40mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "Vo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 30,
"max": 300,
"conditions": "17.5V<=VI<=30V, Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "Vo",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 15,
"max": 250,
"conditions": "20V<=VI<=30V, Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.2,
"max": 6,
"conditions": "IO=0mA, Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current Change",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 1.5,
"conditions": "20V<=VI<=30V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current Change",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "1mA<=IO<=40mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ripple Rejection",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 33,
"max": 39,
"conditions": "18.5V<=VI<=28.5V, f=120Hz, Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "Vd",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.7,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Noise Voltage",
"symbol": "VN",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 90,
"max": null,
"conditions": "10Hz<=f<=100kHz, Tj=25C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Temperature Coefficient of Vo",
"symbol": "Vo/T",
"kind": "temperature_coefficient",
"unit": "mV/C",
"min": null,
"typ": 1.3,
"max": null,
"conditions": "Io=5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage (for Vo=12~24V)",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 35,
"conditions": "Vo=12~24V",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Output Current",
"symbol": "Io",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Power Dissipation (SOT-89)",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "SOT-89",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature",
"symbol": "TOPR",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 1,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lr78l15a"
],
"discovery_pitch": "LR78L15A (LRC) 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",
"lr78l15a.kicad_sym",
"lr78l15a.kicad_mod",
"lr78l15a.glb",
"lr78l15a.step",
"lr78l15a.lbr",
"docs/hero.png",
"docs/lr78l15a-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lr78l15a-hero.glb",
"lr78l15a-hero.overlay.json"
],
"visibility": {
"public": true
}
}