component
LR78L05-M
Public Made by Adomby adom
LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488
{
"schema_version": 1,
"type": "component",
"slug": "lr78l05-m",
"title": "LR78L05-M",
"brief": "LR Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. 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)",
"lr78l05-m",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LR78L05-M",
"manufacturer": "LR",
"package": "SOT-89-3L",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4403302a01be983bd6518911efc23cc8.pdf",
"parts": {
"symbol": "lr78l05-m.kicad_sym",
"footprint": "lr78l05-m.kicad_mod",
"model_3d": "lr78l05-m-hero.glb",
"model_3d_plain": "lr78l05-m-etched.glb",
"model_3d_step": "lr78l05-m-etched.step",
"model_3d_step_plain": "lr78l05-m.step",
"lbr": "lr78l05-m.lbr"
},
"distributor_links": {
"lcsc": "C6398166"
},
"distributor_check": {
"checked_at": "2026-11-05T04:39:17Z",
"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 fixed 5V output (4.9V to 5.1V at VIN=10V, IOUT=10mA) delivering 100mA typical, with an output capacitor of at least 0.1uF required."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the regulator; all voltages are measured relative to GND."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Input supply pin with 30V operating input limit (35V absolute maximum), minimum operating voltage 7V, and an input capacitor of at least 0.33uF recommended."
}
],
"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 package drawing (top view) shows no pad tab label. The SOT-89 tab is normally tied to GND, but t",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 10,
"cost_usd": 0.1779,
"at": "2026-11-05T04:39:10"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/4403302a01be983bd6518911efc23cc8.pdf",
"pages": 10,
"sha256": "e6cb82c1689e2541",
"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": "lr78l05-m.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": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lr78l05-m-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": "5af80adaf82d80a268cdcca3c1971d03770b63b989f2b4cce77f7c67c15f568e",
"checked": "2026-11-05",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SOT89-3L",
"source_page": 10,
"D": {
"nom_mm": 4.5,
"range_mm": [
4.4,
4.6
]
},
"E1": {
"nom_mm": 2.45,
"range_mm": [
2.3,
2.6
]
},
"E": {
"nom_mm": 4.095,
"range_mm": [
3.94,
4.25
]
},
"e": {
"nom_mm": 1.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.5,
"range_mm": [
1.4,
1.6
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "lr78l05-m.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "LR",
"Package": "SOT-89-3L",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "e6cb82c1689e2541a00f0ee543c16a934a00b651e6debf342ac67843ac86ddd1",
"rows": [
{
"name": "最大输入电源电压",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "最大输出电流",
"symbol": "IOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 200,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "耗散功率",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "SOT89-3",
"source_page": 3,
"source": "datasheet"
},
{
"name": "工作温度",
"symbol": "TOPR",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "存储温度",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ESD 人体模式 (H.B.M)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -3000,
"typ": null,
"max": 3000,
"conditions": "H.B.M POS/NEG",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输入电压",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "ISS=2.5mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "输出电压",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5,
"max": 5.1,
"conditions": "VIN=10V，IOUT=10mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "线性调整度",
"symbol": "△VOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 18,
"max": 75,
"conditions": "7V≤VIN≤20V，IOUT=10mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "负载调整度",
"symbol": "△VOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 20,
"max": 60,
"conditions": "VIN=10V，1mA≤IOUT≤100mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "最小压差 (IOUT=50mA)",
"symbol": "VDrop",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": 1.6,
"max": 1.8,
"conditions": "IOUT=50mA，△VOUT=±2%*VOUT",
"source_page": 3,
"source": "datasheet"
},
{
"name": "最小压差 (IOUT=100mA)",
"symbol": "VDrop",
"kind": "electrical",
"unit": "V",
"min": 1.5,
"typ": 1.85,
"max": 2.2,
"conditions": "IOUT=100mA，△VOUT=±2%*VOUT",
"source_page": 3,
"source": "datasheet"
},
{
"name": "纹波抑制比",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": 47,
"typ": 62,
"max": null,
"conditions": "f=120Hz，8V≤VIN≤16V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "静态电流",
"symbol": "ISS",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.5,
"max": 5,
"conditions": "VIN= 10V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "结温 (极限参数)",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 8,
"source": "datasheet"
},
{
"name": "正常工作最大结温 (建议)",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "℃",
"min": null,
"typ": null,
"max": 125,
"conditions": "建议正常工作时",
"source_page": 8,
"source": "datasheet"
},
{
"name": "SOT89-3 结到环境热阻",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 200,
"max": null,
"conditions": "SOT89-3",
"source_page": 8,
"source": "datasheet"
},
{
"name": "输入电容 (建议最小值)",
"symbol": "CIN",
"kind": "recommended_operating",
"unit": "μF",
"min": 0.33,
"typ": null,
"max": null,
"conditions": "输入端陶瓷电容",
"source_page": 8,
"source": "datasheet"
},
{
"name": "输出电容 (建议最小值)",
"symbol": "COUT",
"kind": "recommended_operating",
"unit": "μF",
"min": 0.1,
"typ": null,
"max": null,
"conditions": "陶瓷电容",
"source_page": 8,
"source": "datasheet"
},
{
"name": "建议最小负载电容 (注3)",
"symbol": "",
"kind": "recommended_operating",
"unit": "uF",
"min": 0.01,
"typ": null,
"max": null,
"conditions": "注3：抑制高频噪声",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lr78l05-m"
],
"discovery_pitch": "LR78L05-M (LR) 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",
"lr78l05-m.kicad_sym",
"lr78l05-m.kicad_mod",
"lr78l05-m.glb",
"lr78l05-m.step",
"lr78l05-m.lbr",
"docs/hero.png",
"docs/lr78l05-m-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lr78l05-m-hero.glb",
"lr78l05-m-hero.overlay.json",
"lr78l05-m-etched.glb"
],
"visibility": {
"public": true
}
}