main
Ray Set visibility: public 6eb0f63 15h ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797
{
  "schema_version": 1,
  "type": "component",
  "slug": "ld501pcsot-25",
  "title": "LD501PCSOT-25",
  "brief": "analogysemi Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT23-5. 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)",
    "ld501pcsot-25",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LD501PCSOT-25",
    "manufacturer": "analogysemi",
    "package": "SOT23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ae4f5f201724f361a7878968fd5d453.pdf",
    "parts": {
      "symbol": "ld501pcsot-25.kicad_sym",
      "footprint": "ld501pcsot-25.kicad_mod",
      "model_3d": "ld501pcsot-25-hero.glb",
      "model_3d_plain": "ld501pcsot-25-etched.glb",
      "model_3d_step": "ld501pcsot-25-etched.step",
      "model_3d_step_plain": "ld501pcsot-25.step",
      "lbr": "ld501pcsot-25.lbr"
    },
    "distributor_links": {
      "lcsc": "C5359423"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:21:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Regulator input supply operating from 2.2V to 5.5V; bypass VIN to GND with a 1μF or greater capacitor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the regulator."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable input: drive EN high to turn the regulator on and low to turn it off; connect EN to VIN for automatic startup."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; not connected internally."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output voltage; bypass VOUT to GND with a 1μF or greater 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: LD501PCSOT-25 is listed in Table 1 (page 2) as available in SOT23-5, so the pinout is taken from Tab"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0274,
        "at": "2026-10-27T01:20:46"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8ae4f5f201724f361a7878968fd5d453.pdf",
        "pages": 24,
        "sha256": "6b45c64f53dc3063",
        "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": "ld501pcsot-25.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": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ld501pcsot-25-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": "3c4ac75d576ff5c52c6190487371f3dc12ea9ef33748c0703688563dcd231a48",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "analogysemi",
      "Package": "SOT23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "to solder the package GND pins to the PCB. Table 9 shows typical θJA values of the SOT23-5 for various PCB copper sizes. Table 10 shows the typical ΨJB",
        "page": 19,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "6b45c64f53dc30637b38eec952438a0d7e6c73e46356ee49adddfed1d8aa0af3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6b45c64f53dc30637b38eec952438a0d7e6c73e46356ee49adddfed1d8aa0af3",
      "rows": [
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Range",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Current Range (LD501P)",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 250,
          "conditions": "LD501P",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor",
          "symbol": "COUT",
          "kind": "recommended_operating",
          "unit": "µF",
          "min": 0.7,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitor ESR",
          "symbol": "RESR",
          "kind": "recommended_operating",
          "unit": "Ω",
          "min": 0.001,
          "typ": null,
          "max": 0.2,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VIN to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "VOUT to GND",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "maximum printed as VIN",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN to GND",
          "symbol": "EN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Human-Body Model",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -5000,
          "typ": null,
          "max": 5000,
          "conditions": "HBM, per ANSI/ESDA/JEDEC JS-001",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ESD Charged-Device Model",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "CDM, per JEDEC JESD22-C101",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy (SOT23-5)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "IOUT = 10mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy (SOT23-5)",
          "symbol": "VOUT",
          "kind": "tolerance",
          "unit": "%",
          "min": -2.5,
          "typ": null,
          "max": 1.5,
          "conditions": "VOUT ≥1.8V, 100μA < IOUT < 150mA (200mA, 250mA), VIN = (VOUT + 0.4V) to 5.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Current-Limit Threshold (LD501P)",
          "symbol": "ILIMIT",
          "kind": "electrical",
          "unit": "mA",
          "min": 260,
          "typ": 350,
          "max": 385,
          "conditions": "TJ = 0°C to 125°C, LD501P",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Lockout Input Voltage Falling",
          "symbol": "UVLOFALL",
          "kind": "electrical",
          "unit": "V",
          "min": 1.75,
          "typ": null,
          "max": 2,
          "conditions": "TJ = −40°C to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "IOUT = 0μA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 25,
          "max": null,
          "conditions": "IOUT = 0μA, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 28,
          "max": null,
          "conditions": "IOUT = 100μA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 54,
          "max": null,
          "conditions": "IOUT = 100μA, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 61,
          "max": null,
          "conditions": "IOUT = 10mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "IOUT = 10mA, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 229,
          "max": null,
          "conditions": "IOUT = 250mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Supply Current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 291,
          "max": null,
          "conditions": "IOUT = 250mA, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "IGND-SD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.25,
          "max": null,
          "conditions": "EN = GND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "IGND-SD",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1.8,
          "max": null,
          "conditions": "EN = GND, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "∆VOUT/∆VIN",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": null,
          "conditions": "VIN = (VOUT + 0.4V) to 5.5V, TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (SOT23-5)",
          "symbol": "∆VOUT/∆IOUT",
          "kind": "electrical",
          "unit": "%/mA",
          "min": null,
          "typ": 0.002,
          "max": null,
          "conditions": "VOUT ≥ 1.8V, IOUT = 100μA to 150mA (200mA, 250mA)",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (SOT23-5)",
          "symbol": "∆VOUT/∆IOUT",
          "kind": "electrical",
          "unit": "%/mA",
          "min": null,
          "typ": 0.005,
          "max": null,
          "conditions": "VOUT ≥ 1.8V, IOUT = 100μA to 150mA (200mA, 250mA), TJ = −40°C to 125°C",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (SOT23-5)",
          "symbol": "VDROPOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 118,
          "max": null,
          "conditions": "IOUT = 250mA",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage (SOT23-5)",
          "symbol": "VDROPOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 117,
          "max": null,
          "conditions": "IOUT = 250mA, TJ = −40°C to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Lockout Input Voltage Rising",
          "symbol": "UVLORISE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2.1,
          "max": null,
          "conditions": "TJ = −40°C to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage Lockout Hysteresis",
          "symbol": "UVLOHYS",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 102,
          "max": null,
          "conditions": "TJ = −40°C to 125°C",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 155,
          "max": null,
          "conditions": "TJ rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Hysteresis",
          "symbol": "TSSD-HYS",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "TJ rising",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic High",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "2.2V ≤ VIN ≤ 5.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN Input Logic Low",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
          "conditions": "2.2V ≤ VIN ≤ 5.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "EN Input Leakage Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.001,
          "max": null,
          "conditions": "VIN = VEN = 5.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Output Noise",
          "symbol": "OUTNOISE",
          "kind": "electrical",
          "unit": "μV rms",
          "min": null,
          "typ": 12.5,
          "max": null,
          "conditions": "10Hz to 100kHz, VIN = 5V, VOUT = 2.5V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Ambient",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 168,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case (Top)",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 103,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Board",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 39,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Top Characterization Parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-Board Characterization Parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 36,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction-to-Case (Bottom)",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 66,
          "max": null,
          "conditions": "SOT23-5",
          "source_page": 7,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ld501pcsot-25"
  ],
  "discovery_pitch": "LD501PCSOT-25 (analogysemi) 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",
    "ld501pcsot-25.kicad_sym",
    "ld501pcsot-25.kicad_mod",
    "ld501pcsot-25.glb",
    "ld501pcsot-25.step",
    "ld501pcsot-25.lbr",
    "docs/hero.png",
    "docs/ld501pcsot-25-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ld501pcsot-25-hero.glb",
    "ld501pcsot-25-hero.overlay.json",
    "ld501pcsot-25-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}