main
Ray Set visibility: public cee6fc3 17d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lp5310b3f",
  "title": "LP5310B3F",
  "brief": "LOWPOWER Power Distribution Switches, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "power management (pmic)",
    "lp5310b3f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP5310B3F",
    "manufacturer": "LOWPOWER",
    "package": "SOT-23-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Power Distribution Switches",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a7ce383ac8e9d35999dc5287196a7889.pdf",
    "parts": {
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      "lbr": "lp5310b3f.lbr"
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    "distributor_links": {
      "lcsc": "C47345744"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:55:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
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        "status": "quota"
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    "pins": [
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        "name": "IN",
        "type": "power_in",
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      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "power_out",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "at": "2026-10-18T21:53:18"
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        "pages": 10,
        "sha256": "7a2246a2bafc1aa3",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16964b14f93e6c778288a0c110b35f670fab733109c26f0da7dfc07cc3350040",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOT-23-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "7a2246a2bafc1aa3c9ada233331d0b0390819993c028edbe31933a8329ac6c32",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum of Output current",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "A",
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          "typ": null,
          "max": 1.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VIN to GND",
          "symbol": "",
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          "unit": "V",
          "min": -0.3,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "VOUT to GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature (TA)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Maximum Soldering Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "at leads, 10 seconds",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM (Human Body Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8000,
          "typ": null,
          "max": 8000,
          "conditions": "JEDEC JS-001",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD CDM (Charged Device Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "JEDEC JS-002",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Power Dissipation (PD)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "TA <= 25℃",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "μA",
          "min": 50,
          "typ": 65,
          "max": 80,
          "conditions": "VIN = 5V, OUT floating",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout level (falling)",
          "symbol": "VUVLO_F",
          "kind": "electrical",
          "unit": "V",
          "min": 2.85,
          "typ": 2.95,
          "max": 3.05,
          "conditions": "VIN voltage falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Under-Voltage Lockout level (rising)",
          "symbol": "VUVLO_R",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.1,
          "max": 3.2,
          "conditions": "VIN voltage rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over-Voltage Protection level (falling)",
          "symbol": "VOVP_F",
          "kind": "electrical",
          "unit": "V",
          "min": 5.85,
          "typ": 5.95,
          "max": 6.05,
          "conditions": "VIN voltage falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over-Voltage Protection level (rising)",
          "symbol": "VOVP_R",
          "kind": "electrical",
          "unit": "V",
          "min": 5.95,
          "typ": 6.05,
          "max": 6.15,
          "conditions": "VIN voltage rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output auto discharge",
          "symbol": "RDIS",
          "kind": "electrical",
          "unit": "Ω",
          "min": 400,
          "typ": 500,
          "max": 600,
          "conditions": "VIN = 5V, VEN = 0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load switch turned on delay",
          "symbol": "tDON",
          "kind": "timing",
          "unit": "ms",
          "min": 12,
          "typ": 16,
          "max": 20,
          "conditions": "VIN = 5V, ROUT = 100Ω, COUT = 22μF, time from enabled to VOUT = 0.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output rising time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "μs",
          "min": 100,
          "typ": 150,
          "max": 200,
          "conditions": "VIN = 5V, ROUT = 100Ω, COUT = 22μF, time from VOUT = 0.1×VIN to 0.9×VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over-Voltage Protection response time",
          "symbol": "tOVP",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 30,
          "max": 50,
          "conditions": "VIN rising from 5V with 30V/μs, ROUT = 100Ω, COUT = 0, time from VIN > VOVP_R to OUT voltage stop rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 270,
          "max": null,
          "conditions": "VIN = 5V, IOUT=200mA, TA=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Over current protection level",
          "symbol": "IOCP",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "VIN = 5V, TA=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OCP qualification time",
          "symbol": "tOCP_QUAL",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VIN = 5V, TA = 25°C, qualification time from IOUT hits IOCP to switch turned off",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Load switch turned off delay",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VIN = 5V, ROUT = 500Ω, COUT = 0.1μF, time from disabled to VOUT = 0.9×VIN",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown trigger",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "Temperature rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown release",
          "symbol": "TSD_REL",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "Temperature falling",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance (θJA)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 400,
          "max": null,
          "conditions": "2S2P JEDEC standard PCB (Note 2)",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "LP5310B3F (LOWPOWER) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}