AP3781S-13

{
  "schema_version": 1,
  "type": "component",
  "slug": "ap3781s-13",
  "title": "AP3781S-13",
  "brief": "Diodes Incorporated AC-DC Controllers And Regulators, SO-8. 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)",
    "ap3781s-13",
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  "component": {
    "mpn": "AP3781S-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP3781S-13.pdf",
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    "distributor_links": {
      "lcsc": "C3093936",
      "digikey": "31-AP3781S-13TR-ND",
      "mouser": "621-AP3781S-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:42:34Z",
      "source": "Component Ocean /api/assign-pns",
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    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "The ground of the controller."
      },
      {
        "number": "2",
        "name": "FB",
        "type": "input",
        "description": "The CV regulation is realized based on the voltage sampling of this pin, which the controller regulates to VFB of 2.4V."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "The VCC pin supplies the power for the IC, with a recommended supply range of 10 V to 30 V."
      },
      {
        "number": "4",
        "name": "CS",
        "type": "input",
        "description": "The CS is the current sense pin of the IC, and the IC turns off the power MOSFET according to the voltage on the CS pin."
      },
      {
        "number": "5",
        "name": "OTP",
        "type": "input",
        "description": "Adjustable over temperature protection by an external NTC resistor connected from this pin to GND, shutting down at VOTP of 510 mV typical."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      },
      {
        "number": "7",
        "name": "OUT",
        "type": "output",
        "description": "Output pin to drive an external MOSFET."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connection."
      }
    ],
    "provenance": {
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        "guard_notes": [
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        "cost_usd": 0.02,
        "at": "2026-10-27T06:42:04"
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        "pages": 15,
        "sha256": "370383f7934c464b",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
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  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
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        "quote": " Terminals: Finish – Matte Tin Plated Leads, Solderable per JESD22-B102  Weight: 0.076 grams (Approximate)",
        "page": 14,
        "doc": "ds.pdf",
        "plating": "tin"
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          "name": "Peak Driver Source Current",
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          "name": "Over Voltage Protection at FB Pin",
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        {
          "name": "Delay Time of SUVP",
          "symbol": "tDELAY(SUVP)",
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          "typ": 64,
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          "name": "External OTP Recovery Threshold",
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          "unit": "μA",
          "min": 74,
          "typ": 80,
          "max": 86,
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          "name": "Supply Voltage",
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        {
          "name": "Ambient Temperature",
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