AP3211KTR-G1

{
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  "type": "component",
  "slug": "ap3211ktr-g1",
  "title": "AP3211KTR-G1",
  "brief": "Diodes Incorporated DC-DC Converters, SOT-23-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "pmic",
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  "component": {
    "mpn": "AP3211KTR-G1",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-23-6",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP3211KTR-G1.pdf",
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      "lcsc": "C154863"
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    "pins": [
      {
        "number": "1",
        "name": "BS",
        "type": "passive",
        "description": "Bootstrap pin. A bootstrap capacitor (typ. 10nF) is connected between BS and SW to generate the gate-drive rail for the internal high-side NMOS switch. Absolute-max voltage is VSW + 6V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground return pin."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback pin. Connect to an external resistor divider from VOUT to set the output voltage; regulates to VFB = 0.81V (typ). If VFB exceeds ~20% above nominal (~0.972V) OVP triggers; if VFB < 0.25V the oscillator frequency is folded back (~460kHz) for short-circuit protection. Absolute max -0.3V to 6V."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable/control input. Drive above 1.5V to enable the IC; drive below 0.4V to shut it down (shutdown supply current ~0.1μA typ, 1μA max). Absolute-max voltage -0.3V to VIN+0.3V."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Supply input pin. Operating range 4.5V-18V (absolute max 20V). A local input decoupling capacitor (typ. 10μF) to GND is required to keep the DC input voltage stable."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "power_out",
        "description": "Power switch output. Connects to the external inductor, freewheeling Schottky diode (asynchronous), and bootstrap capacitor. Absolute-max voltage 21V."
      }
    ],
    "provenance": {
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        "pages": 11,
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        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-23-6",
      "Category": "PMIC",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
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          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 18,
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        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.8,
          "max": 1.1,
          "conditions": "VFB = 0.9V",
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        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0V",
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        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.785,
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          "max": 0.835,
          "conditions": "",
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        },
        {
          "name": "Feedback Bias Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VFB = 0.85V",
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        },
        {
          "name": "Switch Leakage Current",
          "symbol": "ILEAK",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 10,
          "conditions": "VIN = 18V, VEN = 0V",
          "source_page": 4,
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        },
        {
          "name": "Switch Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": 1.8,
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        },
        {
          "name": "EN Pin Threshold (high)",
          "symbol": "VENH",
          "kind": "electrical",
          "unit": "V",
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        },
        {
          "name": "EN Pin Threshold (low)",
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          "kind": "electrical",
          "unit": "V",
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          "typ": null,
          "max": 0.4,
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        },
        {
          "name": "Input UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 3.3,
          "typ": 3.8,
          "max": 4.3,
          "conditions": "VIN Rising",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC1",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.1,
          "typ": 1.4,
          "max": 1.7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Min. Duty Cycle",
          "symbol": "DMIN",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": null,
          "max": 0,
          "conditions": "VFB = 0.9V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Pin Voltage",
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        {
          "name": "SW Pin Voltage",
          "symbol": "VSW",
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          "max": 21,
          "conditions": "",
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        {
          "name": "Bootstrap Pin Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
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        {
          "name": "Feedback Pin Voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
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        {
          "name": "Operating Junction Temperature",
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          "unit": "ºC",
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        {
          "name": "Storage Temperature",
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          "min": -65,
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        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TLEAD",
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        {
          "name": "Thermal Resistance",
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          "name": "Maximum Output Current",
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          "typ": null,
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        {
          "name": "Operating Ambient Temperature",
          "symbol": "TA",
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          "unit": "ºC",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
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