AP5100WG-7

{
  "schema_version": 1,
  "type": "component",
  "slug": "ap5100wg-7",
  "title": "AP5100WG-7",
  "brief": "Diodes Incorporated DC-DC Converters, SOT-26. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "pmic",
    "ap5100wg-7"
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  "component": {
    "mpn": "AP5100WG-7",
    "manufacturer": "Diodes Incorporated",
    "package": "SOT-26",
    "pin_count": 6,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.diodes.com/assets/Datasheets/AP5100WG-7.pdf",
    "parts": {
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      "footprint": "ap5100wg-7.kicad_mod",
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      "lbr": "ap5100wg-7.lbr"
    },
    "distributor_links": {
      "lcsc": "C114647"
    },
    "pins": [
      {
        "number": "1",
        "name": "BST",
        "type": "passive",
        "description": "Bootstrap. A capacitor (0.1µF to 1µF typical) connected between SW and BST forms a floating supply across the internal power switch driver, boosting the high-side MOSFET gate above the supply voltage."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the regulated output voltage and all internal control circuits. Careful PCB layout is required to minimize noise coupling into this reference."
      },
      {
        "number": "3",
        "name": "FB",
        "type": "input",
        "description": "Feedback input, nominally 0.81V. Connect to the output resistor divider (or directly to VOUT for 0.81V output) to set the regulated output voltage. Includes a frequency foldback comparator that lowers the oscillator frequency to ~480kHz when FB falls below 400mV during current limit."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "On/Off control input. Pull above 1.2V to enable the converter and below 0.4V to disable it. Do not leave floating; if unused, tie to VIN through a 100kΩ resistor."
      },
      {
        "number": "5",
        "name": "IN",
        "type": "power_in",
        "description": "Supply voltage input, 4.75V to 24V (absolute maximum 26V). A local decoupling capacitor (C1) is required close to the pin to prevent large voltage spikes at the input."
      },
      {
        "number": "6",
        "name": "SW",
        "type": "power_out",
        "description": "Switch output from the internal high-side MOSFET (RDS(on) ~0.35Ω, current limit ~2.4A). Connects to the external inductor and catch diode; also the reference return for the BST floating supply capacitor."
      }
    ],
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        "pages": 12,
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        "source_tier": "mfr"
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        "described": 6,
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      "at": [
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      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-6@sha256:f341c73aac9dcb55",
      "mark": "drawn"
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        "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",
        "sha256": "c9fe686b4d1b56927a41fa84a9bc1efb61d8a45a123a3db43bcaa05c2891d635",
        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Diodes Incorporated",
      "Package": "SOT-26",
      "Category": "PMIC",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "cc0494aed30da802",
      "rows": [
        {
          "name": "Feedback Voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.79,
          "typ": 0.81,
          "max": 0.83,
          "conditions": "4.75V ≤ VIN ≤ 24V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fSW",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1.1,
          "typ": 1.4,
          "max": 1.7,
          "conditions": "VFB = 0.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Under Voltage Lockout Threshold (Rising)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": 4,
          "max": 4.2,
          "conditions": "Rising",
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        },
        {
          "name": "EN Input Low Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
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        {
          "name": "EN Input High Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
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        },
        {
          "name": "Supply Current (Shutdown)",
          "symbol": "IS",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 1,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Current (Quiescent)",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.4,
          "max": 1,
          "conditions": "VEN = 2V, VFB = 1V",
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        },
        {
          "name": "Feedback Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VFB = 0.8V",
          "source_page": 5,
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        },
        {
          "name": "Switch Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VEN = 0V, VSW = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum On-Time",
          "symbol": "tON",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Note 5",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "ESD Protection Human Body Model",
          "symbol": "ESD HBM",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD Protection Machine Model",
          "symbol": "ESD MM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
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        },
        {
          "name": "Supply Voltage (absolute)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 26,
          "conditions": "",
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        {
          "name": "Switch Voltage",
          "symbol": "VSW",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Rating printed as -0.3 to VIN +0.3 V; upper limit not a fixed number",
          "source_page": 4,
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        {
          "name": "All Other Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Storage Temperature",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
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        {
          "name": "Lead Temperature",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
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        {
          "name": "Supply Voltage (recommended)",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 24,
          "conditions": "",
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        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0.81,
          "typ": null,
          "max": 15,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Switch-On Resistance",
          "symbol": "RDS(ON)",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 0.35,
          "max": null,
          "conditions": "Note 5 (guaranteed by design)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "A",
          "min": null,
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          "max": null,
          "conditions": "Note 5",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Fold-back Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 480,
          "max": null,
          "conditions": "VFB = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 87,
          "max": null,
          "conditions": "VFB = 0.6V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Under Voltage Lockout Threshold Hysteresis",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "VEN = 2V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "EN Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VEN = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown",
          "symbol": "",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "Note 5",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction to Ambient Thermal Resistance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 140,
          "max": null,
          "conditions": "Note 3: measured on approximately 1” square of 1 oz copper (SOT26)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction to Case Thermal Resistance",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "Note 3",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
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    "email": "[email protected]"
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  "updated_at": "2026-09-24T16:41:36.252Z"
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