NDP13701QB

{
  "schema_version": 1,
  "type": "component",
  "slug": "ndp13701qb",
  "title": "NDP13701QB",
  "brief": "NDP DC-DC Converters, QFN-20(5x5). 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)",
    "ndp13701qb",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "NDP13701QB",
    "manufacturer": "NDP",
    "package": "QFN-20(5x5)",
    "pin_count": 21,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905459434348544",
    "parts": {
      "symbol": "ndp13701qb.kicad_sym",
      "footprint": "ndp13701qb.kicad_mod",
      "model_3d": "ndp13701qb-hero.glb",
      "model_3d_plain": "ndp13701qb-etched.glb",
      "model_3d_step": "ndp13701qb-etched.step",
      "model_3d_step_plain": "ndp13701qb.step",
      "lbr": "ndp13701qb.lbr"
    },
    "distributor_links": {
      "lcsc": "C17702296"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:04:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the exposed-pad group PAD1; connect to system ground."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the layout note says pins 4 and 5 may be tied to VIN or GND for easier layout."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the layout note says pins 4 and 5 may be tied to VIN or GND for easier layout."
      },
      {
        "number": "6",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
      },
      {
        "number": "7",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
      },
      {
        "number": "8",
        "name": "VIN",
        "type": "power_in",
        "description": "Power input of the exposed-pad group PAD2; VIN range is 7.5 V to 30 V with an absolute maximum of -0.3 V to 33 V to GND."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "10",
        "name": "BST",
        "type": "power_out",
        "description": "Boot-strap pin for the high-side driver; connect a resistor of 0-10 Ω (4.7 Ω typ) and 100 nF from BST to SW, with BST to GND rated -0.3 V to VIN+7 V."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "12",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "13",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "14",
        "name": "SW",
        "type": "output",
        "description": "Switching node of the exposed-pad group PAD3, connected to the inductor; SW to GND rated -0.3 V to VIN+0.3 V."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "16",
        "name": "FB",
        "type": "input",
        "description": "Feedback input for the output voltage divider, regulated to the 1.0 V internal reference; FB to GND rated -0.3 V to 6.5 V."
      },
      {
        "number": "17",
        "name": "CSP",
        "type": "input",
        "description": "Positive pole of the current-sense amplifier; CSP to GND rated -0.3 V to VIN, with the CSP-CSN current-sense voltage of 51-59 mV."
      },
      {
        "number": "18",
        "name": "CSN1",
        "type": "input",
        "description": "Negative pole 1 of the current-sense amplifier; CSN1 to GND rated -0.3 V to VIN."
      },
      {
        "number": "19",
        "name": "CSN2",
        "type": "input",
        "description": "Negative pole 2 of the current-sense amplifier; CSN2 to GND rated -0.3 V to VIN."
      },
      {
        "number": "20",
        "name": "FS/EN",
        "type": "input",
        "description": "Connect a resistor to GND to set switching frequency, or float for 130 kHz; it also serves as enable with an internal 8 µA pull-up, and FS/EN to GND is rated -0.3 V to 6.5 V; below 0.3 V the part enters shutdown."
      },
      {
        "number": "21",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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          "exposed pad 21 added from the footprint"
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        "cost_usd": 0.0748,
        "at": "2026-10-18T03:03:03"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 21,
        "described": 21,
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  "metadata": {
    "specs": {
      "Manufacturer": "NDP",
      "Package": "QFN-20(5x5)",
      "Category": "Power Management (PMIC)",
      "Pins": "21"
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    "characteristics": {
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        {
          "name": "Operating Junction Temperature",
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          "name": "Storage Junction Temperature",
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          "name": "Maximum Duty Cycle (DMAX)",
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          "unit": "%",
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        {
          "name": "UVLO OFF Voltage",
          "symbol": "VUVLO_OFF",
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          "min": 6.8,
          "typ": 7.1,
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          "name": "UVLO ON Voltage",
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        {
          "name": "Standby Current",
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          "kind": "electrical",
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          "conditions": "No Load",
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        {
          "name": "FB Reference Voltage",
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          "kind": "electrical",
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          "min": 0.98,
          "typ": 1,
          "max": 1.02,
          "conditions": "",
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        },
        {
          "name": "Current Sense AMP VCS1",
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          "kind": "electrical",
          "unit": "mV",
          "min": 51,
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          "name": "Current Sense AMP VCS2",
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          "name": "Switching Frequency",
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          "unit": "kHz",
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          "typ": 130,
          "max": 150,
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        {
          "name": "Switching Frequency",
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          "conditions": "R_FS=200kΩ",
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          "name": "Enable On Voltage",
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          "name": "Enable Off Voltage",
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          "name": "Quiescent Current",
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          "name": "Enable Voltage",
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        {
          "name": "Enable Internal Pull Up Current",
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          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 8,
          "max": null,
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          "source_page": 5,
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          "name": "Maximum Duty Cycle",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 99,
          "max": null,
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          "name": "Minimum On-Time",
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          "min": null,
          "typ": 250,
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          "name": "Current Limit",
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        {
          "name": "Hiccup Interval",
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          "name": "Soft Start Time",
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          "name": "RDSON of Power MOSFET (high side)",
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          "conditions": "Temperature=25℃",
          "source_page": 5,
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          "name": "RDSON of Power MOSFET (low side)",
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          "min": null,
          "typ": 10,
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          "conditions": "Temperature=25℃",
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          "name": "Thermal shutdown Temperature",
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          "name": "Thermal Resistance from Junction to Case",
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          "name": "Thermal Resistance from Junction to Ambient",
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