FAN48610BUC33X

{
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  "type": "component",
  "slug": "fan48610buc33x",
  "title": "FAN48610BUC33X",
  "brief": "onsemi DC-DC Converters, WLCSP-9(1.2x1.2). 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 supply chip",
    "fan48610buc33x",
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  "component": {
    "mpn": "FAN48610BUC33X",
    "manufacturer": "onsemi",
    "package": "WLCSP-9(1.2x1.2)",
    "pin_count": 9,
    "category": "Power Supply Chip",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/fan48610buc33x-d.pdf",
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    "distributor_links": {
      "lcsc": "C890709",
      "digikey": "FAN48610BUC33XTR-ND",
      "mouser": "512-FAN48610BUC33X"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:20:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "FAN48610BUC33XTR-ND",
        "status": "found",
        "lifecycle": "Obsolete"
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        "pn": "512-FAN48610BUC33X",
        "status": "found",
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    },
    "pins": [
      {
        "number": "A1",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage terminal; connect directly to COUT."
      },
      {
        "number": "A2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Output voltage terminal; connect directly to COUT."
      },
      {
        "number": "A3",
        "name": "VIN",
        "type": "power_in",
        "description": "Input voltage; connect to Li-Ion battery input power source, also the bias supply for the gate drivers (2.5 V to 4.8 V recommended)."
      },
      {
        "number": "B1",
        "name": "SW",
        "type": "passive",
        "description": "Switching node; connect to inductor."
      },
      {
        "number": "B2",
        "name": "SW",
        "type": "passive",
        "description": "Switching node; connect to inductor."
      },
      {
        "number": "B3",
        "name": "EN",
        "type": "input",
        "description": "Enable; the circuit is enabled when this pin is HIGH (VIH min 1.05 V, VIL max 0.4 V)."
      },
      {
        "number": "C1",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, the power return for the IC; return COUT with the shortest path possible to these pins."
      },
      {
        "number": "C2",
        "name": "PGND",
        "type": "power_in",
        "description": "Power ground, the power return for the IC; return COUT with the shortest path possible to these pins."
      },
      {
        "number": "C3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, the signal ground reference for the IC; connect to PGND at a single point."
      }
    ],
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        "cost_usd": 0.1032,
        "at": "2026-10-24T00:20:47"
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        "pages": 13,
        "sha256": "3a456ce8498c8ccd",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "described": 9,
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  "metadata": {
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      "Package": "WLCSP-9(1.2x1.2)",
      "Category": "Power Supply Chip",
      "Pins": "9"
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          "name": "Junction Temperature",
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          "name": "Storage Temperature",
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        {
          "name": "Lead Soldering Temperature",
          "symbol": "TL",
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          "min": null,
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          "conditions": "10 Seconds",
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          "name": "Supply Voltage",
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          "kind": "recommended_operating",
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          "typ": null,
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        {
          "name": "Maximum Output Current",
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          "unit": "mA",
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          "max": 1000,
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        {
          "name": "Ambient Temperature",
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          "min": -40,
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        {
          "name": "VIN Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 85,
          "max": 125,
          "conditions": "VIN = 3.6 V, IOUT = 0 A, EN = VIN",
          "source_page": 4,
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        {
          "name": "Shutdown Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "Shutdown: EN = 0, VIN = 3.6 V",
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        {
          "name": "Under-Voltage Lockout",
          "symbol": "VUVLO",
          "kind": "electrical",
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          "typ": 2.2,
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          "conditions": "VIN Rising",
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          "name": "Under-Voltage Lockout Hysteresis",
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        {
          "name": "Enable HIGH Voltage",
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          "kind": "electrical",
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          "min": 1.05,
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        {
          "name": "Enable LOW Voltage",
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          "max": 0.4,
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        {
          "name": "Current Sink Pull-Down",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "EN Pin, Logic HIGH",
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        {
          "name": "Low-State Active Pull-Down",
          "symbol": "RLOW",
          "kind": "electrical",
          "unit": "kOhm",
          "min": 200,
          "typ": 300,
          "max": 400,
          "conditions": "EN Pin, Logic LOW",
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        },
        {
          "name": "Output Voltage Accuracy DC",
          "symbol": "VREG",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 4,
          "conditions": "Referred to VOUT, 2.5 V ≤ VIN ≤ VOUT −150 mV",
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        {
          "name": "VIN-to-VOUT Leakage Current",
          "symbol": "ILK_OUT",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VOUT = 0, EN = 0, VIN = 4.2 V",
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        {
          "name": "VOUT-to-VIN Reverse Leakage Current",
          "symbol": "ILK",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "VOUT = 5.0 V, EN = 0, VIN = 2.5 V",
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        {
          "name": "Output Voltage Accuracy Transient",
          "symbol": "VTRSP",
          "kind": "electrical",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Referred to VOUT, 50−500 mA Load Step",
          "source_page": 4,
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        },
        {
          "name": "Switching Frequency",
          "symbol": "fSW",
          "kind": "timing",
          "unit": "MHz",
          "min": 2,
          "typ": 2.5,
          "max": 3,
          "conditions": "VIN = 3.6 V, VOUT = 5.0 V, Load = 1000 mA",
          "source_page": 4,
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        {
          "name": "Soft-Start EN HIGH to Regulation",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "us",
          "min": null,
          "typ": 600,
          "max": null,
          "conditions": "50 Ω Load, VOUT = 5.0 V",
          "source_page": 4,
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        {
          "name": "FAULT Restart Timer",
          "symbol": "tRST",
          "kind": "timing",
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          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
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          "name": "N-Channel Boost Switch RDS(ON)",
          "symbol": "RDS(ON)N",
          "kind": "electrical",
          "unit": "mOhm",
          "min": null,
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          "conditions": "VIN = 3.6 V, VOUT = 5.0 V",
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          "name": "P-Channel Sync. Rectifier RDS(ON)",
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          "name": "Boost Valley Current Limit",
          "symbol": "IV_LIM",
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          "name": "Boost Soft-Start Valley Current Limit",
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          "name": "Minimum VIN for 1000 mA Load",
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          "name": "Minimum VIN for 1500 mA Load",
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          "kind": "thermal",
          "unit": "°C/W",
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          "typ": 50,
          "max": null,
          "conditions": "four-layer 2s2p boards, JESD51",
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