LP3220SAB5F

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp3220sab5f",
  "title": "LP3220SAB5F",
  "brief": "LOWPOWER DC-DC Converters, SOT-23-5. 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",
    "lp3220sab5f"
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  "component": {
    "mpn": "LP3220SAB5F",
    "manufacturer": "LOWPOWER",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b49c6461e9c7ca0025607a8443eb9f2b.pdf",
    "parts": {
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      "lbr": "lp3220sab5f.lbr"
    },
    "distributor_links": {
      "lcsc": "C517212"
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Enable pin, active high. Pull high (VEN(H) >= 1.4V) to enable the converter; pull low (VEN(L) <= 0.4V) to force the device into low-power shutdown (<1uA total input current). Input low current 1uA max at VEN=5V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground. Return for internal control circuitry and the low-side synchronous rectifier MOSFET source. Must be tied to the system ground plane with low-impedance connection."
      },
      {
        "number": "3",
        "name": "LX",
        "type": "output",
        "description": "Switch node connection to the external inductor. Connects to the drains of the internal main P-channel and synchronous N-channel power MOSFETs. Absolute max 8.0V to GND; keep trace short to minimize EMI."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input, 2.2V to 5.5V (abs max 8.0V). Powers the internal control circuitry and the high-side P-channel MOSFET drain. Must be closely decoupled to GND with a 10uF or greater ceramic capacitor."
      },
      {
        "number": "5",
        "name": "FB/Vout",
        "type": "input",
        "description": "Feedback input. On the adjustable LP3220SAB5F variant this pin senses the divided output voltage against the internal 0.6V reference (VOUT = 0.6V x (1 + R1/R2)). On fixed-voltage variants (-12/-18/-33) this pin is tied directly to VOUT for internal feedback."
      }
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        "described": 5,
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    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
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          2.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "LOWPOWER",
      "Package": "SOT-23-5",
      "Category": "PMIC",
      "Pins": "5"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "f568f91ecbf3261b",
      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "Output Voltage Range (LP3220SAB5F)",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.61,
          "typ": null,
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        {
          "name": "Feedback Threshold Voltage Accuracy",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 0.588,
          "typ": 0.6,
          "max": 0.612,
          "conditions": "",
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        },
        {
          "name": "Input Over Voltage Protection",
          "symbol": "VIN_OVP",
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          "unit": "V",
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          "typ": 6.2,
          "max": null,
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        {
          "name": "Input OVP Hysteresis",
          "symbol": "VIN_OVPHYS",
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          "typ": 0.2,
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        },
        {
          "name": "UVLO Threshold",
          "symbol": "VUVLO",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "VIN Rising",
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        },
        {
          "name": "UVLO Hysteresis",
          "symbol": "VUV-HYS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.1,
          "max": null,
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        },
        {
          "name": "Quiescent Current",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VEN = GND",
          "source_page": 5,
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        },
        {
          "name": "P-Channel Current Limit",
          "symbol": "ILIM",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "High-Side Switch On Resistance",
          "symbol": "RDS(ON)_H",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 300,
          "max": null,
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        },
        {
          "name": "Low-Side Switch On Resistance",
          "symbol": "RDS(ON)_L",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 200,
          "max": null,
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        },
        {
          "name": "FB Leakage Current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VFB = 1.0V",
          "source_page": 5,
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        },
        {
          "name": "Oscillator Frequency",
          "symbol": "FOSC",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": 1.5,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Startup Time",
          "symbol": "TS",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 110,
          "max": null,
          "conditions": "From Enable to Output Regulation",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Over-Temperature Shutdown Threshold",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "℃",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Enable Threshold Low",
          "symbol": "VEN(L)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.4,
          "max": null,
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        {
          "name": "Enable Threshold High",
          "symbol": "VEN(H)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.4,
          "max": null,
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        {
          "name": "Input Low Current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "VEN = 5.0V",
          "source_page": 5,
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        },
        {
          "name": "Input Voltage to GND",
          "symbol": "VIN",
          "kind": "absolute_maximum",
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          "typ": null,
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        {
          "name": "LX Voltage to GND",
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        {
          "name": "Output Voltage to GND",
          "symbol": "VOUT",
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        {
          "name": "Other Pin Voltage to GND",
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          "kind": "absolute_maximum",
          "unit": "V",
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          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Maximum Soldering Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "at leads, 10 sec",
          "source_page": 4,
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        {
          "name": "ESD HBM (Human Body Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "KV",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "ESD MM (Machine Model)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
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        {
          "name": "Maximum Power Dissipation (SOT23-5)",
          "symbol": "PD",
          "kind": "thermal",
          "unit": "W",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "TA=25℃",
          "source_page": 4,
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        {
          "name": "Thermal Resistance (SOT23-5)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 250,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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  "variants": [
    {
      "mpn": "LP3220SAB5F",
      "kind": "packaging"
    },
    {
      "mpn": "LP3220SAB5F-12B5F",
      "kind": "packaging"
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    {
      "mpn": "LP3220SAB5F-18B5F",
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    {
      "mpn": "LP3220SAB5F-33B5F",
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  "updated_at": "2026-09-28T17:53:38.908Z"
}