BL8072CLTR33

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  "type": "component",
  "slug": "bl8072cltr33",
  "title": "BL8072CLTR33",
  "brief": "BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
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  "component": {
    "mpn": "BL8072CLTR33",
    "manufacturer": "BL Shanghai Belling",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/48e50a17fc9cbf143d724608208b3eb0.pdf",
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    "distributor_links": {
      "lcsc": "C843780"
    },
    "pins": [
      {
        "number": "1",
        "name": "Vss/ADJ",
        "type": "power_in",
        "description": "Ground / adjust pin. Tie to GND for fixed-voltage operation. In adjustable mode, connect the mid-point of the external resistor divider (R1 to Vout, R2 to GND) here to set Vout = Vref × (1 + R2/R1). Adjust pin current I_ADJ is typically ~2 µA. R1 is normally 1 kΩ-10 kΩ; a 0.1 µF ceramic bypass cap between this pin and GND improves ripple rejection."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output. Delivers up to 2 A within ±2% of the nominal set voltage (customized 1.2V-5.0V in 0.1V steps; this suffix -33 => 3.3V). A 1 µF ceramic output capacitor to GND is required for stability. Typical dropout is 850 mV at 1.5 A for Vout ≥ 2.0V."
      },
      {
        "number": "3",
        "name": "VDD",
        "type": "power_in",
        "description": "Unregulated input supply. Recommended operating range up to 18V (absolute max 20V). Requires a 1 µF ceramic bypass capacitor to GND placed close to the pin. Input must exceed Vout by at least the dropout voltage to maintain regulation."
      }
    ],
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        "pages": 7,
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -3.15,
        -2.3
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",
      "mark": "drawn"
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        "seat": "z = 0",
        "extents_mm": [
          7.0,
          6.5,
          1.7
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "BL Shanghai Belling",
      "Package": "SOT-223-3",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "Input Voltage",
          "symbol": "Vin",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Output Current",
          "symbol": "Iout(Max.)",
          "kind": "electrical",
          "unit": "A",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Vin-Vout=1V, Vout≥2.0V (shared 2 A value; relational symbols lost in extraction)",
          "source_page": 3,
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        },
        {
          "name": "Dropout Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 850,
          "max": 950,
          "conditions": "Iout=1.5A, Vout≥2.0V (relational symbols lost in extraction)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.1,
          "max": 0.3,
          "conditions": "Iout=10mA; Set Vout+1V≤Vin≤18V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "1mA≤Iout≤1.5A, Vout≥2.0V",
          "source_page": 3,
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        },
        {
          "name": "Quiescent Current",
          "symbol": "Iq",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 3,
          "max": 5,
          "conditions": "Vin=Set Vout+1V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Temperature Coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/C",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Iout=100mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Default accuracy (no accuracy suffix in MPN)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Max Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature",
          "symbol": "Ta",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "Ts",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
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        },
        {
          "name": "Lead Temperature & Time",
          "symbol": "",
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          "unit": "C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 S",
          "source_page": 2,
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        },
        {
          "name": "Input Voltage Range (recommended)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ambient Temperature (recommended)",
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          "unit": "C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance junction to case (SOT-223)",
          "symbol": "θJC",
          "kind": "thermal",
          "unit": "C / W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Junction to case, SOT-223 package",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Package Thermal Resistance (SOT-223)",
          "symbol": "",
          "kind": "thermal",
          "unit": "C / W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Listed in Absolute Maximum Rating table; reference point not stated",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "BL8072CLTR33 (BL Shanghai Belling) component page with datasheet-verified CAD.",
  "author": {
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    "email": "[email protected]"
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      "mpn": "BL8072CLTR33",
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    {
      "mpn": "BL8072CLTR33COTR",
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  "updated_at": "2026-09-24T17:53:16.183Z"
}