main
Ray Set visibility: public bd8dc50 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2931az-5-0g",
  "title": "LM2931AZ-5.0G",
  "brief": "onsemi Linear Voltage Regulators (LDO), TO-92. 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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  "component": {
    "mpn": "LM2931AZ-5.0G",
    "manufacturer": "onsemi",
    "package": "TO-92",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/lm2931az-5.0-d.pdf",
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      "lbr": "lm2931az-5-0g.lbr"
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    "distributor_links": {
      "lcsc": "C152534",
      "digikey": "LM2931AZ-5.0GOS-ND",
      "mouser": "863-LM2931AZ-5.0G"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM2931AZ-5.0GOS-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "863-LM2931AZ-5.0G",
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        "number": "1",
        "name": "Output",
        "type": "power_out",
        "description": "Regulated output; the datasheet states output currents in excess of 100 mA with an input-to-output differential of less than 0.6 V at 100 mA."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet gives no specific voltage or current limit for this pin."
      },
      {
        "number": "3",
        "name": "Input",
        "type": "power_in",
        "description": "Unregulated input; the datasheet gives a continuous maximum of 40 Vdc, transient input of 60 Vpk for 100 ms or less, and transient reverse polarity of -50 Vpk."
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        "cost_usd": 0.1031,
        "at": "2026-10-29T03:50:52"
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        "pages": 27,
        "sha256": "9f2cdb10f8dd5cdd",
        "source_tier": "mfr"
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      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": -2.5,
        "centre_offset_mm": 0.542,
        "footprint_binding": "identity",
        "sha256": "f0b61c32ecbf0067157adc5a3d4966ceadf5d6dafe93c51af35f76c41c71a54a",
        "checked": "2026-10-29",
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TO-92",
      "Category": "Power Management ICs",
      "Pins": "3"
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    "characteristics": {
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          "kind": "electrical",
          "unit": "V",
          "min": 4.81,
          "typ": 5,
          "max": 5.19,
          "conditions": "Vin = 14 V, IO = 10 mA, TA = 25°C",
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          "kind": "electrical",
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          "min": 4.75,
          "typ": null,
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          "conditions": "Vin = 6.0 V to 26 V, IO ≤ 100 mA, TA = −40° to +125°C",
          "source_page": 4,
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        {
          "name": "Line Regulation",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
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          "typ": 2,
          "max": 10,
          "conditions": "Vin = 9.0 V to 16 V",
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          "name": "Line Regulation",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4,
          "max": 30,
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        {
          "name": "Load Regulation",
          "symbol": "Regload",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 14,
          "max": 50,
          "conditions": "IO = 5.0 mA to 100 mA",
          "source_page": 4,
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        },
        {
          "name": "Bias Current",
          "symbol": "IB",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.8,
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          "conditions": "Vin = 14 V, IO = 100 mA, TA = 25°C",
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          "name": "Ripple Rejection",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 60,
          "typ": 90,
          "max": null,
          "conditions": "f = 120 Hz",
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        },
        {
          "name": "Dropout Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.015,
          "max": 0.2,
          "conditions": "IO = 10 mA",
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          "name": "Dropout Voltage",
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          "kind": "electrical",
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          "min": null,
          "typ": 0.16,
          "max": 0.6,
          "conditions": "IO = 100 mA",
          "source_page": 4,
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        },
        {
          "name": "Over-Voltage Shutdown Threshold",
          "symbol": "Vth(OV)",
          "kind": "electrical",
          "unit": "V",
          "min": 26,
          "typ": 29.5,
          "max": 40,
          "conditions": "",
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        },
        {
          "name": "Output Voltage with Reverse Polarity Input",
          "symbol": "−VO",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": 0,
          "max": null,
          "conditions": "Vin = −15 V",
          "source_page": 4,
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        },
        {
          "name": "Output Impedance",
          "symbol": "ZO",
          "kind": "electrical",
          "unit": "mΩ",
          "min": null,
          "typ": 200,
          "max": null,
          "conditions": "IO = 10 mA, IO = 1.0 mA, f = 100 Hz to 10 kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Noise Voltage",
          "symbol": "Vn",
          "kind": "electrical",
          "unit": "Vrms",
          "min": null,
          "typ": 700,
          "max": null,
          "conditions": "f = 10 Hz to 100 kHz",
          "source_page": 4,
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          "name": "Long Term Stability",
          "symbol": "S",
          "kind": "electrical",
          "unit": "mV/kHR",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Continuous Input Voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "Vdc",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "Continuous",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Maximum Transient Input Voltage",
          "symbol": "VI()",
          "kind": "absolute_maximum",
          "unit": "Vpk",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "≤ 100 ms",
          "source_page": 3,
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          "name": "Maximum Transient Reverse Polarity Input Voltage",
          "symbol": "−VI()",
          "kind": "absolute_maximum",
          "unit": "Vpk",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "1.0% duty cycle, ≤ 100 ms",
          "source_page": 3,
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        {
          "name": "ESD Human Body Model",
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          "conditions": "HBM, JESD22 A114-C, Class 2",
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        {
          "name": "ESD Machine Model",
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          "conditions": "MM, JESD22 A115-A, Class A",
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        {
          "name": "ESD Charged Device Model",
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        {
          "name": "Thermal Resistance, Junction-to-Ambient",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 178,
          "max": null,
          "conditions": "Case 29 (TO-92 Type)",
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          "name": "Thermal Resistance, Junction-to-Case",
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          "unit": "°C/W",
          "min": null,
          "typ": 83,
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          "conditions": "Case 29 (TO-92 Type)",
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        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Operating Die Junction Temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
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