LM317MSTT3G

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  "title": "LM317MSTT3G",
  "brief": "onsemi DC-DC Converters, SOT-223-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "LM317MSTT3G",
    "manufacturer": "onsemi",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
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      "lcsc": "C894888",
      "digikey": "LM317MSTT3GOSTR-ND",
      "mouser": "863-LM317MSTT3G"
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    "pins": [
      {
        "number": "1",
        "name": "ADJUST",
        "type": "input",
        "description": "Adjustment terminal sets the output voltage through the R1/R2 divider; IAdj is controlled to less than 100 µA, and an optional CAdj from this pin to ground improves ripple rejection."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output of the adjustable regulator, adjustable from 1.2 V to 37 V and capable of supplying more than 500 mA; the heatsink surface is connected to this pin."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply; the input-output voltage differential must not exceed 40 Vdc, and a 0.1 µF input bypass capacitor (Cin) is recommended when the regulator is far from the supply filter."
      }
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOT-223-3",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
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    "characteristics": {
      "version": 1,
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          "name": "Input-Output Voltage Differential",
          "symbol": "VI−VO",
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          "unit": "Vdc",
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          "max": 40,
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        {
          "name": "Maximum Junction Temperature",
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        {
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        {
          "name": "Load Regulation (VO ≤ 5.0 V)",
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          "max": 25,
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          "name": "Load Regulation (VO ≥ 5.0 V)",
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        {
          "name": "Adjustment Pin Current",
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          "kind": "electrical",
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        {
          "name": "Reference Voltage",
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          "kind": "electrical",
          "unit": "V",
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        {
          "name": "Line Regulation",
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          "unit": "%/V",
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          "typ": 0.02,
          "max": 0.07,
          "conditions": "3.0 V ≤ VI−VO ≤ 40 V (Note 3)",
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        {
          "name": "Load Regulation (VO ≤ 5.0 V)",
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          "kind": "electrical",
          "unit": "mV",
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          "max": 70,
          "conditions": "10 mA ≤ IO ≤ 0.5 A (Note 3), VO ≤ 5.0 V",
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          "name": "Load Regulation (VO ≥ 5.0 V)",
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          "max": 1.5,
          "conditions": "10 mA ≤ IO ≤ 0.5 A (Note 3), VO ≥ 5.0 V",
          "source_page": 2,
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        {
          "name": "Minimum Load Current to Maintain Regulation",
          "symbol": "ILmin",
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          "unit": "mA",
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          "max": 10,
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        {
          "name": "Maximum Output Current (VI − VO ≤ 15 V)",
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        {
          "name": "Maximum Output Current (VI − VO = 40 V)",
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          "kind": "electrical",
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          "min": 0.15,
          "typ": 0.25,
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          "conditions": "VI − VO = 40 V, PD ≤ Pmax, TA = 25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection (without CAdj)",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 66,
          "typ": 80,
          "max": null,
          "conditions": "VO = 10 V, f = 120 Hz (Note 4), without CAdj",
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          "name": "Ripple Rejection (CAdj = 10 μF)",
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          "conditions": "TJ = Thigh (Note 6); TA = 25°C for End-point Measurements",
          "source_page": 2,
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        {
          "name": "Operating Junction Temperature Range (LM317M)",
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          "min": 0,
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          "conditions": "Tlow to Thigh = 0° to +125°C for LM317M (Note 2)",
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          "name": "Thermal Resistance, Junction-to-Air (SOT-223, ST suffix)",
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          "unit": "°C/W",
          "min": null,
          "typ": 245,
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          "conditions": "ST Suffix, Case 318E, TA = 25°C",
          "source_page": 2,
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        {
          "name": "Thermal Resistance, Junction-to-Case (SOT-223, ST suffix)",
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          "unit": "°C/W",
          "min": null,
          "typ": 15,
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          "conditions": "ST Suffix, Case 318E",
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