LM317LIPW

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  "slug": "lm317lipw",
  "title": "LM317LIPW",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TSSOP-8. 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 management (pmic)",
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  "component": {
    "mpn": "LM317LIPW",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm317l",
    "parts": {
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      "lbr": "lm317lipw.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870315",
      "digikey": "296-49701-ND",
      "mouser": "595-LM317LIPW"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T11:27:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49701-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "595-LM317LIPW",
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    },
    "pins": [
      {
        "number": "1",
        "name": "INPUT",
        "type": "power_in",
        "description": "Unregulated supply input; the datasheet recommends an input-to-output differential of 2.5 V to 37 V and gives an absolute maximum input-to-output differential of 45 V for the new die (CSO: RFB)."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "4",
        "name": "ADJUSTMENT",
        "type": "input",
        "description": "Feedback (adjust) terminal that sets the output voltage through an external two-resistor divider, with the output held 1.22 V to 1.292 V above this pin for the new die (1.25 V nominal) and an adjustment current typically 44 µA."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "6",
        "name": "OUTPUT",
        "type": "power_out",
        "description": "Regulated output that supplies 2.5 mA to 100 mA of load current across the 1.25 V to 37 V output range, with the output pins internally connected to one another."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; the datasheet recommends grounding this pin for better thermal performance but states it is not required."
      }
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The page 3 PW pin drawing text is garbled in the extraction. Pin assignments were taken from Table 4; The datasheet lists the TSSOP (PW) package as available for legacy die only (CSO: SHE/TID). Its ther; The ADJUSTMENT pin type is set to 'input' because Table 4-1 classifies it as I (feedback input). The"
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        "cost_usd": 0.1049,
        "at": "2026-10-11T11:27:28"
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        "pages": 39,
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      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "characteristics": {
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          "symbol": "",
          "kind": "tolerance",
          "unit": "%/V",
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          "typ": 0.01,
          "max": 0.02,
          "conditions": "VI – VO = 5V 至 35V, TJ = 25°C",
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          "name": "Ripple rejection",
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        },
        {
          "name": "Output voltage change with temperature",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "mV/V",
          "min": null,
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          "conditions": "TJ = 0°C 至 125°C",
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        },
        {
          "name": "Long-term drift",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV/V",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "1000 小时后，TJ = 125°C 且 VI – VO = 35V",
          "source_page": 6,
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        },
        {
          "name": "Output noise voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "µV/V",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "f = 10Hz 至 10kHz，TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Minimum output current to maintain regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 2.5,
          "conditions": "VI – VO = 35V",
          "source_page": 6,
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          "name": "Peak output current",
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          "conditions": "VI – VO ≤ 35V",
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          "name": "Adjustment pin current",
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          "name": "Adjustment pin current change",
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          "name": "Reference voltage (output to adjust)",
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          "min": 1.2,
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          "name": "Operating junction temperature",
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          "typ": null,
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          "conditions": "LM317LI",
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          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
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          "conditions": "旧芯片 (CSO:SHE)",
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        {
          "name": "Junction-to-ambient thermal resistance (TSSOP, 8-pin, PW)",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 149.4,
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          "source_page": 5,
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