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Ray Set visibility: public 42ca99a 11d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "lt1121cst-5-pbf",
  "title": "LT1121CST-5#PBF",
  "brief": "Analog Devices Linear Voltage Regulators (LDO), SOT-223-3. 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 ics",
    "lt1121cst-5#pbf",
    "factory-2.0.0",
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  ],
  "component": {
    "mpn": "LT1121CST-5#PBF",
    "manufacturer": "Analog Devices",
    "package": "SOT-223-3",
    "pin_count": 3,
    "category": "Power Management ICs",
    "subcategory": "Linear Voltage Regulators (LDO)",
    "datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/1121fg.pdf",
    "parts": {
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      "model_3d_plain": "lt1121cst-5-pbf-etched.glb",
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      "model_3d_step_plain": "lt1121cst-5-pbf.step",
      "lbr": "lt1121cst-5-pbf.lbr"
    },
    "distributor_links": {
      "lcsc": "C661285",
      "digikey": "505-LT1121CST-5#PBF-ND",
      "mouser": "584-LT1121CST-5#PBF"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "505-LT1121CST-5#PBF-ND",
        "status": "found"
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      "mouser": {
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        "name": "VIN",
        "type": "power_in",
        "description": "Input supply pin, rated for 30V maximum on the LT1121 and protected against reverse input voltage, and should be bypassed with 0.1µF to 1µF if more than six inches from the main input filter capacitor."
      },
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        "name": "GND",
        "type": "power_in",
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        "number": "3",
        "name": "OUT",
        "type": "power_out",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "pages_sent": 16,
        "cost_usd": 0.0265,
        "at": "2026-10-28T15:57:03"
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        "pages": 16,
        "sha256": "326db42fecefd774",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
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        "cites_pages": true,
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        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
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      "Package": "SOT-223-3",
      "Category": "Power Management ICs",
      "Pins": "3"
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        {
          "name": "Ground Pin Current",
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          "kind": "electrical",
          "unit": "µA",
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        {
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          "name": "Shutdown Threshold (Off to On)",
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          "max": 10,
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        {
          "name": "Quiescent Current in Shutdown",
          "symbol": "IQ",
          "kind": "electrical",
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          "min": null,
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          "max": 22,
          "conditions": "VIN = 6V, VSHDN = 0V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Ripple Rejection",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 50,
          "typ": 58,
          "max": null,
          "conditions": "VIN – VOUT = 1V (Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 0.1A",
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          "source": "datasheet"
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        {
          "name": "Current Limit",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
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          "conditions": "VIN – VOUT = 7V, TJ = 25ºC",
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        },
        {
          "name": "Input Reverse Leakage Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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          "max": 1,
          "conditions": "VIN = –20V, VOUT = 0V, full operating temperature range",
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          "name": "Reverse Output Current (LT1121-5)",
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          "conditions": "VOUT = 5V, VIN = 0V",
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        {
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          "source_page": 2,
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        {
          "name": "Output Pin Reverse Current",
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          "source_page": 2,
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          "conditions": "ST package, TJMAX = 150°C",
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          "name": "Thermal Resistance Junction-to-Tab (SOT-223)",
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          "typ": 20,
          "max": null,
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          "source_page": 10,
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