SSP1117-ADJ

{
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  "type": "component",
  "slug": "ssp1117-adj",
  "title": "SSP1117-ADJ",
  "brief": "Shanghai Siproin Microelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.",
  "version": "0.3.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "SSP1117-ADJ",
    "build_note": "3D generated from the datasheet; KiCad's model does not fit this maker's body.",
    "manufacturer": "Shanghai Siproin Microelectronics",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "PMIC",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/76cfa0608105cd267adda7d862cff5c4.pdf",
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      "lbr": "ssp1117-adj.lbr"
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    "distributor_links": {
      "lcsc": "C277894"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T17:38:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "Adj/Gnd",
        "type": "input",
        "description": "Adjust pin. Feedback input for the internal 1.25V reference; connect the top of the external resistor divider (R2 to Vout, R1 to GND) so that Vout = 1.25 * (1 + R2/R1) + IAdj*R2. IAdj is typically ~50uA. A bypass capacitor to GND on this pin improves ripple rejection."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output voltage, up to 1.0A. For the ADJ version, output is programmable from 1.25V to 12V. Recommend a 10uF tantalum capacitor to GND for stability."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Unregulated input supply, up to 20V absolute maximum. Recommend a 10uF tantalum bypass capacitor to GND. Dropout voltage is 1.3V typical at 1A load."
      }
    ],
    "provenance": {
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      "datasheet": {
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        "pages": 9,
        "sha256": "4c5a7e0e0fbea4b3",
        "source_tier": "mfr"
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      "cad": "land: KiCad official (CC-BY-SA 4.0); 3D: generated from the datasheet",
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        "height_mm": 1.66,
        "height_basis": "datasheet A, nominal",
        "standoff_mm": 0.05,
        "standoff_basis": "datasheet A1, nominal",
        "lead_width_mm": 0.9,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 2.30 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.2,
        "lead_thickness_basis": "default for pitch 2.30 mm, height 1.66 mm (no datasheet c read)"
      },
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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    "viewers": {
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        "extents_mm": [
          6.95,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "62cd6100ec8e09fe8e1226cdc31c3fbeafb016efd8a9c335600b55679f6deae6",
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    ],
    "package_dims": {
      "package_code": "SOT223 (Siproin Package Information)",
      "source_page": 7,
      "D": {
        "nom_mm": 6.3,
        "range_mm": [
          6.2,
          6.4
        ]
      },
      "E1": {
        "nom_mm": 3.5,
        "range_mm": [
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        "range_mm": [
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      "A": {
        "nom_mm": 1.66,
        "range_mm": [
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          1.8
        ]
      },
      "A1": {
        "nom_mm": 0.05,
        "range_mm": [
          0,
          0.1
        ]
      },
      "source": "reviewer dims decision (part-reviewer (ray review, ssp1117-adj model fit), ssp1117-adj.dims.json)",
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        "verdict": "PASS",
        "reasons": [
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Shanghai Siproin Microelectronics",
      "Package": "SOT-223",
      "Category": "PMIC",
      "Pins": "3"
    },
    "characteristics": {
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      "source": "datasheet",
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      "rows": [
        {
          "name": "Max input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Max operating junction temperature",
          "symbol": "θTj",
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          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
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        {
          "name": "Ambient temperature",
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          "unit": "℃",
          "min": -40,
          "typ": null,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
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          "unit": "℃",
          "min": -40,
          "typ": null,
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          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Lead temperature and time",
          "symbol": "TSOLD，R",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 S",
          "source_page": 3,
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        },
        {
          "name": "Output voltage accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Trimmed output voltage accuracy stated as 'within 2%'; interpreted as ±2%",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Adjustable output voltage range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.25,
          "typ": null,
          "max": 12,
          "conditions": "Adjustable version, set with two external resistors",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input voltage operating range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
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          "typ": null,
          "max": 20,
          "conditions": "Range of operation input voltage (stated as 'Max 20V')",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "R1 maximum value",
          "symbol": "R1",
          "kind": "recommended_operating",
          "unit": "ohm",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "ADJ version stable at load current about 2 mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Reference temperature coefficient",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/°C",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Bandgap reference, stated as under 100 ppm/°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": null,
          "conditions": "At 1 A load current",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standby current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.03,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "%/A",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Adjust pin current",
          "symbol": "IAdj",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "Stated as about 50uA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance, SOT-223",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "SOT-223 package, thermal information rating",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Total thermal resistance without good PCB heat-dissipation copper",
          "symbol": "",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "Stated as 'as high as 120°C/W' with no good heat-dissipation copper on PCB",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
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  "author": {
    "name": "Ray"
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