RC1117-3.3

{
  "schema_version": 1,
  "type": "component",
  "slug": "rc1117-3-3",
  "title": "RC1117-3.3",
  "brief": "RealChip(正芯半导体) Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. 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)",
    "rc1117-3.3",
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  "component": {
    "mpn": "RC1117-3.3",
    "manufacturer": "RealChip(正芯半导体)",
    "package": "SOT-89",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603346336960307200",
    "parts": {
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      "lbr": "rc1117-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C22399961"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:57:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin on the fixed 3.3V version (labelled Adj(GND), the adjust pin on the ADJ version); the block diagram shows it as GND (FIXED)."
      },
      {
        "number": "2",
        "name": "Vout",
        "type": "power_out",
        "description": "Regulated output of 3.3V (3.234 to 3.366V) at 0 to 800mA load, with a 1.25 to 1.6A current limit."
      },
      {
        "number": "3",
        "name": "Vin",
        "type": "power_in",
        "description": "Input supply pin with an absolute maximum of 18V, requiring Vin-Vout of at least 4.75V for the 3.3V version's stated regulation conditions."
      }
    ],
    "provenance": {
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 1 is labelled Adj(GND) in the datasheet, so it is GND on fixed versions and Adj on the adjustabl",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.0749,
        "at": "2026-10-20T09:57:38"
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        "pages": 3,
        "sha256": "010557f6c11f3c4c",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0.05,
        "footprint_binding": "identity",
        "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
        "checked": "2026-10-20",
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        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "RealChip(正芯半导体)",
      "Package": "SOT-89",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "010557f6c11f3c4ccfcfa46417af512c59af3d2e550e2b2384a08441c3499ff1",
      "rows": [
        {
          "name": "Reference Voltage (output voltage, RC1117-3.3V)",
          "symbol": "Vref",
          "kind": "electrical",
          "unit": "V",
          "min": 3.234,
          "typ": 3.3,
          "max": 3.366,
          "conditions": "0≤Iout≤800mA, 4.75V≤Vin-Vout≤12V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation",
          "symbol": "△Vout",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.035,
          "max": 0.2,
          "conditions": "Iout=10mA,1.5V≤Vin-Vout≤13.775V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (RC1117-3.3V)",
          "symbol": "△Vout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 9,
          "max": 12,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (RC1117-3.3V)",
          "symbol": "△Vout",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "Vin=4.75V,0≤Iout≤800mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.11,
          "max": 1.2,
          "conditions": "△Vout,△Vref=1%,Iout=100mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.18,
          "max": 1.25,
          "conditions": "△Vout,△Vref=1%,Iout=500mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.26,
          "max": 1.3,
          "conditions": "△Vout,△Vref=1%,Iout=800mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current Limit (RC1117-XXX)",
          "symbol": "Ilimit",
          "kind": "electrical",
          "unit": "A",
          "min": 1.25,
          "typ": 1.4,
          "max": 1.6,
          "conditions": "VIN-VOUT = 5V,Tj=25℃",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current (RC1117-3.3V)",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 8,
          "conditions": "Vin-Vout=1.25V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TST",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "RC1117-3.3 (RealChip(正芯半导体)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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