main
Ray Set visibility: public cf2056a 8d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ht1117am-3-3",
  "title": "HT1117AM-3.3",
  "brief": "HTCSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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": "HT1117AM-3.3",
    "manufacturer": "HTCSEMI",
    "package": "TO-252",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603106886502146048",
    "parts": {
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      "footprint": "ht1117am-3-3.kicad_mod",
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      "model_3d_plain": "ht1117am-3-3-etched.glb",
      "model_3d_step": "ht1117am-3-3-etched.step",
      "model_3d_step_plain": "ht1117am-3-3.step",
      "lbr": "ht1117am-3-3.lbr"
    },
    "distributor_links": {
      "lcsc": "C5366661"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:24:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ/GND",
        "type": "power_in",
        "description": "Adjust/ground pin, which is the ground reference for the fixed-output HT1117AM-3.3 (shown as the ground connection in the fixed output regulator figure); the datasheet gives no separate electrical limit for this pin."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "power_out",
        "description": "Regulated output, and the heatsink tab is connected to this pin; output current must not exceed 1.0 A when Vin is greater than 12 V, and the output short-circuit duration is stated as infinite."
      },
      {
        "number": "3",
        "name": "VIN",
        "type": "power_in",
        "description": "Unregulated input supply, with a maximum input voltage of 20 V and a 1.4 V minimum input-to-output differential for regulation; a 10 µF input bypass capacitor is recommended."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The DPAK/TO-252 pin list is given once for the family (Pin 1 Adjust/Ground, Pin 2 Output, Pin 3 Inpu; Pin 1 is labelled ADJ/GND in the datasheet. For the fixed-voltage HT1117AM-3.3 it is the ground pin,; The heatsink tab is electrically Pin 2 (output) but is not a separately numbered pin in the TO-252 l"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0806,
        "at": "2026-10-19T05:22:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603106886502146048",
        "pages": 16,
        "sha256": "2326163a9bda347d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht1117am-3-3-etched.step",
        "role": "eda",
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        "sha256": "2c325c7fb99225066bb910f8e6ff20812326b37131fb136be7d27dfde926e0df",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "TO-252",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2326163a9bda347d453e53a75b86c02859d79b8e448cc1faa122d5a9177e8d42",
      "rows": [
        {
          "name": "Output Voltage, Fixed 3.3 V (Iout = 10 mA, TA = 25 °C)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 3.267,
          "typ": 3.3,
          "max": 3.333,
          "conditions": "Vin = 5.3 V, Iout = 10 mA, TA = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage, Fixed 3.3 V (over line and load)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 3.235,
          "typ": null,
          "max": 3.365,
          "conditions": "Vin = 4.75 V to 10 V, Iout = 0 mA to 800 mA (Note 4)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation, Fixed 3.3 V",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.8,
          "max": 4.5,
          "conditions": "Vin = 4.75 V to 15 V, Iout = 0 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation, Fixed 3.3 V",
          "symbol": "Regline",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 4.3,
          "max": 10,
          "conditions": "Iout = 0 mA to 800 mA, Vin = 4.75 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at Iout = 100 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.95,
          "max": 1.1,
          "conditions": "Measured at Vout − 100 mV, Iout = 100 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at Iout = 500 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.01,
          "max": 1.15,
          "conditions": "Measured at Vout − 100 mV, Iout = 500 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage at Iout = 800 mA",
          "symbol": "Vin-Vout",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.07,
          "max": 1.2,
          "conditions": "Measured at Vout − 100 mV, Iout = 800 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current Limit",
          "symbol": "Iout",
          "kind": "electrical",
          "unit": "mA",
          "min": 1000,
          "typ": 1500,
          "max": 2200,
          "conditions": "Vin−Vout = 5.0 V, TA = 25°C (Note 6)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Current, 3.3 V",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "Vin = 15 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Regulation",
          "symbol": "",
          "kind": "thermal",
          "unit": "%/W",
          "min": null,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "TA = 25°C, 30 ms pulse",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Note 1",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Die Junction Temperature Range",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Ambient (DPAK)",
          "symbol": "RJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 67,
          "max": null,
          "conditions": "DPAK (Case 369A), minimum size pad, 2.0 oz copper",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance, Junction-to-Case (DPAK)",
          "symbol": "RJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 6,
          "max": null,
          "conditions": "DPAK (Case 369A)",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "HT1117AM-3.3 (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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