main
Ray Set visibility: public 3ea1921 14d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "hlm337imp",
  "title": "HLM337IMP",
  "brief": "HXY MOSFET Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "hlm337imp",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HLM337IMP",
    "manufacturer": "HXY MOSFET",
    "package": "SOT-223",
    "pin_count": 3,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010713887784960",
    "parts": {
      "symbol": "hlm337imp.kicad_sym",
      "footprint": "hlm337imp.kicad_mod",
      "model_3d": "hlm337imp-hero.glb",
      "model_3d_plain": "hlm337imp-etched.glb",
      "model_3d_step": "hlm337imp-etched.step",
      "model_3d_step_plain": "hlm337imp.step",
      "lbr": "hlm337imp.lbr"
    },
    "distributor_links": {
      "lcsc": "C22449577"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T09:01:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "input",
        "description": "Adjustment pin; the output voltage is set by two external resistors (120 Ω and R2) with this pin and a 10 µF CADJ may be connected from it to ground for ripple rejection."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Negative input voltage; the input-output differential |VI - VO| is limited to 40 V maximum."
      },
      {
        "number": "3",
        "name": "VOUT",
        "type": "power_out",
        "description": "Negative regulated output voltage from -1.25 V to -37 V at up to 1.5 A, requiring an output capacitor of at least 1 µF tantalum or 10 µF aluminum electrolytic for stability."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet lists the MPN as HLM337IMP/NOPB in SOT-223. The pin table gives pins 1, 2 and 3 as ADJ; The ADJ pin type is set to input, which is a judgement call. The datasheet describes the pin only as",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0993,
        "at": "2026-10-20T09:00:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603010713887784960",
        "pages": 6,
        "sha256": "0fe810a7f01a36ac",
        "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"
    },
    "models_3d": [
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        "file": "hlm337imp.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          6.5,
          1.7
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hlm337imp-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a5588d66cc50880c8cd68729e8f477cf08f1878c060615c2f02475852fa58602",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOT-223",
      "Category": "Power Management (PMIC)",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0fe810a7f01a36ac15aa54ef2aca87f8fb02d34204f2a036e4ee71b829158951",
      "rows": [
        {
          "name": "Line Regulation (Note1)",
          "symbol": "Rline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.01,
          "max": 0.05,
          "conditions": "TA = +25°C; 3V ≤ |VI - VO| ≤ 40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Line Regulation (Note1)",
          "symbol": "Rline",
          "kind": "electrical",
          "unit": "%/V",
          "min": null,
          "typ": 0.02,
          "max": 0.07,
          "conditions": "3V ≤ |VI - VO| ≤ 40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (Note1)",
          "symbol": "Rload",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "TA = +25°C; 10mA ≤ IO ≤ 0.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Load Regulation (Note1)",
          "symbol": "Rload",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1.5,
          "conditions": "10mA ≤ IO ≤ 1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjustable Pin Current",
          "symbol": "IADJ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 65,
          "max": 100,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Adjustable Pin Current Change",
          "symbol": "ΔIADJ",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "TA = +25°C; 10mA ≤ IO ≤ 1.5A; 3V ≤ |VI - VO| ≤ 40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": -1.225,
          "typ": -1.25,
          "max": -1.275,
          "conditions": "3V ≤ |VI - VO| ≤ 40V; 10mA ≤ IO ≤ 1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Reference Voltage",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": -1.2,
          "typ": -1.25,
          "max": -1.3,
          "conditions": "3V ≤ |VI - VO| ≤ 40V; 10mA ≤ IO ≤ 1.5A",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current to Maintain Regulation",
          "symbol": "IL(MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.5,
          "max": 5,
          "conditions": "3V ≤ |VI - VO| ≤ 40V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum Load Current to Maintain Regulation",
          "symbol": "IL(MIN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.2,
          "max": 3,
          "conditions": "3V ≤ |VI - VO| ≤ 10V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection Ratio",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": 66,
          "typ": 77,
          "max": null,
          "conditions": "VO = -10V, f = 120Hz; CADJ = 10µF (Note2)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Long Term Stability",
          "symbol": "ST",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.3,
          "max": 1,
          "conditions": "TJ = 125°C, 1000 Hours",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temperature Stability",
          "symbol": "ST",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.6,
          "max": null,
          "conditions": "0°C ≤ TJ ≤ +125°C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Noise",
          "symbol": "eN",
          "kind": "electrical",
          "unit": "V/106",
          "min": null,
          "typ": 0.003,
          "max": null,
          "conditions": "TA = +25°C; 10Hz ≤ f ≤ 10KHz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Ripple Rejection Ratio",
          "symbol": "RR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VO = -10V, f = 120Hz",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Case",
          "symbol": "RθJC",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input-Output Voltage Differential",
          "symbol": "|VI - VO|",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "TOPR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hlm337imp"
  ],
  "discovery_pitch": "HLM337IMP (HXY MOSFET) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "hlm337imp-hero.overlay.json",
    "hlm337imp-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}