main
Ray Set visibility: public d6b3bd9 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "lp38511mr-adj",
  "title": "LP38511MR-ADJ",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOIC-8-EP. 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)",
    "lp38511mr-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP38511MR-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8-EP",
    "pin_count": 9,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lp38511-adj",
    "parts": {
      "symbol": "lp38511mr-adj.kicad_sym",
      "footprint": "lp38511mr-adj.kicad_mod",
      "model_3d": "lp38511mr-adj-hero.glb",
      "model_3d_plain": "lp38511mr-adj-etched.glb",
      "model_3d_step": "lp38511mr-adj-etched.step",
      "model_3d_step_plain": "lp38511mr-adj.step",
      "lbr": "lp38511mr-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C2860674"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T09:49:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage pin; pins 1 and 2 share current and must be connected together."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output voltage pin; it shares current with pin 1 and must be connected to it."
      },
      {
        "number": "3",
        "name": "ADJ",
        "type": "input",
        "description": "Feedback input to the internal error amplifier that sets the output voltage; ADJ pin survival voltage is -0.3V to +6.0V."
      },
      {
        "number": "4",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the regulator."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Enable input: pull high to enable the output and low to disable it; it has no internal bias and must be tied to the input voltage or actively driven, with an enable input voltage range of 0.0V to 5.5V."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; pins 7 and 8 share current and must be connected together, with an input supply range of 2.25V to 5.5V."
      },
      {
        "number": "8",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin; it shares current with pin 7 and must be connected to it, with an input supply range of 2.25V to 5.5V."
      },
      {
        "number": "9",
        "name": "DAP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 exposed thermal pad (DAP) is not a numbered pin, so it is omitted from pins. The datasheet state; Pin types are assigned by KiCad ERC class from the datasheet function descriptions. ADJ and EN are t; The datasheet covers the 5-pin PFM (NDQ0005A) package as well. Only the SO PowerPAD pinout is extrac",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 24,
        "cost_usd": 0.0849,
        "at": "2026-10-18T09:47:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lp38511-adj",
        "pages": 24,
        "sha256": "81da2b194ed6a9f4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp38511mr-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2d6f7e774e8143e3320cbd59eb5be9f3b7864614644e3b072006e1eb05fb7fa6",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp38511mr-adj-etched.step",
        "role": "eda",
        "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": "6c4a61e5898a39ef296d982d7d8b9e846b0937c4446e53edeb547a2ad32c7649",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8-EP",
      "Category": "Power Management (PMIC)",
      "Pins": "9"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "81da2b194ed6a9f4e2bdaf037c3d35f439a1adde7bfda98ac026cd57355ed7d4",
      "rows": [
        {
          "name": "VADJ Accuracy (line regulation band)",
          "symbol": "VADJ",
          "kind": "tolerance",
          "unit": "mV",
          "min": 495,
          "typ": 500,
          "max": 505,
          "conditions": "2.25V ≤ VIN ≤ 5.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VADJ Accuracy (load band)",
          "symbol": "VADJ",
          "kind": "tolerance",
          "unit": "mV",
          "min": 490,
          "typ": 500,
          "max": 510,
          "conditions": "10 mA ≤ IOUT ≤ 800 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Dropout Voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "IOUT = 800 mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable ON Voltage Threshold",
          "symbol": "VEN(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": 1.2,
          "max": 1.5,
          "conditions": "VEN rising from <0.5V until VOUT = ON; TJ = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable ON Voltage Threshold",
          "symbol": "VEN(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.6,
          "conditions": "VEN rising from <0.5V until VOUT = ON; TJ = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable OFF Voltage Threshold",
          "symbol": "VEN(OFF)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.6,
          "typ": 1,
          "max": 1.4,
          "conditions": "VEN falling from 1.6V until VOUT = OFF; TJ = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Enable OFF Voltage Threshold",
          "symbol": "VEN(OFF)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.5,
          "typ": null,
          "max": 1.5,
          "conditions": "VEN falling from 1.6V until VOUT = OFF; TJ = -40°C to +125°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Soldering Temperature (SO PowerPad)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "SO PowerPad, 10 s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ESD Rating",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "Human body model",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Pin Voltage (Survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Pin Voltage (Survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Pin Voltage (Survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "ADJ Pin Voltage (Survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Supply Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.25,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Range VADJ to 5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Enable Input Voltage",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output Current (DC)",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient (SO PowerPad)",
          "symbol": "θJ-A",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 168,
          "max": null,
          "conditions": "SO PowerPad; junction to ambient",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Case (SO PowerPad)",
          "symbol": "θJ-C",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 11,
          "max": null,
          "conditions": "SO PowerPad; junction to case",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
  },
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "lp38511mr-adj"
  ],
  "discovery_pitch": "LP38511MR-ADJ (Texas Instruments) 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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    "lp38511mr-adj.step",
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    "lp38511mr-adj-hero.overlay.json",
    "lp38511mr-adj-etched.glb"
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  "visibility": {
    "public": true
  }
}