LP38853MRX-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lp38853mrx-adj",
  "title": "LP38853MRX-ADJ",
  "brief": "Texas Instruments Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SO-8. 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)",
    "lp38853mrx-adj",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LP38853MRX-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "SO-8",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lp38853.pdf",
    "parts": {
      "symbol": "lp38853mrx-adj.kicad_sym",
      "footprint": "lp38853mrx-adj.kicad_mod",
      "model_3d": "lp38853mrx-adj-hero.glb",
      "model_3d_plain": "lp38853mrx-adj-etched.glb",
      "model_3d_step": "lp38853mrx-adj-etched.step",
      "model_3d_step_plain": "lp38853mrx-adj.step",
      "lbr": "lp38853mrx-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C2877979",
      "digikey": "LP38853MRX-ADJ-ND",
      "mouser": "926-LP38853MRX-ADJ"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:17:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LP38853MRX-ADJ-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "926-LP38853MRX-ADJ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ADJ",
        "type": "output",
        "description": "The feedback connection to set the output voltage."
      },
      {
        "number": "2",
        "name": "OUT",
        "type": "output",
        "description": "The regulated output voltage."
      },
      {
        "number": "3",
        "name": "BIAS",
        "type": "input",
        "description": "The supply for the internal control and reference circuitry."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "SS",
        "type": "output",
        "description": "Soft-start capacitor connection. Used to control the rise time of VOUT at turnon."
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Device enable, High = On, Low = Off."
      },
      {
        "number": "7",
        "name": "IN",
        "type": "input",
        "description": "The unregulated voltage input."
      },
      {
        "number": "8",
        "name": "N/C",
        "type": "unconnected",
        "description": "No internal connection."
      }
    ],
    "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 SO PowerPAD DAP is a thermal connection only with no printed pin number, so it is listed under i"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0169,
        "at": "2026-11-05T23:17:47"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lp38853.pdf",
        "pages": 34,
        "sha256": "e20037b18b97e456",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lp38853mrx-adj.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lp38853mrx-adj-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cf1f995470dbf6a712e80d5e3c7b13f15f64d841e645b53fd43aeeaed1ef7bf0",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SO-8",
      "Category": "Power Management (PMIC)",
      "Pins": "8"
    },
    "appearance": {
      "housing": {
        "quote": "V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. T",
        "page": 4,
        "doc": "ds.pdf",
        "material": "Abs"
      },
      "contacts": {
        "quote": "capacitor, and to the LDO ground pin as close as possible to each other, connected by a wide, component side, copper surface. The use of vias and long traces to create LDO circuit connections is stron",
        "page": 19,
        "doc": "ds.pdf",
        "material": "copper"
      },
      "version": 1,
      "datasheet_sha256": "e20037b18b97e4563dc48c5c8d41bd429ad70918768c632491b61aeb9b562c1f"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e20037b18b97e4563dc48c5c8d41bd429ad70918768c632491b61aeb9b562c1f",
      "rows": [
        {
          "name": "VIN supply voltage (survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBIAS supply voltage (survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VSS soft-start voltage (survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VOUT voltage (survival)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBIAS supply voltage (survival)",
          "symbol": "VBIAS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.5,
          "conditions": "0.8 V ≤ VOUT ≤ 1.2 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VBIAS supply voltage (survival)",
          "symbol": "VBIAS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "1.2 V < VOUT ≤ 1.8 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VEN voltage",
          "symbol": "VEN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "maximum is VBIAS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "IOUT",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
          "max": 3,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VADJ accuracy",
          "symbol": "VADJ",
          "kind": "tolerance",
          "unit": "mV",
          "min": 492.5,
          "typ": 500,
          "max": 507.5,
          "conditions": "VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS ≤ 4.5 V; 3 V ≤ VBIAS ≤ 5.5 V; 10 mA ≤ IOUT ≤ 3 A; TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VADJ accuracy",
          "symbol": "VADJ",
          "kind": "tolerance",
          "unit": "mV",
          "min": 485,
          "typ": null,
          "max": 515,
          "conditions": "VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS ≤ 4.5 V; 3 V ≤ VBIAS ≤ 5.5 V; 10 mA ≤ IOUT ≤ 3 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VADJ accuracy",
          "symbol": "VADJ",
          "kind": "tolerance",
          "unit": "mV",
          "min": 490,
          "typ": 500,
          "max": 510,
          "conditions": "VOUT(NOM) + 1 V ≤ VIN ≤ VBIAS ≤ 4.5 V; 3 V ≤ VBIAS ≤ 5.5 V; 10 mA ≤ IOUT ≤ 3 A; 0°C ≤ TJ ≤ 125°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOUT range",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.2,
          "conditions": "3 V ≤ VBIAS ≤ 5.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VOUT range",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 1.8,
          "conditions": "4.5 V ≤ VBIAS ≤ 5.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 240,
          "max": 300,
          "conditions": "IOUT = 3 A, TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "IOUT = 3 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VIN supply",
          "symbol": "IGND(IN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 8.5,
          "conditions": "VOUT = 0.8 V, VBIAS = 3 V, 10 mA ≤ IOUT ≤ 3 A, TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VIN supply",
          "symbol": "IGND(IN)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "VOUT = 0.8 V, VBIAS = 3 V, 10 mA ≤ IOUT ≤ 3 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VIN supply (disabled)",
          "symbol": "IGND(IN)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1,
          "max": 100,
          "conditions": "VEN ≤ 0.5 V, TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VIN supply (disabled)",
          "symbol": "IGND(IN)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "VEN ≤ 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VBIAS supply",
          "symbol": "IGND(BIAS)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 3.8,
          "conditions": "10 mA ≤ IOUT ≤ 3 A, TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VBIAS supply",
          "symbol": "IGND(BIAS)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "10 mA ≤ IOUT ≤ 3 A",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VBIAS supply (disabled)",
          "symbol": "IGND(BIAS)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 100,
          "max": 170,
          "conditions": "VEN ≤ 0.5 V, TJ = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent current drawn from VBIAS supply (disabled)",
          "symbol": "IGND(BIAS)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "VEN ≤ 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout threshold",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": 2.45,
          "max": 2.7,
          "conditions": "VBIAS rising until device is functional, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout threshold",
          "symbol": "UVLO",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 2.9,
          "conditions": "VBIAS rising until device is functional",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout hysteresis",
          "symbol": "UVLO(HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": 60,
          "typ": 150,
          "max": 300,
          "conditions": "VBIAS falling from UVLO threshold until device is non-functional, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout hysteresis",
          "symbol": "UVLO(HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": null,
          "max": 350,
          "conditions": "VBIAS falling from UVLO threshold until device is non-functional",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft-start internal resistance",
          "symbol": "rSS",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 11,
          "typ": 13.5,
          "max": 16,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable pin current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": -19,
          "typ": -30,
          "max": -40,
          "conditions": "VEN = 0 V, VBIAS = 5.5 V, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable pin current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "μA",
          "min": -13,
          "typ": null,
          "max": -51,
          "conditions": "VEN = 0 V, VBIAS = 5.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage threshold",
          "symbol": "VEN(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": 1.25,
          "max": 1.5,
          "conditions": "VEN rising until output = ON, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage threshold",
          "symbol": "VEN(ON)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": 1.55,
          "conditions": "VEN rising until output = ON",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage hysteresis",
          "symbol": "VEN(HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": 50,
          "typ": 100,
          "max": 150,
          "conditions": "VEN falling from VEN(ON) until Output = OFF, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable voltage hysteresis",
          "symbol": "VEN(HYS)",
          "kind": "electrical",
          "unit": "mV",
          "min": 30,
          "typ": null,
          "max": 200,
          "conditions": "VEN falling from VEN(ON) until Output = OFF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Turnoff delay time",
          "symbol": "tOFF",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "RLOAD x COUT << tOFF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Turnon delay time",
          "symbol": "tON",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "RLOAD x COUT << tON",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output short-circuit current",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "A",
          "min": null,
          "typ": 5.8,
          "max": null,
          "conditions": "VIN = VOUT(NOM) + 1 V, VBIAS = 3 V, VOUT = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Soft-start time",
          "symbol": "tSS",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": 675,
          "max": null,
          "conditions": "tSS = CSS × rSS × 5; CSS = 10 nF",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown junction temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "TSD(HYS)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 48.4,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 54.6,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 29.1,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 9.6,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 29,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (bottom) thermal resistance",
          "symbol": "RθJC(bot)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 4.3,
          "max": null,
          "conditions": "DDA (SO PowerPAD) 8-pin package",
          "source_page": 5,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lp38853mrx-adj"
  ],
  "discovery_pitch": "LP38853MRX-ADJ (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lp38853mrx-adj.kicad_sym",
    "lp38853mrx-adj.kicad_mod",
    "lp38853mrx-adj.glb",
    "lp38853mrx-adj.step",
    "lp38853mrx-adj.lbr",
    "docs/hero.png",
    "docs/lp38853mrx-adj-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lp38853mrx-adj-hero.glb",
    "lp38853mrx-adj-hero.overlay.json",
    "lp38853mrx-adj-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}