TPS78401DBVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "tps78401dbvr",
  "title": "TPS78401DBVR",
  "brief": "Texas Instruments Pre-ordered Chips, SOT-23-5. 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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    "interface ics",
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  "component": {
    "mpn": "TPS78401DBVR",
    "manufacturer": "Texas Instruments",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/tps784.pdf",
    "parts": {
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      "lbr": "tps78401dbvr.lbr"
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    "distributor_links": {
      "lcsc": "C2867818",
      "digikey": "296-TPS78401DBVRTR-ND"
    },
    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-TPS78401DBVRTR-ND",
        "status": "found"
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      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "IN",
        "type": "power_in",
        "description": "Input supply pin (1.65 V to 6.0 V operating range); use the recommended value or larger ceramic capacitor from IN to ground, placed as close to the device as possible."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin that must be connected to ground on the board."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Enable pin: logic high enables the device and logic low disables it; do not float this pin, and connect EN to IN if not used."
      },
      {
        "number": "4",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to the control-loop error amplifier, used with external resistors to set the output voltage (1.2 V to 5.5 V adjustable range); do not float this pin."
      },
      {
        "number": "5",
        "name": "OUT",
        "type": "power_out",
        "description": "Regulated output pin requiring 0.47 µF or greater effective capacitance to ground for stability, with a 1-µF or larger ceramic capacitor recommended for best transient response, placed close to the device."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 7,
        "cost_usd": 0.0574,
        "at": "2026-10-22T21:45:08"
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        "pages": 35,
        "sha256": "1256cad447f081c0",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "file": "tps78401dbvr.step",
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        "seat": "z = 0",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOT-23-5",
      "Category": "Interface ICs",
      "Pins": "5"
    },
    "characteristics": {
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      "rows": [
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
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        },
        {
          "name": "Input capacitor",
          "symbol": "CIN",
          "kind": "recommended_operating",
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          "conditions": "minimum effective capacitance is 0.47 µF",
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        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": 0,
          "typ": null,
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        {
          "name": "Output capacitor ESR",
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          "unit": "Ω",
          "min": 0.001,
          "typ": null,
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        {
          "name": "Enable voltage",
          "symbol": "VEN",
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          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Enable toggle frequency",
          "symbol": "FEN",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
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          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
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        },
        {
          "name": "Supply voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Enable voltage",
          "symbol": "VEN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
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        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "VIN + 0.3 V or 6.5 V, whichever is smaller",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 2,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Operating junction temperature",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "ESD HBM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2000,
          "typ": null,
          "max": 2000,
          "conditions": "HBM, all pins",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "ESD CDM",
          "symbol": "V(ESD)",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "CDM, all pins",
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          "source": "datasheet"
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        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "1 mA ≤ IOUT ≤ 300 mA, VOUT(NOM) + 0.5 V ≤ VIN ≤ 6.0 V, TJ = 25°C",
          "source_page": 6,
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        },
        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -0.75,
          "typ": null,
          "max": 0.75,
          "conditions": "1 mA ≤ IOUT ≤ 300 mA, VOUT(NOM) + 0.5 V ≤ VIN ≤ 6.0 V, –40°C ≤ TJ ≤ 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output accuracy",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "1 mA ≤ IOUT ≤ 300 mA, VOUT(NOM) + 0.5 V ≤ VIN ≤ 6.0 V, 85°C ≤ TJ ≤ 150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "0.1 mA ≤ IOUT ≤ 300 mA, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Load regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -5,
          "typ": null,
          "max": 10,
          "conditions": "0.1 mA ≤ IOUT ≤ 300 mA, –40°C ≤ TJ ≤ 150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": 15,
          "typ": 25,
          "max": 30,
          "conditions": "TJ = 25°C, IOUT = 0 mA",
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          "source": "datasheet"
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        {
          "name": "Ground current",
          "symbol": "IGND",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "IOUT = 0 mA",
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          "source": "datasheet"
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        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.15,
          "max": 1,
          "conditions": "VEN ≤ 0.3 V, 1.65 V ≤ VIN ≤ 6.0 V, TJ = 25°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "VEN ≤ 0.3 V, 1.65 V ≤ VIN ≤ 6.0 V, –40°C ≤ TJ ≤ 85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VEN ≤ 0.3 V, 1.65 V ≤ VIN ≤ 6.0 V, –40°C ≤ TJ ≤ 150°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback voltage",
          "symbol": "VFB",
          "kind": "electrical",
          "unit": "V",
          "min": 1.182,
          "typ": 1.2,
          "max": 1.218,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Feedback pin current",
          "symbol": "IFB",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": 0.01,
          "max": 0.05,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output current limit",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "mA",
          "min": 320,
          "typ": 460,
          "max": null,
          "conditions": "VIN = VOUT(NOM) + 1 V, VOUT = 0.9 x VOUT(NOM)",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Short-circuit current limit",
          "symbol": "ISC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 175,
          "max": null,
          "conditions": "VOUT = 0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "IOUT = 300 mA, VOUT = 0.95 x VOUT(NOM), 1.2 V ≤ VOUT < 1.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "IOUT = 300 mA, VOUT = 0.95 x VOUT(NOM), 1.5 V ≤ VOUT < 1.8 V",
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        {
          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "IOUT = 300 mA, VOUT = 0.95 x VOUT(NOM), 1.8 V ≤ VOUT < 2.5 V",
          "source_page": 6,
          "source": "datasheet"
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          "name": "Dropout voltage",
          "symbol": "VDO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 115,
          "conditions": "IOUT = 300 mA, VOUT = 0.95 x VOUT(NOM), 2.5 V ≤ VOUT ≤ 5.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Undervoltage lockout rising",
          "symbol": "VUVLO,rising",
          "kind": "electrical",
          "unit": "V",
          "min": 1.32,
          "typ": 1.42,
          "max": 1.6,
          "conditions": "VIN rising",
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          "source": "datasheet"
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        {
          "name": "Undervoltage lockout falling",
          "symbol": "VUVLO,falling",
          "kind": "electrical",
          "unit": "V",
          "min": 1.17,
          "typ": 1.29,
          "max": 1.42,
          "conditions": "VIN falling",
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          "source": "datasheet"
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          "name": "Startup time",
          "symbol": "tSTR",
          "kind": "electrical",
          "unit": "µs",
          "min": null,
          "typ": 500,
          "max": 780,
          "conditions": "From EN low-to-high transition to VOUT = VOUT(NOM) x 95%",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN pin high voltage (enabled)",
          "symbol": "VEN(HI)",
          "kind": "electrical",
          "unit": "V",
          "min": 0.85,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "EN pin low voltage (enabled)",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.425,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Line regulation",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 0.3,
          "max": null,
          "conditions": "VOUT(NOM) + 0.5 V ≤ VIN ≤ 6.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "UVLO hysteresis",
          "symbol": "VUVLO,HYST",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 130,
          "max": null,
          "conditions": "VIN hysteresis",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Enable pin current",
          "symbol": "IEN",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VIN = VEN = 6.0 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Pulldown resistance",
          "symbol": "RPULLDOWN",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VIN = 3.3 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "PSRR",
          "symbol": "PSRR",
          "kind": "electrical",
          "unit": "dB",
          "min": null,
          "typ": 52,
          "max": null,
          "conditions": "VOUT = 3.3 V, IOUT = 300 mA, VIN = VOUT(NOM) + 1 V, f = 1 kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output noise voltage",
          "symbol": "Vn",
          "kind": "electrical",
          "unit": "µVRMS",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "BW = 10 Hz to 100 kHz, VOUT = 1.2 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD(shutdown)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "Shutdown, temperature increasing",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown reset temperature",
          "symbol": "TSD(reset)",
          "kind": "electrical",
          "unit": "°C",
          "min": null,
          "typ": 160,
          "max": null,
          "conditions": "Reset, temperature decreasing",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 170.8,
          "max": null,
          "conditions": "DBV (SOT-23), 5 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 93.1,
          "max": null,
          "conditions": "DBV (SOT-23), 5 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.2,
          "max": null,
          "conditions": "DBV (SOT-23), 5 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-top characterization parameter",
          "symbol": "ψJT",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 17.5,
          "max": null,
          "conditions": "DBV (SOT-23), 5 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board characterization parameter",
          "symbol": "ψJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 40,
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