main
Ray Set visibility: public a86c0bb 13d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "tc105333ecttr",
  "title": "TC105333ECTTR",
  "brief": "Microchip Tech DC-DC Converters, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589804707511775232",
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      "lbr": "tc105333ecttr.lbr"
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      "lcsc": "C626379",
      "digikey": "TC105333ECTTR-ND",
      "mouser": "579-TC105333ECTTR"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:50:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "TC105333ECTTR-ND",
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        "lifecycle": "Active"
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        "pn": "579-TC105333ECTTR",
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      {
        "number": "1",
        "name": "EXT",
        "type": "output",
        "description": "Complementary switch control output that drives the gate of an external P-channel MOSFET (or a PNP base through a current-limiting resistor), with a maximum ON resistance of 22 Ω to VDD when high and 19 Ω to ground when low."
      },
      {
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        "name": "VDD",
        "type": "power_in",
        "description": "Power supply voltage input with an operating supply voltage range of 2.2 V to 10.0 V (absolute maximum -0.3 V to +12 V)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, to be connected to a single point together with the input bypass and output filter capacitor grounds."
      },
      {
        "number": "4",
        "name": "SHDN",
        "type": "input",
        "description": "Active-low shutdown input that places the device in low-power shutdown when brought low (VIL max 0.20 V, VIH min 0.65 V), reducing supply current to less than 0.5 µA."
      },
      {
        "number": "5",
        "name": "VOUT",
        "type": "input",
        "description": "Voltage sense input that senses the output voltage for regulation and must be connected to the output voltage node."
      }
    ],
    "provenance": {
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      "factory_chain": {
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        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN TC105333ECTTR is not listed by name. The datasheet's device table lists TC105333ECT (3.3 V o; The ohm (Ω) and micro (µ) symbols are missing from the extracted text. The EXT resistance values (22"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0576,
        "at": "2026-10-20T23:48:34"
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        "pages": 14,
        "sha256": "70f7bf9be262b9d1",
        "source_tier": "lcsc"
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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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        "extents_mm": [
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        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-20",
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        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-23-5",
      "Category": "Power Management (PMIC)",
      "Pins": "5"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "70f7bf9be262b9d1645e0c31a05c2df607bbbdeb0dbe4174ae8dc8600e98271d",
      "rows": [
        {
          "name": "Operating Supply Voltage",
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          "unit": "V",
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          "typ": null,
          "max": 10,
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        },
        {
          "name": "Minimum Input Voltage",
          "symbol": "VDDMIN",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
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        {
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          "kind": "electrical",
          "unit": "µA",
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          "typ": 57,
          "max": 102,
          "conditions": "No external components; VOUT = 0V, SHDN = VIN; VR = 3.0V, 3.3V",
          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Standby Supply Current (VR = 3.0V, 3.3V column)",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 15,
          "max": 27,
          "conditions": "No external components; VOUT = SHDN = VIN; VR = 3.0V, 3.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISHDN",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "SHDN = GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "electrical",
          "unit": "kHz",
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          "typ": 300,
          "max": 345,
          "conditions": "VIN = VOUT + 0.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Maximum Duty Cycle (PWM Mode)",
          "symbol": "DTYMAX",
          "kind": "electrical",
          "unit": "%",
          "min": 100,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Duty Cycle (PFM Mode)",
          "symbol": "DTYPFM",
          "kind": "electrical",
          "unit": "%",
          "min": 15,
          "typ": 25,
          "max": 35,
          "conditions": "IOUT = 0mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SHDN Input Logic High",
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          "kind": "electrical",
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          "min": 0.65,
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          "max": null,
          "conditions": "VOUT = 0V, No external components",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "SHDN Input Logic Low",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VOUT = 0V, No external components",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "EXT ON Resistance to VDD (VR = 3.3V column)",
          "symbol": "REXTH",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 16,
          "max": 22,
          "conditions": "No external components; VR = 3.3V; VOUT = SHDN = VIN, VEXT = (VIN – 0.4V)",
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        {
          "name": "EXT ON Resistance to GND (VR = 3.3V column)",
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          "typ": 14,
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          "source_page": 2,
          "source": "datasheet"
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        {
          "name": "Voltage on VDD",
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          "min": -0.3,
          "typ": null,
          "max": 12,
          "conditions": "",
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        },
        {
          "name": "EXT Output Current",
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          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VOUT, EXT, SHDN Pins",
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          "name": "Storage Temperature Range",
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          "max": 125,
          "conditions": "",
          "source_page": 2,
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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