LM22670TJ-ADJ

{
  "slug": "lm22670tj-adj",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments DC-DC Converters, TO-263-7. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
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    "power management (pmic)",
    "lm22670tj-adj",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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    "docs/lm22670tj-adj-datasheet.pdf",
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  "component": {
    "mpn": "LM22670TJ-ADJ",
    "manufacturer": "Texas Instruments",
    "package": "TO-263-7",
    "pin_count": 8,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm22670",
    "parts": {
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      "lbr": "lm22670tj-adj.lbr"
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    "distributor_links": {
      "lcsc": "C543006"
    },
    "pins": [
      {
        "number": "1",
        "name": "SW",
        "type": "output",
        "description": "Switching output of regulator that oscillates between 0V and VIN at the switching frequency, driving the external freewheeling diode and power inductor in the buck converter topology."
      },
      {
        "number": "2",
        "name": "VIN",
        "type": "power_in",
        "description": "Supply input to the regulator with operating range 4.5V to 42V and absolute maximum rating of 43V; bypass with low-ESR ceramic capacitors."
      },
      {
        "number": "3",
        "name": "BOOT",
        "type": "input",
        "description": "Bootstrap capacitor input providing gate drive voltage for the high-side N-channel power MOSFET; requires 10nF ceramic capacitor connected between BOOT and SW pins with absolute maximum voltage of VSW + 7V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "System ground reference and return path for all regulator currents; connect to exposed thermal pad on package bottom with multiple vias for heat dissipation."
      },
      {
        "number": "5",
        "name": "RT/SYNC",
        "type": "input",
        "description": "Switching frequency adjustment or external synchronization input supporting three modes: float for 500kHz internal oscillator, 25kΩ-200kΩ resistor to ground for 200kHz-1MHz frequency adjustment, or external clock for up to 1MHz synchronization; absolute voltage range -0.5V to 7V."
      },
      {
        "number": "6",
        "name": "FB",
        "type": "input",
        "description": "Feedback input to error amplifier for closed-loop voltage regulation; internal reference voltage is 1.285V typical for -ADJ version with ±1.5% accuracy over -40°C to 125°C; absolute voltage range -0.5V to 7V."
      },
      {
        "number": "7",
        "name": "EN",
        "type": "input",
        "description": "Enable input for regulator on/off control and power sequencing with precision threshold of 1.6V typical; regulator turns on when EN exceeds 1.6V with 0.6V hysteresis; absolute voltage range -0.5V to 6V."
      },
      {
        "number": "8",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
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        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "pages_sent": 38,
        "cost_usd": 0.4328,
        "at": "2026-09-23T13:37:25"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm22670",
        "pages": 38,
        "sha256": "5d2cd199b79fcc67",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "zmin_mm": 0.0,
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}