LM2596R-ADJ

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2596r-adj",
  "title": "LM2596R-ADJ",
  "brief": "HTC Korea TAEJIN Tech DC-DC Converters, TO-263-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "lm2596r-adj",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LM2596R-ADJ",
    "manufacturer": "HTC Korea TAEJIN Tech",
    "package": "TO-263-5",
    "pin_count": 6,
    "category": "Power Management (PMIC)",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175262740656128",
    "parts": {
      "symbol": "lm2596r-adj.kicad_sym",
      "footprint": "lm2596r-adj.kicad_mod",
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      "model_3d_plain": "lm2596r-adj-etched.glb",
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      "model_3d_step_plain": "lm2596r-adj.step",
      "lbr": "lm2596r-adj.lbr"
    },
    "distributor_links": {
      "lcsc": "C52684",
      "digikey": "5536-LM2596R-ADJTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:01:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "5536-LM2596R-ADJTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "This is the positive input supply for the LM2596 step-down switching regulator, and a suitable input bypass capacitor must be present to minimize voltage transients and supply the switching currents."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "This is the emitter of the internal output switch, with a typical saturation voltage Vsat of 1.5 V, and the PCB area connected to this pin should be kept to a minimum to reduce coupling to sensitive circuitry."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "This is the circuit ground pin."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "This pin senses the regulated output voltage to close the feedback loop, and on the adjustable version it is the direct input to the error amplifier, with external resistors R2 and R1 programming the output voltage."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "This TTL-compatible pin shuts the regulator down when driven above the typical 1.3 V threshold (up to +Vin), reducing total input supply current to approximately 80 uA, and the regulator is on if the pin is below 1.3 V or left open."
      },
      {
        "number": "6",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers and names were taken from the PIN DESCRIPTION table on page 3, where the TO-220 5L and T",
          "exposed pad 6 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.046,
        "at": "2026-10-18T02:00:05"
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        "pages": 10,
        "sha256": "5ebad324fb99ebbf",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "TO-263-5",
      "Category": "Power Management (PMIC)",
      "Pins": "6"
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    "characteristics": {
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          "name": "Feedback Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃)",
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        {
          "name": "Feedback Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, Vout=5.0V), TJ=-40℃ to +125℃",
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        {
          "name": "Feedback Bias Current, TJ=25℃",
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        },
        {
          "name": "Oscillator Frequency, TJ=25℃",
          "symbol": "Fosc",
          "kind": "electrical",
          "unit": "kHz",
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          "max": 173,
          "conditions": "TJ=25℃",
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        },
        {
          "name": "Oscillator Frequency, TJ=0 to +125℃",
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          "unit": "kHz",
          "min": 110,
          "typ": null,
          "max": 173,
          "conditions": "TJ=0~+125℃",
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        },
        {
          "name": "Saturation Voltage, TJ=25℃",
          "symbol": "Vsat",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.16,
          "max": 1.4,
          "conditions": "Iout=3.0A (note 3), TJ=25℃",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage, TJ=0 to +125℃",
          "symbol": "Vsat",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "Iout=3.0A (note 3), TJ=0~+125℃",
          "source_page": 6,
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        },
        {
          "name": "Current Limit (Peak Current), TJ=25℃",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": 4.5,
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          "conditions": "Note 3, TJ=25℃",
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          "name": "Current Limit (Peak Current), TJ=0 to +125℃",
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          "conditions": "Note 3, TJ=0~+125℃",
          "source_page": 6,
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        {
          "name": "Output Leakage Current",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "Output = 0V, TJ=25℃; Notes 5 and 6",
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          "name": "Output Leakage Current",
          "symbol": "IL",
          "kind": "electrical",
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          "conditions": "Output = -1.0V; Notes 5 and 6",
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        {
          "name": "Quiescent Current, TJ=0 to +125℃",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
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          "typ": null,
          "max": 10,
          "conditions": "TJ=0~+125℃; Note 5",
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        {
          "name": "Standby Quiescent Current, TJ=25℃",
          "symbol": "ISTBY",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 200,
          "conditions": "ON/OFF Pin = 5.0V (off), TJ=25℃",
          "source_page": 6,
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        {
          "name": "Standby Quiescent Current, TJ=0 to +125℃",
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          "unit": "µA",
          "min": null,
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          "conditions": "ON/OFF Pin = 5.0V (off), TJ=0~+125℃",
          "source_page": 6,
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        {
          "name": "ON/OFF Pin Logic Input Level VIH, TJ=25℃",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 1.3,
          "max": null,
          "conditions": "Vout=0V, TJ=25℃",
          "source_page": 6,
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        {
          "name": "ON/OFF Pin Logic Input Level VIH, TJ=0 to +125℃",
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          "name": "ON/OFF Pin Logic Input Level VIL, TJ=25℃",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.3,
          "max": 0.6,
          "conditions": "Vout=Nominal Output Voltage, TJ=25℃",
          "source_page": 6,
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        {
          "name": "ON/OFF Pin Logic Input Level VIL, TJ=0 to +125℃",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.6,
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          "source_page": 6,
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        },
        {
          "name": "ON/OFF Pin Input Current IIH",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 15,
          "conditions": "VLOGIC = 2.5V (Regulator OFF)",
          "source_page": 6,
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        {
          "name": "ON/OFF Pin Input Current IIL",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.02,
          "max": 5,
          "conditions": "VLOGIC = 0.5V (Regulator ON)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Maximum Supply Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On/Off Pin Input Voltage (lower limit)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "-0.3V ≤ V ≤ +Vin; upper limit is +Vin, not a number",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground (Steady-State)",
          "symbol": "",
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          "unit": "V",
          "min": -1,
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        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 seconds",
          "source_page": 4,
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        {
          "name": "Maximum Junction Temperature",
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          "unit": "℃",
          "min": null,
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          "name": "Minimum ESD Rating (Human Body Model)",
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          "unit": "kV",
          "min": 2,
          "typ": null,
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          "source_page": 4,
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        {
          "name": "Thermal Resistance, Junction to Ambient (TO-263-5L)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "TO-263-5 Lead package",
          "source_page": 4,
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          "name": "Thermal Resistance, Junction to Case (TO-263-5L)",
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          "kind": "thermal",
          "unit": "℃/W",
          "min": null,
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          "max": null,
          "conditions": "TO-263-5 Lead package",
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        {
          "name": "Operating Junction Temperature Range",
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          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
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          "name": "Supply Voltage",
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          "unit": "V",
          "min": null,
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