LM2596DP-5.0

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm2596dp-5-0",
  "title": "LM2596DP-5.0",
  "brief": "HTC Korea TAEJIN Tech LM2596DP 5 0 DC-DC Converters, SOP-8-EP. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "pmic",
    "lm2596dp-5.0"
  ],
  "component": {
    "mpn": "LM2596DP-5.0",
    "manufacturer": "HTC Korea TAEJIN Tech LM2596DP 5 0",
    "package": "SOP-8-EP",
    "pin_count": 9,
    "category": "PMIC",
    "subcategory": "DC-DC Converters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6114c8942f4d0eb8a0a447cda3d38664.pdf",
    "parts": {
      "symbol": "lm2596dp-5-0.kicad_sym",
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      "lbr": "lm2596dp-5-0.lbr"
    },
    "distributor_links": {
      "lcsc": "C596341"
    },
    "pins": [
      {
        "number": "1",
        "name": "VIN",
        "type": "power_in",
        "description": "Positive input supply for the LM2596 step-down switching regulator. Absolute maximum 45V, operational up to 40V. Requires a suitable input bypass capacitor (typ. 470 uF, 50V) close to the pin to minimize voltage transients and supply switching currents."
      },
      {
        "number": "2",
        "name": "VOUT",
        "type": "output",
        "description": "Emitter of the internal 3A switch transistor (switch node). Saturation voltage Vsat is typically 1.16 V at 3A. Connects to the external catch diode and buck inductor. PCB area at this node should be minimized to reduce switching noise coupling."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Circuit ground pin. Exposed pad of the SOP-8PP package must also be externally connected to GND for thermal and electrical grounding."
      },
      {
        "number": "4",
        "name": "FEEDBACK",
        "type": "input",
        "description": "Senses the regulated output voltage to close the feedback loop. In the fixed 5.0V version, the internal resistor divider (R2, R1) drives the internal error amplifier's non-inverting input; connect this pin directly to the +5.0V output rail."
      },
      {
        "number": "5",
        "name": "ON/OFF",
        "type": "input",
        "description": "TTL-compatible shutdown input. Threshold is typically 1.3 V; driving above threshold (up to +Vin) shuts the regulator off, dropping supply current to ~80 uA standby. Pulling below 1.3 V or leaving open enables the regulator (on state)."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave unconnected."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave unconnected."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave unconnected."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "power_in",
        "description": "Exposed thermal pad on the underside of the SOP8-PP package. Must be externally connected to GND for both thermal dissipation and electrical grounding."
      }
    ],
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      "pins": {
        "total": 9,
        "described": 9,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8-1EP_3.9x4.9mm_P1.27mm_EP2.29x3mm@sha256:a7971720bdda0353",
      "mark": "drawn"
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-07",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTC Korea TAEJIN Tech",
      "Package": "SOP-8-EP",
      "Category": "PMIC",
      "Pins": "9"
    },
    "characteristics": {
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      "rows": [
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          "name": "Output Voltage (Vin=12V, ILOAD=0.5A, TJ=25℃)",
          "symbol": "Vout",
          "kind": "electrical",
          "unit": "V",
          "min": 4.9,
          "typ": 5,
          "max": 5.1,
          "conditions": "Vin=12V, ILOAD=0.5A, TJ=25℃",
          "source_page": 5,
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        {
          "name": "Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A), TJ=25℃",
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          "min": 4.8,
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          "max": 5.2,
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        {
          "name": "Output Voltage (8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A), TJ=-40℃ ~ +125℃",
          "symbol": "Vout",
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          "unit": "V",
          "min": 4.75,
          "typ": null,
          "max": 5.25,
          "conditions": "8.0V≤Vin≤40V, 0.5A≤ILOAD≤3.0A, TJ=-40℃ ~ +125℃",
          "source_page": 5,
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        },
        {
          "name": "Oscillator Frequency, TJ=25℃",
          "symbol": "Fosc",
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          "unit": "kHz",
          "min": 127,
          "typ": 150,
          "max": 173,
          "conditions": "TJ=25℃",
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        },
        {
          "name": "Oscillator Frequency, TJ=0 ~ +125℃",
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        {
          "name": "Saturation Voltage (Iout=3.0A), TJ=25℃",
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          "max": 1.4,
          "conditions": "Iout=3.0A, TJ=25℃",
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        {
          "name": "Saturation Voltage (Iout=3.0A), TJ=0 ~ +125℃",
          "symbol": "Vsat",
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          "min": null,
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          "max": 1.5,
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        },
        {
          "name": "Current Limit (Peak Current), TJ=25℃",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.6,
          "typ": 4.5,
          "max": 6.9,
          "conditions": "TJ=25℃",
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        },
        {
          "name": "Current Limit (Peak Current), TJ=0 ~ +125℃",
          "symbol": "ICL",
          "kind": "electrical",
          "unit": "A",
          "min": 3.4,
          "typ": null,
          "max": 7.5,
          "conditions": "TJ=0 ~ +125℃",
          "source_page": 6,
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        },
        {
          "name": "Output Leakage Current, Output = 0V",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "Output = 0V, TJ=25℃",
          "source_page": 6,
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        {
          "name": "Output Leakage Current, Output = -1.0V",
          "symbol": "IL",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "Output = -1.0V, TJ=25℃",
          "source_page": 6,
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        },
        {
          "name": "Quiescent Current, TJ=0 ~ +125℃",
          "symbol": "IQ",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "TJ=0 ~ +125℃",
          "source_page": 6,
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        {
          "name": "Standby Quiescent Current (ON/OFF Pin = 5.0V (off)), 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 (ON/OFF Pin = 5.0V (off)), TJ=0 ~ +125℃",
          "symbol": "ISTBY",
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          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "ON/OFF Pin = 5.0V (\"off\"), TJ=0 ~ +125℃",
          "source_page": 6,
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        },
        {
          "name": "ON/OFF Pin Logic Input Level (high), 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 (high), TJ=0 ~ +125℃",
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          "name": "ON/OFF Pin Logic Input Level (low), TJ=25℃",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.6,
          "conditions": "Vout=Nominal Output Voltage, TJ=25℃",
          "source_page": 6,
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          "name": "ON/OFF Pin Logic Input Level (low), TJ=0 ~ +125℃",
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          "min": null,
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          "source_page": 6,
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        {
          "name": "ON/OFF Pin Input Current (Regulator OFF)",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 15,
          "conditions": "VLOGIC = 2.5V (Regulator OFF)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "ON/OFF Pin Input Current (Regulator ON)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "",
          "min": null,
          "typ": 0.02,
          "max": 5,
          "conditions": "VLOGIC = 0.5V (Regulator ON)",
          "source_page": 6,
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        },
        {
          "name": "Maximum Supply Voltage",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 45,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "On/Off Pin Input Voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Range -0.3V ≤ V ≤ +Vin as printed; upper limit is +Vin (non-numeric, left null)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage to Ground (Steady-State)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Operating Junction Temperature Range",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
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        {
          "name": "Supply Voltage",
          "symbol": "Vin",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
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          "conditions": "",
          "source_page": 5,
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  "variants": [
    {
      "mpn": "LM2596DP-5.0",
      "kind": "packaging"
    },
    {
      "mpn": "LM2596DP-3.3",
      "kind": "different-part"
    },
    {
      "mpn": "LM2596DP-12",
      "kind": "different-part"
    },
    {
      "mpn": "LM2596DP-ADJ",
      "kind": "different-part"
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      "mpn": "LM2596T-5.0",
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      "mpn": "LM2596T-3.3",
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  "updated_at": "2026-09-28T16:14:08.480Z"
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