TL494L -D16-T

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  "slug": "tl494l-d16-t",
  "title": "TL494L -D16-T",
  "brief": "UTC Unisonic Tech AC-DC Controllers And Regulators, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "power management (pmic)",
    "tl494l -d16-t",
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  "component": {
    "mpn": "TL494L -D16-T",
    "manufacturer": "UTC Unisonic Tech",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Power Management (PMIC)",
    "subcategory": "AC-DC Controllers And Regulators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588916809143214080",
    "parts": {
      "symbol": "tl494l-d16-t.kicad_sym",
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      "model_3d_plain": "tl494l-d16-t-etched.glb",
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      "model_3d_step_plain": "tl494l-d16-t.step",
      "lbr": "tl494l-d16-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C71133"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T18:17:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NONINV INPUT",
        "type": "input",
        "description": "Non-inverting input of the error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V."
      },
      {
        "number": "2",
        "name": "INV INPUT",
        "type": "input",
        "description": "Inverting input of the error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V."
      },
      {
        "number": "3",
        "name": "FEEDBACK",
        "type": "output",
        "description": "Error amplifier output and feedback node; the datasheet limits the current into this pin to 0.3 mA."
      },
      {
        "number": "4",
        "name": "DEAD-TIME CONTROL",
        "type": "input",
        "description": "Dead-time control input that sets the maximum duty cycle, specified at 45% per output with VIN=0 and an input range of 0 to 5.25 V."
      },
      {
        "number": "5",
        "name": "CT",
        "type": "passive",
        "description": "Timing capacitor connection, recommended between 0.47 nF and 10000 nF."
      },
      {
        "number": "6",
        "name": "RT",
        "type": "passive",
        "description": "Timing resistor connection, recommended between 1.8 kΩ and 500 kΩ."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the datasheet references all voltages to the network ground terminal."
      },
      {
        "number": "8",
        "name": "C1",
        "type": "output",
        "description": "Collector of internal power NPN transistor 1, rated for 40 V collector output voltage and 200 mA recommended collector current (250 mA absolute maximum)."
      },
      {
        "number": "9",
        "name": "E1",
        "type": "output",
        "description": "Emitter of internal power NPN transistor 1."
      },
      {
        "number": "10",
        "name": "E2",
        "type": "output",
        "description": "Emitter of internal power NPN transistor 2."
      },
      {
        "number": "11",
        "name": "C2",
        "type": "output",
        "description": "Collector of internal power NPN transistor 2, rated for 40 V collector output voltage and 200 mA recommended collector current (250 mA absolute maximum)."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 7 V to 40 V (41 V absolute maximum)."
      },
      {
        "number": "13",
        "name": "OUTPUT CONTROL",
        "type": "input",
        "description": "Output mode select that chooses single-ended or push-pull operation of the outputs."
      },
      {
        "number": "14",
        "name": "VREF",
        "type": "power_out",
        "description": "Internal 5 V reference output (4.75 V to 5.25 V at IOUT=1 mA), with a short-circuit output current of 35 mA."
      },
      {
        "number": "15",
        "name": "INV INPUT",
        "type": "input",
        "description": "Inverting input of the second error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V."
      },
      {
        "number": "16",
        "name": "NONINV INPUT",
        "type": "input",
        "description": "Non-inverting input of the second error amplifier, with a common-mode input voltage range of -0.3 V to VCC-2 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types for FEEDBACK and the collector/emitter outputs are inferred from the datasheet's pin names; The datasheet lists pins 1 and 16 as NONINV INPUT and pins 2 and 15 as INV INPUT, as the two error a; The datasheet gives the CT and RT recommended ranges but no separate pin-level limits; the types are"
        ],
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        "cost_usd": 0.0348,
        "at": "2026-10-15T18:17:19"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "UTC Unisonic Tech",
      "Package": "DIP-16",
      "Category": "Power Management (PMIC)",
      "Pins": "16"
    },
    "characteristics": {
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          "kind": "recommended_operating",
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        {
          "name": "Amplifier Input Voltage",
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          "name": "Current into Feedback",
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          "unit": "mA",
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          "typ": null,
          "max": 0.3,
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        {
          "name": "Timing Capacitor",
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        {
          "name": "Timing Resistor",
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          "min": 1.8,
          "typ": null,
          "max": 500,
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        },
        {
          "name": "Oscillator Frequency",
          "symbol": "fOSC",
          "kind": "recommended_operating",
          "unit": "kHz",
          "min": 1,
          "typ": null,
          "max": 300,
          "conditions": "",
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        },
        {
          "name": "Operating Free-Air Temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "C",
          "min": 0,
          "typ": null,
          "max": 70,
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        {
          "name": "Supply Voltage (Note 3)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
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          "max": 41,
          "conditions": "",
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        {
          "name": "Collector Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
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        {
          "name": "Collector Output Current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "",
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        },
        {
          "name": "Power Dissipation",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "TA=25C",
          "source_page": 4,
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        },
        {
          "name": "Junction Temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
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        {
          "name": "Operating Temperature",
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          "kind": "absolute_maximum",
          "unit": "C",
          "min": -25,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": -40,
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        {
          "name": "Output Voltage",
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          "kind": "electrical",
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          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "IOUT=1mA",
          "source_page": 4,
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        },
        {
          "name": "Input Regulation",
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          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 25,
          "conditions": "VCC=7V ~ 40V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Regulation",
          "symbol": "VOUT",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1,
          "max": 15,
          "conditions": "IOUT=1 ~ 10mA",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Change with Temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "TA=MIN ~ MAX (note 2)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage Error",
          "symbol": "VI(OFF)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VOUT (pin 3)=2.5V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Input Offset Current",
          "symbol": "II(OFF)",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 25,
          "max": 250,
          "conditions": "VOUT (pin 3)=2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "II(BIAS)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VOUT (pin 3)=2.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Input Voltage Range Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "VCC=7V ~ 40 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Open-Loop Voltage Amplification",
          "symbol": "",
          "kind": "electrical",
          "unit": "dB",
          "min": 70,
          "typ": 95,
          "max": null,
          "conditions": "VOUT=3V, VOUT=0.5V ~ 3.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Common-Mode Rejection Ratio Error",
          "symbol": "CMRR",
          "kind": "electrical",
          "unit": "dB",
          "min": 65,
          "typ": 80,
          "max": null,
          "conditions": "VCC=40V,TA=25C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Sink Current (pin 3)",
          "symbol": "IO(SINK)",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.3,
          "typ": 0.7,
          "max": null,
          "conditions": "VID=-15mV ~ -5V, V(pin 3)=0.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector off-state current",
          "symbol": "IC(OFF)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 2,
          "max": 100,
          "conditions": "VCE=40V, VCC=40V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Collector-emitter Saturation Voltage (Common-emitter)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.1,
          "max": 1.3,
          "conditions": "VE=0, IC=200mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage (Emitter-Follower)",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.5,
          "max": 2.5,
          "conditions": "VC=15V, IE=-200mA",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input bias (pin 4)",
          "symbol": "II(BIAS)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": -2,
          "max": -10,
          "conditions": "VIN=0 ~ 5.25V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input threshold Voltage (pin 4)",
          "symbol": "VTHR",
          "kind": "electrical",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": null,
          "conditions": "Zero duty Cycle",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input threshold Voltage (pin 3)",
          "symbol": "VTHR",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": 4.5,
          "max": null,
          "conditions": "Zero duty Cycle",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Sink Current (pin 3)",
          "symbol": "II(SINK)",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.3,
          "typ": 0.7,
          "max": null,
          "conditions": "V(pin 3)= 0.7V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby Supply Current",
          "symbol": "IST-BY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VCC=15V; pin 6 at VREF, all other inputs and outputs open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Standby Supply Current",
          "symbol": "IST-BY",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 9,
          "max": 15,
          "conditions": "VCC=40V; pin 6 at VREF, all other inputs and outputs open",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Rise Time",
          "symbol": "tR",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": 200,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 25,
          "max": 100,
          "conditions": "Common-emitter configuration",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage Fall Time",
          "symbol": "tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 40,
          "max": 100,
          "conditions": "Emitter-follower configuration",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Short-Circuit Output Current",
          "symbol": "IO(SC)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 35,
          "max": null,
          "conditions": "VREF=0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency",
          "symbol": "F",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "CT=0.01μF, RT=12kΩ",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Standard Deviation of Frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "All Values of VCC, CT, RT, TA constant",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency Change with Voltage",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 0.1,
          "max": null,
          "conditions": "VCC=7V ~ 40V,Ta=25C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Frequency Change with Temperature",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
          "typ": 12,
          "max": null,
          "conditions": "CT=0.01μF, RT=12kΩ, TA=MIN ~ MAX",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output source Current (pin 3)",
          "symbol": "IO(SOURCE)",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": -2,
          "max": null,
          "conditions": "VID=15mV ~ -5V, V(pin 3)=3.5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Emitter off-state Current",
          "symbol": "IE(OFF)",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": -100,
          "max": null,
          "conditions": "VCC=VC=40V, VE=0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output Control Input Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.5,
          "max": null,
          "conditions": "VIN=VREF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum duty cycle, each output",
          "symbol": "",
          "kind": "electrical",
          "unit": "%",
          "min": null,
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