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  • TLP521-Optocoupler Power Mosfet Gate Driver IC

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TLP521-Optocoupler Power Mosfet Gate Driver IC


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  • Stock: 5
  • SKU: 9167 | DAF352

Availability: InStock priceValidUntil: 2025-09-28

  • Rs. 23.07 (inc GST)
    Rs.19.55 + GST

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TLP521-Optocoupler Power Mosfet Gate Driver IC

TLP521-Optocoupler Power Mosfet Gate Driver IC

The TLP521 is a compact optocoupler consisting of a GaAs infrared emitting diode (IRED) optically coupled to a phototransistor in a 4-pin DIP package. It provides electrical isolation between input and output, making it ideal for signal transmission between different voltage domains. Though not a dedicated high-speed MOSFET gate driver, the TLP521 can be used to switch low-power MOSFETs in isolated gate-driving applications where speed is not critical. Its high isolation voltage and reliable switching make it suitable for industrial controls, power supplies, and microcontroller interfacing.

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Features of TLP521-Optocoupler Power Mosfet Gate Driver IC

  • Phototransistor output for signal switching
  • Isolation voltage: 5,000 Vrms 
  • CTR: 50–600% 
  • TTL and LSTTL compatible
  • Low input current requirement: IF ≤ 5 mA

Specifications of TLP521-Optocoupler Power Mosfet Gate Driver IC

  • Input LED Forward Voltage: 1.2V,1.4V 
  • Input Current: Typically 10 mA
  • Collector-Emitter Voltage: 80V
  • Collector Current: 50 mA max
  • Isolation Voltage: 5,000 Vrms 
  • CTR Range: 50% to 600%

Applications of TLP521-Optocoupler Power Mosfet Gate Driver IC

  • Isolation between logic-level circuits and high-voltage systems
  • Signal transmission across voltage domains
  • Low-speed MOSFET gate drive control
  • Switch-mode power supplies

    Package Includes 

          1 x TLP521-Optocoupler Power Mosfet Gate Driver IC

    Extra Information
    Country of Origin China
    Imported By ElectroSource Private Limited

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