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ONSEMI FSCQ0765RTYDTU Quasi-Resonant Power Switch

The FSCQ0765RT is a high-efficiency quasi-resonant converter switch designed for off-line switch mode power supplies. It features advanced burst-mode operation for standby power <1W, internal soft-start, and comprehensive protection including overload, over-voltage, and thermal shutdown. Its minimal external components and built-in PWM controller with SenseFET make it ideal for noise-sensitive applications like TVs and audio systems. The device ensures reliable performance with extended quasi-resonant switching and low EMI, providing a cost-effective solution for energy-efficient power conversion.

Authorized Distributors
Part No:FSCQ0765RTYDTU
Stock:0
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI FSCQ0765RTYDTU Quasi-Resonant Power Switch Specifications:

  • Maximum Drain Voltage: 650 V
  • Continuous Drain Current: 3.8 A (Ta = 25°C)
  • Pulsed Drain Current: 16.4 A
  • Total Power Dissipation: 57 W
  • Operating Junction Temperature: 150°C
  • Storage Temperature Range: -55°C to +150°C
  • Switching Frequency: 45-90 kHz
  • VCC supply voltage range: 4.5 V to 20 V
  • Protection features include overload, thermal shutdown, over-voltage, and latch mode over-current protection
  • Built-in soft-start (20 ms), Burst Mode operation, and quasi-resonant switching

Buy the Buy ON Semiconductor FSCQ Series Part Number FSCQ0765RT Online

Discover the FSCQ0765RT power switch from ON Semiconductor, a highly efficient, noise-reduction device with integrated protection and soft-start. Its advanced burst-mode technology reduces standby power consumption below 1 watt, making it ideal for energy-saving applications like TVs and audio equipment. The device's built-in PWM controller and SenseFET simplify design, decrease external component count, and enhance system reliability. Perfect for off-line switch mode power supplies, the FSCQ0765RT offers superior performance, low EMI, and cost-effective implementation for high-quality, energy-efficient power systems.

Buy ON Semiconductor FSCQ0765RT now and experience unmatched reliability and efficiency in noise-sensitive power conversion solutions.

Frequently Asked Questions

Where can I buy ONSEMI FSCQ0765RTYDTU?

You can click on the BUY or RFQ button to purchase FSCQ0765RTYDTU from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FSCQ0765RTYDTU?

You can download the FSCQ0765RTYDTU datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FSCQ0765RTYDTU?

ONSEMI

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