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USR5V10X - HIGH PERFORMANCE SYNCHRONOUS RECTIFIER

General Description

UTC USR5V10X is a high performance and tightly integrated secondary side synchronous rectifier for switch mode power supply system.

Key Features

  • S.
  • Low cost small size CC/CV mode support.
  • Accurate secondary side MOSFET VDS sensing.
  • Secondary-side synchronous rectifier optimized for 5V output system.
  • Output voltage over-shoot control and under-shoot control.
  • Suitable for DCM, QR operation.
  • Up to 150kHz operation frequency.
  • VDD UVLO protection CMOS IC SOP-8 www. unisonic. com. tw Copyright © 2019 Unisonic Technologies Co. , Ltd 1 of 9 QW-R115-034.a USR5V10X Preliminary.

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USR1652 PRIMARY-SIDE REGULATION PWM POWER SWITCH
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UNISONIC TECHNOLOGIES CO., LTD USR5V10X Preliminary HIGH PERFORMANCE SYNCHRONOUS RECTIFIER  DESCRIPTION UTC USR5V10X is a high performance and tightly integrated secondary side synchronous rectifier for switch mode power supply system. It combines a much lower voltage drop N-channel MOSFET to emulate the traditional diode rectifier at the secondary side of Flyback converter, which can reduce heat dissipation, increases output current capability and efficiency and simplify thermal design. It is suitable for multiple mode applications including discontinuous conduction mode and quasi-resonant mode. With its versatility and optimization, UTC USR5V10X can be used in various switch mode power supply topologies including secondary-side control topology and primary-side control topology.