• LTC3722 & LTC3901 : Synchronous rectification not working correctly

    Hi,
    I am planning to design a 2.5kW (84V 30A) PSFB converter (offline with Vin = 390V) for a battery charging solution. I have somewhat understood the ways by which this topology achieves ZVS and the significance of Leakage/shim inductance, Mosfet Coss…

  • LTC3722

    On the last page of he datasheet there is a 200k resistor from 5v ref to pin 3 CS.  Can you tell me what it is for?

  • LTC3722-1 : Question on adaptive ZVS

    I have a schematic with LTC3722-1 and it’s working. But there is a problem.

     

    I’m using adaptive ZVS since my supply voltage is high (> 400V) and fixed delay is creating problems with transistor switching (incorrect triggers creating a large current…

  • Using LTC3722-2 to phase shift resonant a high voltage resonant converter

    Hello,

    I am having an issue getting the LTC3722-2 fixed frequency phase shift regulator to control my high voltage power supply. The topology is two half-bridge LCC converters each feeding a transformer, and I plan to phase-shift one of the legs with…

  • LTC3722芯片做移相全桥架构使用的方法

    • 输入前面是PFC的370-390VDC,输出15V140A功率2000W的隔离电源,求教ADI官方技术支持,问题1:是否可以使用两个变压器,输入初级串联,输出次级并联,还是初级并联次级串联比较合适?2:引脚9和11脚的问题, PDLY (Pin 9/Pin 9): Passive Leg Delay Circuit Input. PDLY
      is connected through a voltage divider to the left leg of
      the bridge in adaptive…
  • Can the full-bridge be paralleled?

    I am designing a full-bridge control. 12v/50a.  It's looking like current mode control with a current doubler circuit.  My client asked if these bridges could be paralleled. I am looking at the LTC1922 & LTC3722 parts. Any input would be helpful.…

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