• RE: UCC25800-Q1: IC not operating as an LLC

  

  Hong Huang

  Hi, PMP40980 is on secondary side resonance. Yours is on primary side. Since you parallel four transformers, it requires to use the secondary side resonance since there is no clear single resonance can be defined on the primary side with 4 transformer…

  • 8 months ago
  • Power management
  • Power management forum
Answered

• RE: UCC25800-Q1: Multiple isolated secondary windings transformer - Low Power/High voltage

  

  Eric Reicher

  Resolved

  Hi again Thiago, This configuration is OK for the UCC25800. Please have a look at the following Reference Design: PMP40980 Multiple-output isolated SiC driver bias-supply reference design for onboard charger applications

  • over 2 years ago
  • Power management
  • Power management forum

• RE: Power isolation solution

  

  Jonathan Wong

  Hello Hailey, Thank you for reaching out. Since each output is 1A, is the total power of the system 15.2W? If so, I would recommend the UCC28C59 in a flyback with multiple outputs. This product also has many variations (such as an automotive equivalent…

  • over 2 years ago
  • Isolation
  • Isolation forum

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