• UCC28C56L: Issue with UCC28C56L startup using voltage divider

  

  Dimple sai krishna Tadikamalla

  TI Thinks Resolved

  Part Number: UCC28C56L Tool/software: I have designed a flyback circuit to convert 100V to 12V using UCC28C56L. As per the reference design from Webench designer the Input supply is stepping down to 18V (VDD Pin) to turn on the IC. However the IC is…

  • 24 days ago
  • Power management
  • Power management forum

• UCC28C56L: Issue with startup circuit

  

  Dimple sai krishna Tadikamalla

  TI Thinks Resolved

  Part Number: UCC28C56L Tool/software: I have designed a flyback circuit with UCC28C56L by taking the reference from the datasheet, Webench designer. When I connected the board to the power supply I noticed that the constant input voltage which is supposed…

  • 25 days ago
  • Power management
  • Power management forum

• UCC28C56L-Q1: Transformer Loss Calculation

  

  Dimple sai krishna Tadikamalla

  TI Thinks Resolved

  Part Number: UCC28C56L-Q1 Tool/software: In the datasheet there is no mentioning of the loss calculation of the flyback transformer. Please assist me in finding a suitable calculation method for the DCM mode flyback Transformer Loss calculation. Thank…

  • 2 months ago
  • Power management
  • Power management forum

• UCC28C56L-Q1: PSR, CCM vs DCM operation, Startup and Pspice simulation

  

  Dimple sai krishna Tadikamalla

  TI Thinks Resolved

  Part Number: UCC28C56L-Q1 Tool/software: I am working with the UCC28C56L-Q1 flyback controller for a power supply design and have encountered a couple of issues regarding the startup and operational mode. 1. CCM vs DCM Operation: I used the Webench tool…

  • 4 months ago
  • Power management
  • Power management forum

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