• UCG28824EVM-124: Can UCG28824EVM-124 be used as PFC flyback?

  

  Rahamadullah A

  TI Thinks Resolved

  Part Number: UCG28824EVM-124 Other Parts Discussed in Thread: UCG28824 Hi TI team We would like to use UCG28824 IC as PFC flyback for 115Vrms 400Hz input for 12V, 25W output power. Can this eval design UCG28824EVM-124 be used if i remove C35, C37 and…

  • 3 months ago
  • Power management
  • Power management forum

• UCG28824EVM-124: FB pin clamped at ~0.5 V (BM exit threshold)

  

  Bernard Keogh

  TI Thinks Resolved

  Part Number: UCG28824EVM-124 Other Parts Discussed in Thread: ATL431 EVM-124 has stopped working properly. It only regulates at light load in burst mode. At heavier load, once it hits the BM exit threshold ~0.5 V, the FB pin appears to be clamped at that…

  • 6 months ago
  • Power management
  • Power management forum

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