Answered

• UCC28056: loop compensation requirements

  

  Kayla Kinghorn

  Resolved

  Part Number: UCC28056 We are designing a product using the UCC28056 PFC controller, and I am trying to get a comprehensive understanding of the loop compensation requirements. However, there seems to be a difference of approach between the datasheet and…

  • Resolved

  • over 3 years ago
  • Power management
  • Power management forum
Answered

• UCC28056: UCC28056 has low efficiency and abnormal inductive current spikes

  

  Gabriel Wang1

  Resolved

  Other Parts Discussed in Thread: UCC28056 Dear Expert Could you give some advice how to reduce the pfc inductor spikes and imporve efficiency . The customer outputs 100W and 20V5A from the ready-made solution of the existing model, but changes the…

  • Resolved

  • over 5 years ago
  • Power management
  • Power management forum

• UCC28056: Does UCC28056 have Brown in & out function ?

  

  Kygo Cheng

  TI Thinks Resolved

  Part Number: UCC28056 Hi, Does UCC28056 have Brown in & out function ? THX

  • over 5 years ago
  • Power management
  • Power management forum

• UCC28056: UCC28056 in a 250W LED power module design，questions about THD

  

  Julia Ju

  TI Thinks Resolved

  Part Number: UCC28056 Dears based on this question: UCC28056: UCC2856 in a 200W pwer module design，when test the half full load and 3/4 full load , is it possible that THD<10% ? - Power management forum - Power management - TI E2E support forums …

  • over 5 years ago
  • Power management
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• UCC28056: Study UCC28056 reference designs of High voltage startup circuit

  

  Kygo Cheng

  Part Number: UCC28056 Other Parts Discussed in Thread: UCC28780 , TIDA-010047 Hi Team There is a good new that DIN UCC28056 I found a reference design https://www.ti.com/tool/TIDA-010047 And ne of the circuit " High voltage startup " , I am not…

  • over 5 years ago
  • Power management
  • Power management forum

• UCC28056: ucc28056 highest frequency at zero crossing

  

  Pei Gong

  TI Thinks Resolved

  Part Number: UCC28056 Hi could you please help to answer the highest frequency at zero crossing of ucc28056 ?

  • over 5 years ago
  • Power management
  • Power management forum

• UCC28056: Cancel for UCC28056

  

  Yuki Saito

  TI Thinks Resolved

  Part Number: UCC28056 Other Parts Discussed in Thread: UCC28064A , , UCC28064 Hi Application team I get question below customer. Could you give me answer? The instantaneous instantaneous drop test is specified by the safety standards and is a…

  • over 5 years ago
  • Power management
  • Power management forum

• UCC28056: ZCD threshlod detection

  

  fred cheng

  TI Thinks Resolved

  Part Number: UCC28056 Hi team. when in DCM, which voltage here is the threshold voltage that trigger when to start TDCM? Is it VZCBorise or VinSyn ?

  • over 4 years ago
  • Power management
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• UCC28056: relation of GFF and Ton

  

  Eric(Dongguan) Zhu

  TI Thinks Resolved

  Part Number: UCC28056 hi team, please explain relation of GFF and Ton

  • over 4 years ago
  • Power management
  • Power management forum
Answered

• RE: UCC28056: PFC with transformed input voltage, UCC28056

  

  David Huang33

  Resolved

  Hi Mate. sorry for the delay response. I check the parameter you offer, it should be ok when using UCC28056. I suggest you can book an UCC28056EVM and do the modification to see the performance. please pay attention to : Brown in threshold…

  • over 5 years ago
  • Power management
  • Power management forum

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