Answered

• UCC2818-EP: UCC2818-EP IAC pin voltage

  

  luis colque

  Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UCC28019 , UCC28056 Hi, Hope you are well. My question is whether the IAC pin of the UCC2818-EP has a specific voltage level, or if the level at that pin is zero. For example, is Riac sized by…

  • Resolved

  • 3 months ago
  • Power management
  • Power management forum

• UCC2818-EP: Vff pin

  

  luis colque

  Part Number: UCC2818-EP Hi, Hope you are well. I'm writing to ask if it is possible to disable the Vff pin. Thank you, Luis.

  • 4 months ago
  • Power management
  • Power management forum

• UCC2818-EP: UCC2818-EP

  

  Sateesh Talisetty

  TI Thinks Resolved

  Part Number: UCC2818-EP Tool/software: Hi TI team, We are planning to use UCC2818-EP in our design. Following is our requirement Vin :100Vrms to 134Vrms (360Hz to 800Hz) Vout : 400V (24W) As per datasheet, for the power level we have to use…

  • over 1 year ago
  • Power management
  • Power management forum
Answered

• UCC2818-EP: UCC2818EP maximum switching frequency

  

  luis colque

  Resolved

  Part Number: UCC2818-EP Hi, I want to confirm the maximum switching frequency of the UCC2818EP. Is it 120 kHz, or can it go higher? Thank you! Kind regards, Luis.

  • Resolved

  • 5 months ago
  • Power management
  • Power management forum

• UCC2818-EP: UCC2818-EP and UC2854-EP

  

  Rahamadullah A

  TI Thinks Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UC2854B-EP , UC2854 , UCC2818 Tool/software: Hi TI team I would like to know which among these PFC ICs (UCC2818-EP and UC2854-EP) can have <5%THD on the input current for input frequency of…

  • over 1 year ago
  • Power management
  • Power management forum

• UCC2818-EP: UCC2818-EP PFC Input current problem

  

  Rahamadullah A

  TI Thinks Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UCC28180 , PMP31164 , UCC25640EVM-020 Tool/software: Hi TI team We have build a PFC board using UCC2818-EP PFC IC. Following is our requirement Vin :100Vrms to 134Vrms (360Hz to 800Hz) …

  • over 1 year ago
  • Power management
  • Power management forum

• UCC2818-EP: Can I connect the 4.7uF Cap across the Vref Pin?

  

  Aravind S

  TI Thinks Resolved

  Part Number: UCC2818-EP Tool/software: Hello TI Team, The reference design in the datasheet says that the capacitor across the Vref pin should be around 1uF. However, I was thinking of using a 4.7uF capacitor to make the pin more stable. Could you please…

  • over 1 year ago
  • Power management
  • Power management forum

• UCC2818-EP: Power management forum

  

  Rahamadullah A

  TI Thinks Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UCC2818 , UC2854 Tool/software: Hi TI team, I have following requirements Input voltage -100Vrms to 134Vrms Frequency- 360Hz to 800Hz output voltage- 400V output power 100W I am…

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

• UCC2818-EP: PFC APPLICATION TO DC CONVERSION OF 3 Phase 400 Hz 115V AC Input with 6 Diodes

  

  Cihangir Öksüz

  Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UCC28070A Hello, I will rectify the 3 Phase 400 Hz 115 VAC input supply to DC (270 VDC) with the bridge rectifiers shown in the figure, and then apply boost PFC to 450 VDC with the UCC2818-EP…

  • Resolved

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

• UCC2818-EP: EVM for UCC2818-EP

  

  Kazuki Itoh

  Resolved

  Part Number: UCC2818-EP Other Parts Discussed in Thread: UCC3817 Hello team, Does TI have any available EVM which is able to evaluate UCC2818-EP? EVM for other p2p PFC is also acceptable. Regards, Itoh

  • Resolved

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

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