• UCC28704: Design Query

  

  Sakthivel B

  TI Thinks Resolved

  Part Number: UCC28704 Tool/software: Any recomended part is availabe for the DZ ? used in UCC28704 application note. Thanks Sakthivel

  • 3 days ago
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• UCC28704: Design Query

  

  Sakthivel B

  TI Thinks Resolved

  Part Number: UCC28704 Tool/software: Hi Team, As we are proceeding with the UCC28704 Flyback converter, we identified that the Zenner Diode placed in the return current part of primary transformer. Which is only available in SLU603B - Design tool calculator…

  • 5 days ago
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• UCC28704EVM-724: UCC28704

  

  Arvind Kumar

  TI Thinks Resolved

  Part Number: UCC28704EVM-724 Other Parts Discussed in Thread: UCC28704 Tool/software: Hi TI Team, My design specification are same as EVM but output current is 2.5A for 5V. Please answer my below question 1) Can I use same transformer (750315841) for…

  • 13 days ago
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• UCC28704: Flyback Controller Zenner Diode requirement for "UCC28704DBVR-1" part,

  

  Sakthivel B

  TI Thinks Resolved

  Part Number: UCC28704 Tool/software: Hi there, we are designing a new product which requires a 230VAC to 5V DC with 2.5A of current rating, and we found that the flback controller part " UCC28704DBVR-1 " is best suit for us, In that we have…

  • 10 days ago
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• UCC28704: Question about AC/DC converter IC for the inductor my customer selected.

  

  Kazuya Nakai59

  TI Thinks Resolved

  Part Number: UCC28704 Other Parts Discussed in Thread: UCC28600 Tool/software: Hello guys, One of my customers is looking for a AC/DC converter IC for 10W class flyback topology converter. They want to design AC/DC power supply as small as possible. There…

  • 4 days ago
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• UCC28704: Power supply or IC to design power supply having 2 outputs (reference design IC UCC28704)

  

  ADITYA MENE

  Part Number: UCC28704 Tool/software: Hi Sir, We looking for a power supply or any IC which we can use to design power supply with following specifications : 1. Input Voltage range: 90 - 528VAC OR 100 - 745VDC 2. Output: O/P1: 5V/1Amp O/P2: 5V/0.2Amp 3.…

  • 3 months ago
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• RE: UCC28704: Flyback Converter Troubleshooting - No Output Voltage with UCC28704 and Custom Transformer

  

  Harish Ramakrishnan5

  Hi Craig, Good to know that CS pin capacitor was of some help. The spike is ok as long as it is within the blanking interval. If outside this, it might trip OCP condition. The 220pf with the 5k resistor is too huge delay and that is why it is causing…

  • 5 months ago
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• UCC28704: 400Vin buck controller that is FUSA rated/UL documentation.

  

  Wouter Kragt

  Part Number: UCC28704 Tool/software: Hi Team, Do we have a 400Vin buck controller that is FUSA rated and or has UL documentation? Thank you. Kind regards, Wouter Kragt

  • 3 months ago
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• UCC28704: Schematic review for startup fail issue.

  

  David Park

  Part Number: UCC28704 Tool/software: Hi, Could you review the schematic for startup fail issue? 2821.Schematic.pdf In the customer's board, tried to turn on and there is startup fail after 50~60ms as below. Thanks.

  • 6 months ago
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• UCC28704: Importing UCC28704 spice model into TINA-TI

  

  Ritwik Chattopadhyay

  Part Number: UCC28704 Other Parts Discussed in Thread: TINA-TI Hello, I have been trying to import the UCC28704 spice model as a spice macro in TINA-TI. I have been getting the following error while importing. Please provide suggestions. Thanks Rit…

  • 11 months ago
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