• UCC28C43: UCC28C43-TI01505 design wide voltage power supply

  

  sun shine

  TI Thinks Resolved

  Part Number: UCC28C43 Other Parts Discussed in Thread: UCC28C53-Q1 , TIDA-01505 Tool/software: Hi TI, For example, I plan to use UCC28C53-Q1 to design a wide voltage input power supply. Input voltage range: 13Vdc ~ 400Vdc Output specification: 80V 0.19A…

  • 17 days ago
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Answered

• UCC28C43: Higher Voltage Ripple on The Output voltage of Flyback Based Logic Power Supply Using UCC28C43.

  

  Pemendra Pardhi

  Resolved

  Part Number: UCC28C43 Tool/software: Hi TI team, I have developed the logic power supply (having a voltage level of +15VB, -8VB, 24Viso, 15Vref, 3.3VB) for the microcontroller and other peripherals. The circuit is attached here. In the above circuit…

  • Resolved

  • 2 months ago
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• UCC28C43: Transformer selection

  

  Jagannathan Rajan

  TI Thinks Resolved

  Part Number: UCC28C43 Other Parts Discussed in Thread: UCC28C55-Q1 Tool/software: WEBENCH recommends a transformer with the following specs for my 24V to 24V flyback design: Ns1toNp = 1.98, Ns2toNp = 970.07 m, Lp = 1.57 µH. Which one of these is…

  • 1 month ago
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• UCC28C43-Q1: current sense gain

  

  Naga sahitya Mandalapu

  TI Thinks Resolved

  Part Number: UCC28C43-Q1 Other Parts Discussed in Thread: UCC28C43 Tool/software: current sense gain from the UCC28C43 datasheet is typ 3V, but in the IC block diagram gain section did not shown, CS pin input is directly going to the PWM comparator.…

  • 1 month ago
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• UCC28C43-Q1: Whether the output voltage feedback can be fed into the COMP pin

  

  Tommy

  TI Thinks Resolved

  Part Number: UCC28C43-Q1 Tool/software: Hi E2E, We are designing a power supply using UCC28C43-Q1. In previous designs,the negative feedback input to the COMP is after optocoupler isolation . We want to know if there is a way to directly feed the output…

  • 1 month ago
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Answered

• UCC28C43: UCC28C43DR silk mark question

  

  Chi Zhang2

  Resolved

  Part Number: UCC28C43 Tool/software: Hi expert, my customer is very card about the silk mark change, could you help to explain what is the silk mark mean, and why it has difference, what is the difference meaning. thanks. BR Chi

  • Resolved

  • 3 months ago
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• UCC28C43: Minimum ON time.

  

  Christopher Ziel

  TI Thinks Resolved

  Part Number: UCC28C43 Tool/software: What is the minimum ON time of this controller?

  • 3 months ago
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• UCC28C43-EP: UCC28C42 vs UCC28C43-EP

  

  HAREL LEVY

  TI Thinks Resolved

  Part Number: UCC28C43-EP Other Parts Discussed in Thread: UCC28C42 Hello everyone, Can someone tell me what is the difference between UCC28C42 and its EP version? Can I safely interchange those two in already on-market products?

  • 6 months ago
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• UCC28C43: Multiphase capability

  

  Ohad Bonneh

  TI Thinks Resolved

  Part Number: UCC28C43 Tool/software: Hi team, Do you know if I can use this controller and sync it with additional one to create multiphase boost?

  • 4 months ago
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Answered

• UCC28C43: UCC28C43

  

  Giorgio Gramola

  Resolved

  Part Number: UCC28C43 Hello, I would like to know if in the UCC28C43 "absolute maximum ratings" table, the values are valid only with VDD present (and therefore VREF=5V), or also without power supply (i.e. VDD=0) In our application the CS pin…

  • Resolved

  • 7 months ago
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