• UCC2804: Load

  

  Engineer

  TI Thinks Resolved

  Part Number: UCC2804 Tool/software: Is there a minimum load required on the secondary? Does this controller utilize a pulse or skip mode to avoid the output voltage from ramping too high at low currents? Or does it lower the duty cycle to 0%? How do I…

  • 11 months ago
  • Power management
  • Power management forum

• UCC2804: Theta JC-bottom value?

  

  Renan Santos Adriano

  TI Thinks Resolved

  Part Number: UCC2804 Tool/software: Hello Expert, Our customer is looking for the value of the Theta JC-bottom for UCC2804PW as this was not indicated on the datasheet. Regards, Renan

  • 11 months ago
  • Power management
  • Power management forum
Answered

• UCC2813-4-Q1: What is the difference between UCC2804-Q1 and UCC2813-4-Q1.

  

  younghyun kim

  Resolved

  Part Number: UCC2813-4-Q1 Other Parts Discussed in Thread: UCC2804-Q1 , , UCC2804 Hello? What is the difference between UCC2804-Q1 and UCC2813-4-Q1? Please give me a detailed explanation. What is more appropriate for developing new products?

  • Resolved

  • 7 months ago
  • Power management
  • Power management forum
Answered

• UCC2804: Linear model DCM flyback and current peak mode

  

  baptiste lhuillier

  Resolved

  Part Number: UCC2804 Tool/software: Hello, I want to use the UCC2804 to control flyback converter. The example in the datasheet is about CCM flyback with current peak mode. I'm looking for an example of DCM flyback with current peak mode. I can…

  • Resolved

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

• UCC2804: EOL UCC2804D

  

  Michael Reibel

  TI Thinks Resolved

  Solved, can be deleted

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

• UCC2804: Parameter conditions for open loop voltage gain

  

  Veronica Lacerda

  Part Number: UCC2804 I am doing a qualification on part UCC2804QDREP and I wanted to know all conditions necessary to get the measurement that TI got for the open loop voltage gain test. The minimum value is 60 dB according to the data sheet. How is that…

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

• UCC2804-Q1: Webench Error

  

  Ray Vincent Aranzaso

  TI Thinks Resolved

  Part Number: UCC2804-Q1 Other Parts Discussed in Thread: UCC2804 Hi, Good Day. I have a customer who is working with UCC2804-Q1. Please see below his query for your reference. Thank you very much. I am having problems using Webench to validate a UCC2804…

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

• UCC2804: UCC1804J883B and UCC2804N - Differences?

  

  Fatima Elfasi

  Resolved

  Part Number: UCC2804 Hi, I am a Technical Sales Intern on the A&D team. I received a question from one of our customers, and I was hoping to find someone to help me. My customer wants to know the differences between UCC1804J883B and UCC2804N . …

  • Resolved

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

• UCC2804: UCC2804

  

  user1243265

  TI Thinks Resolved

  Part Number: UCC2804 Hello, I'am using the Ucc2804 pwm controller for a dcm flyback converter ( Fsw = 300kHz). The overcurrent protection ( Hiccup mode) does not work during an output shortcircuit. The PWM works in cycle-by-cycle current limiting mode…

  • over 7 years ago
  • Power management
  • Power management forum
Answered

• UCC2804: Maximum Operating Temp

  

  Antonio Fadhel

  Resolved

  Part Number: UCC2804 Hi Team, There seems to be a discrepancy between the electrical specs max operating temp of the UCC2804D (125C) and the package addendum (85C). A similar E2E post stated that "This part may be operated up to a max junction temperature…

  • Resolved

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

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