• UC2845AQ: Device query

  

  Shinu.V.Mathew

  TI Thinks Resolved

  Part Number: UC2845AQ Other Parts Discussed in Thread: UC1845 , , UC1845A-EP Tool/software: Hi Team, UC2845AQ is rated for 125 Deg but here thermal resistance is higher than UC1845 CDIP and LCC package, How’s that possible? Also UC1845A-EP is rated…

  • 1 month ago
  • Power management
  • Power management forum

• RE: UC2845AQ: ESD level of UC2845AQ

  

  Teng Feng

  Hi Fery, Sorry to correct the UC2845AQ ESD rating as follows, this data came form TI Wafer Fabrication factory, you can now well believe it. Regards, Teng

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

• UC2845AQ: UC2845A Question about noise and temperature.

  

  Bob Lee62837

  TI Thinks Resolved

  Part Number: UC2845AQ Other Parts Discussed in Thread: UC2845A Dear support member, My customer made UC2845A board. I have a question about noise and temperature. （Situation） After turning on the power, after several minutes it is operating as designed and…

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

• UC2845AQ: ESD level

  

  user44411751

  TI Thinks Resolved

  Part Number: UC2845AQ How much the ESD level of UC2845AQ?

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

• UC2845AQ: Recommended Operating condition of Tj and Ta

  

  Yasushi Fujiwara

  Resolved

  Part Number: UC2845AQ Hello Experts, I want to know recommended operating conditon of Tj and Ta. I confirmed datasheet but it is not stated crearly. Also datasheet stated that "Extended Temperature Performance of -40degC and +125degC". What is this, Ta…

  • Resolved

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

• UC2845AQ: UC2845AQD8R Datasheet has no QEC100 mark, can it be used in an automotive application?

  

  Evan Lin

  TI Thinks Resolved

  Part Number: UC2845AQ Hi, I found that the Datasheet of , TL082QDRQ1 and UC2845AQD8R has no any QEC100 mark in it. but from the part number, we know it is an automotive device. I have a question, are TL082QDRQ1 and UC2845AQD8R the real QEC100 device or just…

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

• UC2845AQ / to disable OUTPUT

  

  K.Yaita

  Resolved

  Other Parts Discussed in Thread: UC2845AQ Hi TI members, I was asked the following question from my customer. Is there any method to disable OUTPUT except applying COMP pin to low? He assumes VCC is applied in this case. Best Regards, Yaita / Japan disty

  • Resolved

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

• Step Down Converter, UC2845AQ or LM5576, 60V to 15V

  

  Hong Tay

  Resolved

  Other Parts Discussed in Thread: LM5576 , UC2845AQ , UC2845 , UC2843 Hi Sir/Madam, Previously I have designed step down converter circuit, 60V to 15V, with LM5576 and found out that there is another option to design with UC2845AQ. May I know what is the…

  • Resolved

  • over 8 years ago
  • Power management
  • Power management forum
Answered

• UCC2803: How to reduce transformer turns with flyback use

  

  Len Hsu2

  Resolved

  Part Number: UCC2803 Other Parts Discussed in Thread: UC2845AQ , UCC28740 Hi team, I have a customer design in UC2845AQ and have some application questions. The customer wants to increase the switching frequency for reduce the transformer turns. (frequency…

  • Resolved

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

• RE: UC2845A: Absolute Maximum Operating temperature for UC2845A

  

  Eric Reicher

  Resolved

  Hello Kerry, The ABS MAX rating of the UC2845A is 150 degC. However, we do not recommend operating continuously at ABS MAX condition. If we look at the Electrical Characteristics Table in the datasheet (see part of datasheet below) we see the UC2845A…

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

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