Answered

• UC1825-SP: Fixed duty open loop push-pull

  

  Ottavio Di Sauro

  Resolved

  Part Number: UC1825-SP Other Parts Discussed in Thread: TIDA-00181 , LM5030 Tool/software: Hello, I would like to design an open loop fixed duty push-pull converter (no output inductor) using UC1825-SP. Something like described in TIDA-00181 for LM5030…

  • Resolved

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

• UC1825-SP: Thyristor Device or Not

  

  TI-CSC

  TI Thinks Resolved

  Part Number: UC1825-SP Other Parts Discussed in Thread: UC1825B-SP Hello E2E Experts, Good day. Please advise if 5962-8768101VEA (UC1825-SP) has any thyristors or not. We would like to understand if there is any potential for Single Event Latch-up…

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

• UC1825-SP: Difference between 5962-8768101VEA and 5962-8768104VEA

  

  Liu Yang

  Resolved

  Part Number: UC1825-SP Hi Team, What's the Difference between 5962-8768101VEA and 5962-8768104VEA? Are they all QML-V Qualified? Best Regards, Tom

  • Resolved

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

• UC1825: UC1825B-SP: Too few nodes: xu5 32 ct gnd dpst_switch_0

  

  H2

  Resolved

  Part Number: UC1825 I got this error message "xu5 32 ct gnd dpst_switch_0" when doing simulation on the UC1825 using the SPICE model provided by TI . It looks like someone ran to the same issue 2 years ago here , but it's unclear what the solution is…

  • Resolved

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

• UC1825-SP: Metal Lid or Lid is internally grounded?

  

  Alpha H

  Resolved

  Part Number: UC1825-SP Hi team, My customer wants to know if the UC1825-SP has a metal lid. If it does, they want to check if the metal lid is internally grounded, or provides a pad for floating, or is floating. Can you please help and provide if…

  • Resolved

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

• UC1825-SP: Datasheet Clarification

  

  Michael T Schneider

  Resolved

  Part Number: UC1825-SP Team, On page 8 of the datasheet can you clarify What is 3 kΩ (shown below)? Also, on the same page, can you confirm the unit of vertical axis in the following graph (any chance it would it be nS, not µS.)

  • Resolved

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

• UC1825-SP: Soft Start Capacitor

  

  Stephen Defina

  Resolved

  Part Number: UC1825-SP Other Parts Discussed in Thread: UC1825B-SP Hey there, I am looking for a formula to calculate my soft-start capacitor value? Something along the lines of Tss*(Discharge current)/(Vt). I noticed in the old Unitrode datasheet it…

  • Resolved

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

• UC1825B-SP: UC1825 - Output PWM stability (open loop)

  

  Vincent du Fretay

  Part Number: UC1825B-SP Other Parts Discussed in Thread: UC1825 Hello, Due to instabilitty on PUSH PULL converter base on UC1825B, we investigate on the EA of the PWM driver. We tested without power stage, with the following setup : - EA of UC1825…

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

• UC1825-SP: setting pwm frequency

  

  Prashant Surana

  Part Number: UC1825-SP Other Parts Discussed in Thread: UC1825 , UC3825 Hi I am using UC1825 pwm controller for synchronous buck converter operation. I am facing issue in setting desired pwm frequency using Ct and Rt. according to a graph in datasheet…

  • over 8 years ago
  • Space & High Reliability (Read Only)
  • Space & High Reliability Forum (Read Only)
Answered

• UC1825-SP: No Connect Pins

  

  Richard Elmquist

  Resolved

  Part Number: UC1825-SP Are there internal connections to the die on any of the no connect pins or are there no internal connections to the NC pins? Does it matter where they are connected on the PCB? I have a customer asking for the specific internal…

  • Resolved

  • over 8 years ago
  • Space & High Reliability (Read Only)
  • Space & High Reliability Forum (Read Only)

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