Answered

• TPS54331: Questions about selection of compensation component

  

  Shunsuke Yamamoto

  Resolved

  Part Number: TPS54331 Hi team, On the datasheet, the calculation of compensation component is depicted. What is alpha mean in the equation 21? Best regards, Shunsuke Yamamoto

  • Resolved

  • over 1 year ago
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• RE: TPS54331: Step Down Converter

  

  Athos Zhao

  Hi Jay, I will close this post as long time no feedbacks. If you need further support, please reply here and this post will be open again.

  • over 1 year ago
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Answered

• TPS54331: Voltage Output Curve

  

  Sachin Tiwari

  Resolved

  Part Number: TPS54331 I have designed a DC to DC that has input of 12 to 18V and output at 8.5V. Following is the schematic used I am getting the desired result but when I measure the output, I am getting the following result The output rise isnt smooth…

  • Resolved

  • over 1 year ago
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Answered

• TPS54331: inductor ripple current with 0.8 ?

  

  kingson zhang

  Resolved

  Part Number: TPS54331 Other Parts Discussed in Thread: TPS54561 , Hello TI, why there is 0.8 in eq(9) of tps54331 datasheet? it's different from tps54561.

  • Resolved

  • over 1 year ago
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• RE: TPS54331: Failure of 24V-to-3.3V circuit.

  

  Miranda Gu

  Hi Kieran, Sure, look forward to your test progress, let me know your further support need.

  • over 1 year ago
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• TPS54331: Output issue

  

  Ning Li

  TI Thinks Resolved

  Part Number: TPS54331 Dears, Customer use the TPS54331,the input is 24VDC,output is 5VDC. 1.Now they find when the C180 is 8200pF and C178 is 68pF and C172 is 22pF,the output waveform shows ladder,pls find attachfie for waveform#1. 2.When the C180 is 104…

  • over 1 year ago
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• TPS54331: Require to design a EMI filter for DC-DC switching regulator

  

  Pallav Patidar

  TI Thinks Resolved

  Part Number: TPS54331 I want to add input filter circuit which is use for EMI and EMC. Please help me for design the filter.

  • over 1 year ago
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• TPS54331: Adding load to TPS54331 results in no output

  

  Skylar Li

  TI Thinks Resolved

  Part Number: TPS54331 Other Parts Discussed in Thread: TINA-TI Hi experts. I design the TPS54331 like below: I found that when there is no load, the Vout is 3.3V. However, when I add load in the output, there is no Vout. Could you pls help sovle it…

  • over 2 years ago
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• TPS54331: TPS54331 Incomplete revision history in the datasheet

  

  Wouter Kragt

  TI Thinks Resolved

  Part Number: TPS54331 Hi team, The revision history of the datasheet of TPS54331 does not include the revision history from revision A to D, please see the attached figure. Is it possible to provide the revision history from A to D? Thank you. Kind…

  • over 2 years ago
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• TPS54331: Device cannot start up under 5V input

  

  Brian Wang0

  TI Thinks Resolved

  Part Number: TPS54331 Hi team, My customer is using TPS54331 as 5V to 3.3V converter. The device would be start up at a 330R fake load and real load would be added ~5s after device power up. They found there is a possibility that the device cannot start…

  • over 1 year ago
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