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  • RE: TPS564257: TPS564257 7.5v output inductor choice

    Hi Hossam, I mean that if you have EVM board or your board, you can check the behavior and just measure them. Thank you! BRs Lucia

  • TPS564257: TPS564257DRLR

    TI Thinks Resolved
    Part Number: TPS564257 Other Parts Discussed in Thread: TPS62914 , TPS62913 , TPS62903 Tool/software: Hi, I need help in choosing a DC DC converter considering the following requirements Input Soruce: 5V coming through AC DC converter Five D cell connected…

  • TPS564257: TPS564257 D-CAP 3 or D-CAP 1?

    TI Thinks Resolved
    Part Number: TPS564257 Tool/software: Hello, I found TPS564257 to be listed as D-CAP in parametric search on TI website, while in datasheet it mentions D-CAP3. so kindly tell me if it is D-CAP1 or D-CAP3? either way, I need it to take 15v as input…
    • Answered

  • TPS564257: Schematic review - buck converter don't work

    Resolved
    Part Number: TPS564257 Tool/software: Hi, i created design with mentioned buck converter to convert 12V input to 3.3V for the STM32. But when i try the real device, i can't get 3.3 V output. And my input from 12 drop down around 0.6V. Can you pleas review…
    • Resolved
    • Answered

  • RE: TPS564257: Schematic review

    Resolved
    Hi Rhea, We have not seen an update from you for one month, so I assume the questions are answered and the issue is solved. If you don't have any further questions, can you please close the thread by clicking on resolved. Clicking the Resolved Button…
    • Answered

  • TPS564257: PSpice Simulation only possible with markers

    Resolved
    Part Number: TPS564257 Other Parts Discussed in Thread: TPS82130 Hello Team, after downloading the reference design model from https://www.ti.com/lit/zip/slum857 I tried to start the simulation without applying any changes to the design and I got below error…
    • Resolved

  • RE: TPS564257: Large output spikes.

    Hi Barry, Thanks for your feedback! (1) Let me clarify why there is spike when using full bandwidth. As you can see from below figure, the inductor has EPC( parallel parasitic capacitance ) and the output capacitor has ESL. Applying the fast edge of the…
    • Answered

  • TPS564257: Whether the output capacitor can use electrolytic capacitor?

    Resolved
    Part Number: TPS564257 Hi Team, Whether the output capacitor can use 220uF electrolytic capacitor? The capacitor on EVM is ceramic capacitor, 44uF. Consider 600kHz fixed frequency, seems ESR will not affect the performance, right? What's your profess…
    • Resolved
    • Answered

  • TPS564257: Recommendation for DC-DC converters with <8A average current limit

    Resolved
    Part Number: TPS564257 Other Parts Discussed in Thread: TPS565247 , TPS565208 Hi, We would like to get recommendation about the DC-DC converter parts. Our requirements are below. Vin = 5V Vout = 1V Output ≧ 4A Fixed average current limit <8A Note…
    • Resolved
    • Answered

  • TPS564257: Load/line regulation tolerance

    Resolved
    Part Number: TPS564257 Other Parts Discussed in Thread: TPS564247 , Team my customer is looking at TPS564257 (and the other variants of this series). The load and line regulation tolerance seems to be quite high, eg compared to TPS564247. Can you confirm…
    • Resolved

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