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TPS61099: TPS610992 input and output capacitor selection

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Part Number: TPS61099

I'm working on a small temp patch design w/ TPS610992 so I need to optimize the pcb size. The EVM uses 0603, 25-V 10uF capacitors (GRM188R61E106MA73D) for the input and output.  I found 0402, 10-V 10uF capacitors (CL05A106MP5NUNC) as a smaller replacement.  My max input voltage is 1.6V (coin cell battery) and the output voltage is 2.5V.  The average load current is 4mA (30mA peak during radio tx/rx).

Please advise if this replacement is okay.

-Kelvin

  • Hi Kelvin:

    Got it. It should be OK to use 0402 size. Better do a load transient test to see if any unstable issue. 

    Best Regards

    Minqiu

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