Part Number: LM27402DESIGN-CALC Other Parts Discussed in Thread: LM27402 Tool/software: WEBENCH® Design Tools Hi,
Could you please send me the excel document of LM27402 caculator.
I remenber we can download this form from website before.
Tks.
Welcome Back,
The RIN is part of the filter. The RIN value is discussed in LM27402SQEVAL user guide section 9.1.
https://www.ti.com/lit/ug/snva406c/snva406c.pdf
use the calc tool or webench tool to estimate the input capacitor
https://www.ti.com/tool…