Hello,
I am using the switching regulator (LM2592HV-5.0 from national) in a battery-powered evaluation board. Vin = 12V and Vout is a constant 5V with load current between 100mA and 2A. To be precise, in standby-mode it uses 120mA; in active mode most of time 600mA, but with additional external components connected it may get up to 2A.
There is a software(SMS 6.24) that national offers at its website which can caluculate the component value. It gave me for each current the follwoing values: Vin Max=12V
2A: Cin=68uF Cout=68uF L1=47uH
0.6A: Cin=4.7uF Cout=68uF L1=82uH
0.12A: Cin=2.2uF Cout=22uF L1=330uH
What do I do now? Should I just pick the max current values?
Thank you very much for your help. JJ