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ADM1278 ISET & ISTART Quick Calculation

Question asked by Jacky-chen-2 on May 18, 2015

Dear All:

I always have a lot of questions about ADM127x ISET and ISTART calculation ,ADI HotSwapDesigner excel file calculated resistor value , sometimes we not have these component can be used, so can you tell me how fast to calculate resistance values of these functions?  You can refer to the following calculation of ADP505x Vout(Figure 1) or ADD5211 ISET calculation Model. thanks

 

 

Figure 1: The following is ADP505x Vout calculation format It's my design

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Figure 2:ADD5211 ISET calculation

Thanks.

Jacky

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