J jnnewton Member Dec 19, 2007 #1 I need -12V for an op amp to generate a +/-10V signal. I have two national smps for 12 and 5 v that i use for everything, the lm25576. i will need approx 200 mA @ -12V, what i would like to maximize efficiency, board space, and cost.
I need -12V for an op amp to generate a +/-10V signal. I have two national smps for 12 and 5 v that i use for everything, the lm25576. i will need approx 200 mA @ -12V, what i would like to maximize efficiency, board space, and cost.
dknguyen Well-Known Member Most Helpful Member Dec 19, 2007 #2 Read the component datasheet. Page 21 if you are unsure what you are looking for.