Micrel, Inc. MIC4680
March 2008 7
M9999-032808
Bode Plots
The following bode plots show that the MIC4680 is stable over all conditions using a 68µF inductor (L) and a 220µF
output capacitor (C
OUT
). To assure stability, it is a good practice to maintain a phase margin of greater than 35°.
