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Power Supply Cookbook, 2nd Edition
book

Power Supply Cookbook, 2nd Edition

by Marty Brown
June 2001
Intermediate to advanced content levelIntermediate to advanced
280 pages
10h 38m
English
Newnes
Content preview from Power Supply Cookbook, 2nd Edition
Defining the control-to-output characteristic
The output filter pole is determined by the filter inductor and capacitor and is
a -40 dB/decade rolloff. Its nominal corner frequency is
(3.58)
The zero caused by the output filter capacitor(s) (ESR is two 150mohms in
parallel) is
The intrinsic absolute gain of the power circuit at dc is
Locating the compensating poles and zeros of the error amplifier
I shall use a gain cross-over frequency of 15kHz, which is quite satisfactory for
the majority of applications. This yields a transient response time around
200mS.
f
xo
= 15 kHz
First one assumes that the final closed loop compensation network will have
a continuous ...
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Publisher Resources

ISBN: 9780750673297