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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
The resulting gain and phase Bode plots can be seen in Figure 4–24.
Design of the overcurrent protection circuit
The MC34067 has only a simple comparator with a 1.0V threshold that then
latches an R-S flip-flop. Either the input voltage must be removed and then
reapplied, or the Vcc of the control IC must be interrupted momentarily to reset
the failure latch.
I desire only a fairly rudimentary overcurrent protection that will be set at
about 12A. I will use a 100:1 current transformer followed by a rectifier bridge
then an R-C integrator-smoother.
The peak current within the primary circuit is 3.1A, which will occur at low-
line and at a 200 to 400kHz operating ...
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Publisher Resources

ISBN: 9780750673297