Small capacitor supports telecom power supply during brownouts
by Samuel Kerem, Rockville, MD; Edited by Charles H Small and Fran Granville, EDN, May 15 2008
Focus:
With a relatively small capacitor, a charge pump can keep a telecom dc-dc converter (brick) operating through a brownout.
What you’ll learn:
- How to maintain operation of a dc-dc converter brick during brownout using minimal capacitance
- How to calculate capacitance required by a dc-dc converter brick to maintain operation during brownout
Notes:
An EDN Design Idea
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