Retriggerable monostable multivibrator quickly discharges power-supply capacitor

Focus:

A multivibrator IC, power MOSFET and resistor form a circuit that discharges a line-powered power supply's filter capacitor in one second to allow technicians or engineers to safely work on a power supply during product development or repair.

What you’ll learn:

• How to safely discharge the filter capacitor of an ac-powered power supply

Notes:

An EDN Design Idea

View the Source

Author & Publication:

Jordan Dimitrov, Tradeport Electronics, Vaughan, ON, Canada; Edited by Charles H Small and Fran Granville, EDN, Mar 20 2008

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