Short Circuit Protection of Regulated Power Supplies.
DEPARTMENT OF THE ARMY WASHINGTON DC
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A Schottky diode, whose forward voltage is 0.4 volts is connected between the load and one input of the sense amplifier, which has a minimum operating voltage of 0.6 volts. When the load becomes short circuited or drops to a very low resistance, the Schottky diode conducts to shut down the sense amplifier, which cuts off the series pass transistor. When the load resistance rises to a predetermined value, the Schottky diode becomes reverse biased, permitting the regulator to return to its normal regulation operation. Author
- Electrical and Electronic Equipment
- Electric Power Production and Distribution