Over-current protection device for a switched-mode power supply

Details Over-current protection device for a switched-mode power supply Over-current protection device for a switched-mode power supply

2007-04-26

2010-10-19

Jackson, Stephen W (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

C361S093100, C361S100000, C361S154000, C323S282000

Reexamination Certificate

active

07817391

ABSTRACT:
An over-current protection device for use in a switched mode power supply prevents over-current conditions caused by short-circuits faults. The over-current protection device monitors a current in the switched mode power supply, and in particular, determines a peak current value associated with the monitored current. The monitored current is compared to a reference value to determine whether an over-current condition exists. If an over-current condition is detected, then the over-current protection device modifies the ‘off’ time of the switched mode power supply based on the determined peak current value.

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