Automatic restart circuit for a switching power supply
 A pulse width modulation controller for use in low power current mode switching power supplies includes a unique internal fault timer that initiates restart for overload recovery. The fault timer is responsive to an overload condition for discharging a soft-start capacitor to initiate the restart sequence of the controller. 
Motorola, Inc.
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inventional inventional additional additional additional
W. David Wei C.
Pace Wang