Automatic restart circuit for a switching power supply

Details Automatic restart circuit for a switching power supply Automatic restart circuit for a switching power supply

1986-05-05

1987-12-29

Salce, Patrick R.

Electric power conversion systems

Current conversion

With starting arrangement

323901, H02M 7517

Patent

active

047165103

ABSTRACT:
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.

REFERENCES:
patent: 4263645 (1981-04-01), Zallmer
patent: 4288831 (1981-09-01), Dolikian
patent: 4563733 (1986-01-01), Schlenk
Palmucci; "Switching Regulator Start-Up Circuit"; IBM Technical Bulletin, vol. 19, No. 3, Aug. 1976.

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