Soft-start circuit for power converters

Details Soft-start circuit for power converters Soft-start circuit for power converters

2006-08-08

2006-08-08

Patel, Rajnikant B. (Department: 2838)

Electricity: power supply or regulation systems

For reactive power control

Using converter

C323S222000, C363S016000, C363S024000

Reexamination Certificate

active

07088078

ABSTRACT:
A soft-start circuit for a power converter including a switch controlled to cause the soft-start interval for the converter to be terminated when a predetermined condition is fulfilled. The predetermined condition is preferably the output voltage of the converter stabilizing at its normal operational level. The soft-start circuit detects when the predetermined condition is fulfilled and enables the converter to more rapidly recover after the initiation of a soft-start. In a preferred embodiment, the soft-start circuit includes a protection circuit for adjusting the soft-start voltage linearly as a function of the duration and magnitude of an overcurrent condition at the output so as to provide a scaled level of protection for the converter.

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Semiconductor Components Industries, NLAST4599, “Low Voltage Single Supply SPDT Analog Switch”, 12 pages, Apr. 2001.
ST Microelectronics Data Sheet, L4981A L4981B, Power Factor Connector, 17 pages, Oct. 2000.

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