Soft-start circuit

Details Soft-start circuit Soft-start circuit

2011-06-14

2011-06-14

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

C323S317000

Reexamination Certificate

active

07960962

ABSTRACT:
The present invention discloses a soft-start circuit having a reference signal generator, a first current generator, a second current generator, and a soft-start capacitor. The reference signal generator generates a first signal and a second signal. The first current generator generates a first current according to the first signal, and the second current generator generates a second current according to the second signal. The soft-start capacitor is coupled to the first current generator and the second current generator, and charged by a current difference of the first current and the second current to generate a soft-start signal.

REFERENCES:
patent: 6525517 (2003-02-01), Hojo et al.
patent: 6815938 (2004-11-01), Horimoto
patent: 7088078 (2006-08-01), Liu
patent: 2004/0027106 (2004-02-01), Martins
patent: 2007/0030709 (2007-02-01), Kitagawa

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