Switching regulator

Details Switching regulator Switching regulator

2007-01-05

2008-03-11

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S272000

Reexamination Certificate

active

07342384

ABSTRACT:
In a switching regulator circuit having a function of bypassing a power supply and an output terminal, there is provided a switching regulator that obtains a stable output voltage even if the operation of the bypass function is changed over. A reference voltage that is inputted to an error amplifier is set to a higher voltage value in a bypass state, and is gradually decreased to a desired value when the bypass state is canceled.

REFERENCES:
patent: 6806692 (2004-10-01), Lee
LINEAR Technology, “1.5 MHz, 600 mA Synchronous Step-Down Regulator with Bypass Transistor,” 2003.

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