Switching regulator and slope correcting circuit

Details Switching regulator and slope correcting circuit Switching regulator and slope correcting circuit

2005-04-26

2005-04-26

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S242000, C323S280000

Reexamination Certificate

active

06885177

ABSTRACT:
A switching regulator has an input terminal for receiving an input voltage, an output terminal for outputting an output voltage, a coil connected between the input terminal and the output terminal, and a slope correcting circuit for outputting a signal adapted to carry out slope correction for preventing current oscillation. An error amplifier compares one of the output voltage and a voltage division value of the output voltage with a reference voltage to output a signal, and a switch controls the output voltage with a signal generated using results obtained by arithmetically operating the output signal of the slope correcting circuit and the output signal of the error amplifier. The slope correcting circuit outputs a signal obtained by adjusting the signal adapted to carry out the slope correction in correspondence to the output voltage.

REFERENCES:
patent: 6177787 (2001-01-01), Hobrecht
patent: 6650092 (2003-11-01), Lidak et al.
patent: 6744241 (2004-06-01), Feldtkeller

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