Higher order slope compensation for fixed frequency current...

Details Higher order slope compensation for fixed frequency current... Higher order slope compensation for fixed frequency current...

2006-10-24

2006-10-24

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S285000

Reexamination Certificate

active

07126318

ABSTRACT:
A method of generating a slope compensation signal for use in a current mode switching regulator. The method includes the steps of summing a clock signal and a reference signal so as to generate a linear ramp signal; generating a non-linear signal from the linear ramp signal; multiplying a correction signal with an input voltage signal so as to generate a signal which varies based on a measured value of a current flowing within the current mode switching regulator; summing a first voltage signal corresponding to the non-linear correction signal and a second voltage signal indicating the difference between an actual voltage level of the current mode switching regulator and the desired voltage level of the current mode switching regulator so as to generate a first output signal which represents the second voltage signal minus the first voltage signal; and comparing the first output signal and the measured value of a current flowing within the current mode switching regulator, and generating a second output signal utilized to control current flow within the current mode switching regulator based on the result of the comparison.

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