Slope compensation circuit

Details Slope compensation circuit Slope compensation circuit

2009-12-18

2011-11-15

Gannon, Levi (Department: 2817)

Oscillators

Relaxation oscillators

Output supplied to another discharge device circuit

C331S111000, C327S132000, C327S134000, C327S172000, C332S110000

Reexamination Certificate

active

08058939

ABSTRACT:
A slope compensation circuit includes an oscillator for generating a first clock signal having a reference frequency, a ramp signal generator for generating a ramp signal having a duty ratio of about 50% or higher based on the first clock signal, and a slope compensation signal generator for outputting a slope compensation current based on the ramp signal.

REFERENCES:
patent: 3613112 (1971-10-01), Kanter
patent: 5335162 (1994-08-01), Martin-Lopez et al.
patent: 5498995 (1996-03-01), Szepesi et al.
patent: 6369665 (2002-04-01), Chee et al.
patent: 6819154 (2004-11-01), Greenfeld
patent: 6930520 (2005-08-01), Solie
patent: 7317362 (2008-01-01), Sakuma et al.
patent: 7420431 (2008-09-01), Hwang et al.
patent: 2009/0154543 (2009-06-01), Jin

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