Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate
2006-09-19
2006-09-19
Berhane, Adolf (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Using a three or more terminal semiconductive device as the...
C323S283000
Reexamination Certificate
active
07109692
ABSTRACT:
A high-speed PWM control apparatus with adaptive voltage position and a driving signal generating method thereof is provided. The present invention automatically detects a change in the loading and adjusts the voltage position instantaneously for stabilizing the voltage and reducing the loading output power consumption. The present invention does not require a clock signal to generate a driving signal and does not require an error amplifier to control the modulation. Therefore, the present invention has a fast transient response that responds to the change of the loading instantaneously and has a stabilizing effect. When the apparatus is on a continuous conduction mode (CCM), the switching frequency of the controller is still fixed even though the input voltage Vin and the output voltage Vout are changed. The electrical-magnetic noise disturbance is improved.
REFERENCES:
patent: 6100677 (2000-08-01), Farrenkopf
patent: 6621256 (2003-09-01), Muratov et al.
patent: 6977830 (2005-12-01), Lee et al.
patent: 7061213 (2006-06-01), Yoshida
Duan Xiao-Ming
Huang Qin
Wu Chung-Cheng
Berhane Adolf
Niko Semiconductor Co., Ltd.
Power Management Associates LLC
Rosenberg , Klein & Lee
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