H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 7/08 (2006.01) H02M 1/00 (2007.10)
Patent
CA 2707889
Techniques pertaining to multiple-input comparator and power converter designs are disclosed. According to one aspect, the present invention discloses a multiple-input comparator comprising a pair of differential transistors connected by a resister. The gate terminals of the transistor pair serve as the input terminals of the comparator for receiving external voltage for comparison. The terminal of the resistor serves as the current input terminal and is either connected to a current source or a current sink. A power inverter utilizing the multiple-input comparator is also disclosed. The power inverter comprises a power switch driven by a PMW signal, a voltage sampling circuit, an error amplifier and a multiple-input PWM comparator.
Dong Xianhui
Wang Zhao
Yang Dave Xiaodong
Smiths Ip
Wuxi Vimicro Corporation
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