5Suns
Power supply device
The present invention relates to a power supply device for voltage converter, which includes a master switch, a first controller for generating a first pulse signal to drive the master switch to be turned on and turned off, a second controller for comparing a detection voltage representing an output voltage and/or load current with a first reference voltage to determine the logic state of a control signal generated by the second controller, and a coupling element connected between the first controller and the second controller for transmitting the logic state of the control signal to the first controller and enabling the first controller to determine the logic state of the first pulse signal according to the logic state of the control signal. The second controller includes a driving module for generating a second control signal to drive a synchronous switch to be turned on and turned off.
Alpha & Omega Semiconductor (Cayman), Ltd.
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Yung-Chuan Jung-Pei Wei-Ting Yueh-Ping Tien-Chi Yu-Ming Pei-Lun
Hsu Cheng Wang Yu Lin Chen Huang