摘要
介绍了 L5991芯片的待机功能,并在由 UC3842芯片构成的反激开关电源电路的基础上设计了待机电路,使该开关电源电路实现了待机功能。
The standby function of L5991 is introduced,and a circuit is designed based on the flyback DC/DC power supply.which is controlled by UC3842.the flyback DC/DC power supply standby function is realized by the circuit.
出处
《电源技术应用》
2003年第12期25-27,共3页
Power Supply Technologles and Applications
