For the application background of portable electronic products, which need batteries to offer voltage, the implementation technique of PFM controller in boost DC/DC converter is also studied in this dissertation.

• 本文基于使用锂电池供电的便携式电子设备,研究了脉频调制升压式DC/DC变换器的原理和实现技术,采用脉频调制方式的DC/DC变换控制器,设计出系统要求的稳定电压。