下面是[TEA1753T GreenChip III开关电源控制电路]的电路图

TEA1753T是第三代 GreenChip III开关电源(SMPS)控制器,它集成了功率因素修正(PFC)控制器和反激控制器,通用火线电压70 VAC到276 VAC,内建的绿色功能在各个功率等级都实现了高效率:大功率时采用准谐振工作,低功率时采用降频工作,并把PFC关断,以获得高效率.主要用在250W的高削低成本电源,特别是笔记本电脑适配器.

TEA1753T应用:

The device can be used in all applications that require an efficient and cost-effective
power supply solution for up to 250 W. Notebook adapters in particular can benefit
from the high level of integration

图1.TEA1753T方框图

图2.TEA1753T典型配置图

图3.TEA1753T典型应用框图