与常用的38XX系列不一样的控制器。稳定易用。

文档内容节选

UNISONIC TECHNOLOGIES CO LTD UC384445 LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS DESCRIPTION The UTC UC38443845 are high performance fixed frequency current mode controllers that specifically designed for OffLine and DC to DC converter applications with minimal external parts count The differences between UC3844 and UC3845 are the maximum duty cycle ranges and undervoltage lockout thresholds The UC3844 ideally suited to offline applicatio......