HV9967是开环平均模式电流控制LED驱动器,集成了60V 0.8Ω MOSFET,可用作单独使用的降压转换器开关,LED电流精度3%,单个电阻设定LED电流,能和500V耗尽型MOSFET级联,主要应用在DC/DC或AC/DC LED驱动器,平板显示器的RGB背光,通用恒流源,信号和装饰LED照明以及充电器.

HV9967应用:

DC/DC or AC/DC LED driver applications

RGB backlighting of flat panel displays

General purpose constant current source

Signage and decorative LED lighting

Chargers

图1.HV9967功能方框图

图2.HV9967典型应用电路图

图3.HV9967低压DC输入的典型应用电路图