代理产线

TEA1771

 2007-04-11

【基本数据】

【产品特性】

·高压供电, 宽电压, 通过高压供电直接启动
·波谷检测, S1为零电压开关
·软启动电路保证正常启动, 无过冲
·保护功能强, OCP, OVP, UVP (UVLO)
·初级驱动器特别集成高压, 高边 重定开关 (S2) 和高压电平移位元电路
·在待机模式下待机电路可以增加效率
·最大开关频率 = 150 KHz (可用外接电阻调整)
Control IC for an active clamp forward converter.

【产品应用】

80+ compliant PC’s, Small form factor PC, Consumer box size Media Center PCs, PC server

【文字介绍】

The TEA1771 is a primary control IC for an active clamp forward converter. This converter enables higher duty cycles up to about 70%. A higher maximum duty cycle lowers the
required breakdown voltage of both the primary and secondary switches, reducing the total cost of the system.