标题: SM7012引脚图电路图与pdf资料下载 恒压非隔离驱动电源芯片 [打印本页] 作者: qq2355773792 时间: 2018-4-27 18:22 标题: SM7012引脚图电路图与pdf资料下载 恒压非隔离驱动电源芯片 恒压非隔离驱动电源芯片SM7012技术文档资料原理图
Features
85v to 265v wide range AC voltage input
A 730v MOSFET on the same silicon chip
Auto start up with high voltage current source
PWM with current mode control
10v to 39v wide range VCC voltage
Fixed 55KHz switching frequency
Automatic skip cycle mode in low load condition.
Over temperature, over current and over voltage
protection
Auxiliary under voltage lockout with hysteresis