The VIPER12ADIP-E with AC/DC Converters Low Power OFF-Line SMPS Primary manufactured by STMicroelectronics is a high performance synchronized integrated circuit which can be used for a variety of low power off-line switch mode power supplies (SMPS) applications. This device offers an integrated solution for high current applications up to 6 amps, while also featuring an integrated soft start controller, light load operation, high efficiency, and low component count. Its high frequency switching design helps reduce device requirement count, making it an ideal choice for applications with limited board space. The integrated MOSFET and bootstrap-diode circuit helps ensure high reliability and improved EMC performance.