The VIPER319LDTR from STMicroelectronics is an offline switch Integrated Circuit supporting boost, buck, buck-boost and flyback topologies at 60 kHz, in a 16-SO package.
The VIPER319HDTR from STMicroelectronics is an offline switch Integrated Circuit supporting boost, buck, buck-boost and flyback topologies at 132 kHz, in a 16-SO package.
The VIPER319XDTR from STMicroelectronics is an offline switch converter Integrated Circuit for boost, buck, buck-boost and flyback topologies, operating at 132 kHz, in a 16-SO package.