The STMicroelectronics VIPER12ASTR-E is an adjustable voltage regulator with driver that is used for manually controlling the output voltage of an AC-DC switched mode power supply (SMPS). It has a maximum output voltage of 0?730V, current of 4.5mA, and a maximum power rating of 8W. It has a single channel, operating frequency of 60kHz, and comes in the small outline 8-pin (SO8) package. Its integrated circuitry eliminates external circuitry and components which reduces the overall system complexity and cost. The VIPER12ASTR-E is suitable for a wide range of applications, including PC power supply, TV sets, digital cameras, small electric motors, and solar energy systems.