VIPER222 – high voltage MOSFET with a PWM control

6 July, 2020

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The VIPER222 device is a high performance high voltage converter that combines a 730 V rugged power MOSFET with a PWM control. The device embeds the high voltage startup and the current sense circuit, avoiding the use of extra components in the BoM. Frequency jittering spreads the EMI and allows the use of a small filter. The burst mode technique allows to obtain a very low input power consumption at light load.

Key features

730 V avalanche rugged power MOSFET
PWM controller
1.2 V reference voltage
Frequency jittering
40 mW no load input power at 230 VAC
Short-circuit protection
Thermal shutdown

more information: www.st.com

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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