The new fixed frequency 700 V/800 V CoolSET uses a high voltage Superjunction MOSFET in combination with an internal current regulator in a cascode configuration. This combination provides rapid startup, and easy implementation of brown in protection. The integrated 800 V MOSFET and optimized leading edge blanking time support high AC line inputs up to 350 VAC. Switching losses are reduced through an eco-mode which features a reduced switching frequency at mid and light load conditions.
In addition to the standard output short, overload and over voltage protection, the CoolSET can detect abnormal line input conditions. In-system protection includes VCC and CS pin short-to-ground to prevent controller damage during abnormal startup conditions. Over temperature protection uses hysteresis to improve operational fault handling. All protection modes are implemented with auto-resume to minimize interruptions to system operation.
Availability
The complete Fixed Frequency 700 V and 800 V CoolSET 5th generation product portfolio is available now. The integrated CoolSET devices are available in DIP-7 and DSO-12 and the standalone fixed frequency PWM controller is available in a DSO-8 package. Further information can be found at www.infineon.com/ff-pwm and www.infineon.com/coolset-ff .
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Photo - https://photos.prnasia.com/prnh/20180410/2100969-1
Caption: The complete Fixed Frequency 700 V and 800 V CoolSET 5th generation product portfolio is available now in DIP-7 and DSO-12 and the standalone fixed frequency PWM controller is available in a DSO-8 package.