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10W 5V Evaluation Board using ICE3AR10080CJZ

This document is an engineering report of an universal input 10W 5V off-line flyback converter power supply utilizing IFX F3R80 CoolSET® ICE3AR10080CJZ. The application demo board is operated in Continuous and Discontinuous Conduction Mode (CCM & DCM) and is running at 100 kHz switching frequency. It has a single output voltage with secondary side control regulation. It is especially suitable for small power supply such as DVD player, set-top box, game console, charger and auxiliary power of high power system, etc. The ICE3AR10080CJZ is the enhanced version of ICE3ARxx80JZ (CoolSET® -F3R80), the major new featrures includes slope compensation for continuous conduction mode (CCM), fast AC reset after latch enabled, fixed voltage brownout detect/reset. Besides having the basic features of the F3R80 CoolSET® such as Active Burst Mode, propagation delay compensation, soft gate drive, auto restart protection for major faults (Vcc over voltage, Vcc under voltage, over temperature, over-load, open loop and short opto-coupler), it also has the BiCMOS technology design, selectable entry and exit burst mode level, built-in soft start time, built-in blanking time, frequency jitter feature and external latch enable, etc. The particular features need to be stressed are 800V Mosfet,CCM/DCM operation, fixed voltage Brownout detect/reset, fast AC reset, the bestin-class low standby power and the good EMI performance.

• 3.06 MB
• Jan 07, 2013