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12W 12V Evaluation board using ICE3B0565

This application note is a description for a switching mode power supply Evaluation Board designed in a typical off-line flyback converter topology that utilizes the ICE3B0565 F3 CoolSETTM. The application operates in discontinuous conduction mode and is especially suitable as an AC/DC power supply for LCD monitors, adapters for printers and notebook computers, DVD players and set-top boxes in addition to industrial auxiliary power supplies. Designed based on the proven technology of F2 CoolSETTM ICE2xxxxx, the F3 CoolSETTM provides Active Burst Mode to reach the lowest Standby Power Requirement at less than 100mW during no load conditions. In Active Burst Mode the ripple of the output can also be reduced to less than 1%. Furthermore, an adjustable Blanking Window by varying the value of Soft Start capacitor is being offered to support applications which needs surge power for a limited period of time (e.g. switching on capacitive loads)

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Oct 30, 2008