TOP254-258 TOPSwitch-HX介绍

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Product Highlights
Lower System Cost, Higher Design Flexibility
Multi-mode operation maximizes effi ciency at all loads
No heatsink required up to 35 W using P, G and M packages
with universal input voltage and up to 48 W at 230 VAC
Output overvoltage protection (OVP) is user programmable for
latching/non-latching shutdown with fast AC reset
Allows both primary and secondary sensing
Line undervoltage (UV) detection prevents turn-off glitches
Line overvoltage (OV) shutdown extends line surge limit
Accurate programmable current limit
Optimized line feed-forward for line ripple rejection
132 kHz frequency (Y package) reduces transformer and power
supply size， 大小：3.73 MB