TOP271VG

TOP264-271 TOPSwitch™-JX Family Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies Product Highlights EcoSmart – Energy Efficient Ideal for applications from 10 W to 245 W Energy efficient over entire load range No-load consumption below 100 mW at 265 VAC Up to 750 mW standby output power for 1 W input at 230 VAC High Design Flexibility for Low System Cost Multi-mode PWM control maximizes efficiency at all loads 132 kHz operation reduces transformer and power supply size 66 kHz option for highest efficiency requirements Accurate programmable current limit Optimized line feed-forward for line ripple rejection Frequency jittering reduces EMI filter cost Fully integrated soft-start for minimum start-up stress 725 V rated MOSFET Simplifies meeting design derating requirements AC IN DV TOPSwitch-JX CONTROL C S XF Figure 1. Typical Flyback Application. + DC OU-T PI-5578-090309 Extensive Protection Features Auto-restart limits power delivery to <3% during overload faults Output short-circuit protection (SCP) Output over-current protection (OCP) Output overload protection (OPP) Output overvoltage protection (OVP) User programmable for hysteretic/latching shutdown Simple fast AC reset Primary or secondary sensed Line undervoltage (UV) detection prevents turn-off glitches Line overvoltage (OV) shutdown extends line surge withstand Accurate thermal shutdown with large ...