TOP224YN Datasheet

Three-terminal Off-line PWM Switch


The second generation TOPSwitch™-II family is more cost effective and provides several enhancements over the frst generation TOPSwitch family. The TOPSwitch-II family extends the power range from 100W to 150W for 100/115/230 VAC input and from 50W to 90W for 85-265 VAC universal input. This brings TOPSwitch technology advantages to many new applications, i.e. TV, Monitor, Audio amplifers, etc. Many signifcant circuit enhancements that reduce the sensitivity to board layout and line transients now make the design even easier.

Product Highlights
• Lowest cost, lowest component count switcher solution
• Cost competitive with linears above 5 W
• Very low AC/DC losses – up to 90% effciency
• Built-in Auto-restart and Current limiting
• Latching Thermal shutdown for system level protection
• Implements Flyback, Forward, Boost or Buck topology
• Works with primary or opto feedback
• Stable in discontinuous or continuous conduction mode
• Source connected tab for low EMI
• Circuit simplicity and Design Tools reduce time to market



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