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TOP221YN - Three-Terminal Off-Line PWM Switch

General Description

The second generation TOPSwitch™-II family is more cost effective and provides several enhancements over the first 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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This product is not recommended for new designs. TOP221-227 TOPSwitch-II Family Three-Terminal Off-Line PWM Switch Product Highlights • Lowest cost, lowest component count switcher solution • Cost competitive with linears above 5 W • Very low AC/DC losses – up to 90% efficiency • 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 Description The second generation TOPSwitch™-II family is more cost effective and provides several enhancements over the first generation TOPSwitch family.