TNY278 Energy Efficient / Off-Line Switcher
TinySwitch™-III incorporates a 700 V power MOSFET, oscillator, high-voltage switched current source, current limit (user selectable) and thermal shutdown circuitry. The IC family uses an ON/OFF control scheme and offers a design flexible solution with a low system cost and extended power capability..
TNY274-280 TinySwitch-III Family Energy-Efficient, Off-Line Switcher with Enhanced Flexibility and Extended Power Range Product Highlights Lowest System Cost with Enhanced Flexibility Simple ON/OFF control, no loop compensation needed Selectable current limit through BP/M capacitor value Higher current limit extends peak power or, in open frame applications, maximum continuous power Lower current limit improves efficiency in enclosed adapters/chargers .
TNY278 Features
* Accurate hysteretic thermal shutdown protection with
automatic recovery eliminates need for manual reset
* Improved auto-restart delivers
