TNY277PN, TNY280 Datasheet - Power Integrations

TNY277PN - 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

TNY277PN Features

* Accurate hysteretic thermal shutdown protection with automatic recovery eliminates need for manual reset

* Improved auto-restart delivers

TNY280_PowerIntegrations.pdf