LNK353 Datasheet (Power Integrations) - (LNK353 / LNK354) Low Power Off-Line Switcher IC

LNK353, (LNK353 / LNK354) Low Power Off-Line Switcher IC

LinkSwitch-HF integrates a 700 V power MOSFET, oscillator, simple ON/OFF control scheme, a high voltage switched current source, frequency jittering, cycle-by-cycle current limit, and thermal shutdown circuitry onto a monolithic IC.

The start-up and operating power are derived directly from the DRA

LNK353 Features

* Optimized for Lowest System Cost

* Fully integrated auto-restart for short-circuit and open loop protection

* Self-biased supply

* saves transformer auxiliary winding and associated bias supply components

* Tight tolerances and negligible temperature variation on key