TNY268PN AC/DC Switching Converter IC

TNY268PN IC - Power Integrations AC/DC Converter

TNY268PN AC DC Converter used TinySwitch™-II technology which integrates a 700 V power MOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry onto a monolithic device. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias winding and associated circuitry. In addition, the TNY268PN switching converter IC incorporate auto-restart, line undervoltage sense, and frequency jittering. An innovative design minimizes audio frequency components in the simple ON/OFF control scheme to practically eliminate audible noise with standard taped/varnished transformer construction. 

The fully integrated auto-restart circuit in TNY268 safely limits output power during fault conditions such as output short circuit or open loop, reducing component count and secondary feedback circuitry cost. An optional line sense resistor externally programs a line undervoltage threshold, which eliminates power down glitches caused by the slow discharge of input storage capacitors present in applications such as standby supplies. The operating frequency of 132 kHz is jittered to  significantly reduce both the quasi-peak and average EMI, minimizing filtering cost. TNY268PN IC is used in chargers, power adapters and power supplies.

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Features of TNY268PN AC/DC Converter IC

Package Includes

1 x TNY268PN IC AC/DC Switching Converter IC