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Partname:TNY254
Description:TinySwitch Family Energy Efficient, Low Power Off-line Switchers
Manufacturer:
Datasheet:PDF (498K).
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The TinySwitch family uses a breakthrough design to provide the lowest cost, high efficiency, off-line switcher solution in the 0 to 10 W range. These devices integrate a 700 V power MOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry. They start-up and run on power derived from the DRAIN voltage, eliminating the need for a transformer bias winding and the associated circuitry. And yet, they consume only about 80 mW at no load, from 265VAC input. A simple ON/OFF control scheme also eliminates the need for loop compensation. The TNY253 and TNY254 switch at 44 kHz to minimize EMI and to allow a simple snubber clamp to limit DRAIN spike

Click here to download TNY254 Datasheet
Click here to download TNY254 Datasheet
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