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TNY256PN

Part Number	TNY256PN
Manufacturer	Power Integrations
Description	Low Power Off-line Switcher
Published	Jan 10, 2021
Detailed Description	® TNY256 TinySwitch® Plus Energy Efficient, Low Power Off-line Switcher Product Highlights TinySwitch Plus Features • E...
Datasheet	TNY256PN PDF File

Overview

® TNY256 TinySwitch® Plus Energy Efficient, Low Power Off-line Switcher Product Highlights TinySwitch Plus Features • Extended power range • Fully integrated auto-restart reduces short circuit current • Line under-voltage sense eliminates turn-off glitches • Frequency jittering dramatically reduces EMI (5 to 10 dB) • TO-220 package option Lowest Cost, Low Power Switcher Solution • Lower cost than RCC, discrete PWM and other integrated/hybrid solutions • Cost effective replacement for bulky linear adapters • Lowest component count • Simple ON/OFF control – no loop compensation components • No bias winding – simpler, lower cost transformer • Designed to work with low cost external components Extremely Energy Efficient • Consumes only 30/60 mW at 115/230 VAC with no load • Meets Blue Angel, Energy Star, Energy 2000 and 200mW European cell phone requirements for standby • Saves $1 to $4 per year in energy costs (at $0.
12/kWHr) compared to bulky linear adapters • Ideal for cellular phone chargers and adapters High Performance at Low Cost • High voltage powered – ideal for charger applications • High bandwidth provides fast turn on with no overshoot • Current limit operation rejects line frequency ripple • Built-in current limit and thermal protection Description The TNY256 extends the power range of the TinySwitch family of energy efficient, low power off-line switchers.
TinySwitch devices use a breakthrough design to provide the lowest cost, high efficiency, off-line switching solution for low power applications.
They integrate a 700 V power MOSFET, oscillator, high voltage switched current source, current limit and thermal shutdown circuitry into a single, monolithic device.
The devices start-up and operate on power derived from the DRAIN voltage, eliminating the need for a transformer bias winding and associated circuitry.
TinySwitch's low operating current allows power supply no-load consumption to be kept under 100 mW, even at 265 VAC input.
+ Optional UV Resistor...

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