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TNY253GN Datasheet Low Power Off-line Switcher

Manufacturer: Power Integrations

Overview: TNY253/254/255 TinySwitch™ Family Energy Efficient, Low Power Off-line Switchers Product Highlights Lowest Cost, Low Power Switcher Solution • Lower cost than RCC, discrete PWM and other integrat- ed/hybrid solutions • Cost effective replacement for bulky linear adapters • Lowest component count • Simple ON/OFF control – no loop compensation devices • No bias winding – simpler, lower cost transformer • Allows simple RC type EMI filter for up to 2 W from universal input or 4 W from 115 VAC input Extremely Energy Efficient • Consumes only 30/60 mW at 115/230 VAC with no load • Meets Blue Angel, Energy Star, Energy 2000 and 200 mW 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, standby power supplies for PC, TV and VCR, utility meters, and cordless phones.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

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.

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