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BUY TNY179P https://www.utsource.net/itm/p/6027563.html

The TNY179P is a high-efficiency, low-power, off-line, fixed-frequency current-mode PWM controller IC from Power Integrations. It is designed for use in flyback converters with a wide input voltage range of 90-265VAC. Features: Low start-up current Low operating current High efficiency Low standby power Fixed frequency operation Internal soft-start Internal over-temperature protection Internal over-voltage protection Internal under-voltage protection Internal short-circuit protection Internal open-loop protection Applications: AC/DC adapters Battery chargers LED lighting Uninterruptible power supplies Telecom power supplies (For reference only)