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Off-Line Switcher

TOP248YN AC-DC Off-Line Switcher
TOP248YN AC-DC Off-Line Switcher

TOP248YN AC-DC Off-Line Switcher

The TOP248 is a highly integrated, monolithic off-line switcher IC designed for use in low-power offline flyback converters. Manufactured by Power Integrations, it incorporates a 700 V power MOSFET, high-voltage switched current source, and current-mode PWM control circuitry into a single chip.
TNY278 Switching Converter IC
TNY278 Switching Converter IC

TNY278 Off-Line Switcher IC

TinySwitch-III TNY278 combines a high voltage power MOSFET switch with a power supply controller in one device.