The LinkSwitch-LP product family is used to replace low-efficiency, power-off linear power supplies below 2.5 W. Applications include mobile/cordless phones, PDAs, digital cameras, and portable audio players. LinkSwitch-LP is also suitable for auxiliary power supplies used in white appliances. LinkSwitch-LP integrates a 700 V power MOSFET and an on/off controller in one device. It can be fully self-powered through the drain pin, and reduces EMI by modulating the switching frequency, while also having comprehensive fault protection functions. The automatic restart function limits the power dissipation of the device and circuit in the event of an overload and output short circuit, while the hysteretic overtemperature protection function prohibits the internal MOSFET switching operation in the event of a temperature fault. EcoSmart® technology allows designs to easily meet no-load power consumption requirements of less than 150 mW, meeting the requirements of energy-saving standards around the world.
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