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AC/DC Switcher with 900V MOSFET

LinkSwitch-XT2: AC/DC Switcher with 900V MOSFET

LinkSwitch-XT2 Switcher ICs Now Available with Integrated 900 V MOSFETs

POWER INTEGRATIONS just announced a new member of the LinkSwitch-XT2 offline switcher ICs incorporating 900 V primary MOSFETs. Targeting high-efficiency isolated and non-isolated flyback power supplies up to 8 W, the up-rated ICs are suitable for three-phase industrial power supplies to 480 VAC and high-quality consumer products destined for regions with unstable mains grids, tropical regions with frequent lightning strikes or any area where high-energy ring-waves and surges are prevalent.

 

The 900V versions of the LinkSwitch-XT2 IC family are optimized for high efficiency, enabling designs to easily meet Energy Related Products (ErP) limits. LinkSwitch-XT2 power supplies use less than 30mW when unloaded and have high conversion efficiency across the load range. This makes the new devices ideal for IoT as well as home and building automation (HBA) systems which spend substantial time in active standby monitoring radio or networking interfaces. The ICs feature selectable current limit and fully integrated auto-restart for short-circuit and open-loop protection. The use of frequency jittering greatly reduces EMI so that devices easily meet high-voltage creepage and clearance requirements between the DRAIN and all other pins both on the PCB and on the package.

 

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