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 VIPer: TIME to SWITCH  ST's revolutionary VIPer® series of off-line switch mode power supply regulators combines an optimized, high voltage, avalanche rugged Vertical Power MOSFET with state-of-the-art PWM circuitry. The result is truly innovative AC to DC conversion that is simpler, quicker and - with component count halved - less expensive. In addition to benefits such as adjustable switching frequencies up to 200kHz, optimized current mode control and comprehensive built-in protection circuits, the VIPer family represents the easiest solution for compliance with the Blue Angel and Energy Star ECO Norms. Total power consumption from the mains when the system is in Standby mode is below 1W. An emerging application for auxiliary switch mode power supplies is in medium and high-end color TVs, where the new ECO norms require a dramatic reduction in the power drawn from the mains when the equipment is running in Standby mode.  Because of the wide range of power levels supported, the VIPer family offers optimized solutions for all power supplies in the computer market sector, including Universal Serial Bus (USB) hubs and auxiliary power supplies for Standby that are required in the new generation of desktop computers. The VIPer family is equally suitable for use in a wide range of computer peripherals, including docking stations, PC audio subwoofers, removable mass storage devices, external tape and removable disk drives, A/B switches, small LAN boxes, scanners and printers. The family is also ideal for battery chargers in cellular phones, electric handheld tools and similar equipment that is recharged from a wall socket. In particular, the VIPer20DIP is the lowest cost solution on the market today, making it the solution of choice in consumer applications where cost is a critical factor.  |
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