Digitally Controlled 500-W Power Supply

July 12, 2007
The Astec NTS503 power supply offers a convection-cooled 200 W or forced-air fan-cooled 500 W of digitally controlled power in a 4 X 7 X 1.

The Astec NTS503 power supply offers a convection-cooled 200 W or forced-air fan-cooled 500 W of digitally controlled power in a 4 X 7 X 1.5 in. enclosure for use in 1U-high rack installations. The universal input accepts 85 to 264 Vac at any frequency from 47 to 440 Hz. Output is a tightly regulated 12 Vdc at 16.6 or 41.7 A for distribution to nonisolated point-of-load dc-dc converters. The supply has an always-on 5 Vdc at 2 A for applications that require standby operation and a 12-Vdc output for powering fans. Digital control is via a PMBus-compliant I2C interface. Both version operate from 0 to 70°C.

Emerson Network Power, Box 4100, 8000 West Florissant Ave., St. Louis, MO 63136, (314) 553-2000, emersonnetworkpower.com

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