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AC DC power supply churns out 1500W across input range

19 Jul 2013  | Steve Taranovich

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A 1500W AC-DC power supply that does not require any derating at low line has been debuted by Emerson Network Power. The LCM1500Q-T-4 is the latest model in Emerson's LCM series and provides the full power across the input range 90 to 264VAC.

The power supply is rated for 24V single output, which can be trimmed to ±10 per cent. A digital control loop optimises efficiency across a wide load range, giving efficiency greater than 91 per cent at full load, a typical power factor of 0.99, and a power density of 12W/in3. The supply offers a 5V standby voltage to enable OEM standby functions even when the equipment is nominally off.

Backed by a comprehensive set of industrial and medical safety approvals, Emerson's power supply is ideal for industrial applications such as burn-in systems, test and measurement equipment, laser-carving machines, and factory automation; non-patient contact and non-patient critical medical, dental and laboratory applications; as well as for telecom and data com equipment.

The power supply has a minimum MTBF of 300K hours using the Bell core 332, issue 6 specification at 25°C and 40°C, ambient, at full load. With the power supply installed in a system in a 25°C ambient environment and operating at full load, capacitor life can reach 10 years, minimum for ALL electrolytic capacitors contained within this power supply. The power supply demonstrates a MTBF level of > 500,000 hours.




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