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Ericsson introduces high-efficiency power modules with ultra-wide input voltage range

New power DC/DC power modules deliver up to 120W within ultra-wide input range from 18 to 75V DC. Targeting wide range of applications in telecommunication and industrial markets, new PKB5000W series delivers efficiency of typically 91.5 percent. Available in industry-standard eight-brick format, new series offers outstanding thermal performance.

Ericsson has introduced the PKB5000W series of open-frame isolated 120W eighth-brick DC/DC power modules that offer high current output and high efficiency. Importantly, the new PKB5000W module features an ultra-wide input range of 18 to 75V DC, which means that the device is also suitable for 24V or 48V telecom systems. Joining the recently announced PKU5510E, PKE5000 and PKE3000, the PKM5000W series expands upon Ericsson’s portfolio of converters that offer highly flexible power conversion to applications that require an ultra-wide input voltage range.

"With the launch of the PKB5000W series, Ericsson is further expanding its extensive portfolio of high-efficiency DC/DC converter modules that offer an ultra-wide-input voltage range," said Patrick Le Fèvre, Marketing and Communication Director, Ericsson Power Modules. "These highly flexible power converters will enable Ericsson to meet a myriad of high-density applications in telecommunications and industrial markets, in particular to support the growing demand in mini and micro radio base stations and other leading-edge networking equipment."

Offering outstanding thermal performance and derating capabilities, the module delivers very high efficiency of typically 91.5 percent at 12V full load. The single output units offer the nominal outputs of 3.3, 5 or 12 VDC with maximum outputs of up to 30A and 120W. Maximum outputs of specific models in the series include: the PKB5110WPI with 3.3V, 30A and 99W; the PKB5111WPI with 5V, 20A, 100W; and the PKB5113WPI with 12V, 10A and 120W.