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Murata boosts AC/DC switching power supply lineup

Posted: 25 Sep 2008 ?? ?Print Version ?Bookmark and Share

Keywords:switching power supply? AC/DC? ruggedized IU?

CF series

The CF series from Murata Power Solutions is a new range of high density AC/DC switching power supplies. The single main output 200W and 350W open frame units offer industry standard form factor and high density, claims the company. They are ideal for use in distributed power architecture applications, redundant (N+1) operations, information technology equipment and industrial applications.

The series comprises a 200W model with a 12V (16.6A) main output, and a choice of three 350W models giving designers the choice of a 12V (29A), 24V (14.5A) or a 48V (7.2A) main output. All power supplies in the CF range offer a universal input (85- to 265Vac) with active power factor correction (PFC). They also feature an auxiliary 5V standby output to allow for system housekeeping and monitoring.

The 200W CF200-A12C has a high power density of 8W/in3 that helps minimize the space required in customer applications. Synchronous rectification allows an efficiency level of over 80 percent to be achieved. Built to meet 1U height restrictions, the ruggedized open frame, U-channel package CF200-A12C has compact overall dimensions of 127mm x 84mm x 39.6mm.

350W models (CF350-A12C, A24C and A48C) achieve a power density of 9.5W/in3 and similar levels of efficiency to 200W variants. Overall dimensions of the 1U, open frame, U-channel package are 173mm x 98mm x 36.6mm.

The CF series switching power supplies utilize proven topology and components to achieve high levels of reliability. They also feature active load current sharing and include an OR-ing diode for N+1 parallel operation. All models have a mean time before failure (MTBF) of 300,000hrs, are RoHS compliant and meet the Safety Agency requirements of UL/CSA 60950-1 and the European, EN-60950-1 standard.

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