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Tyco half-bricks have at least 82 percent efficiency

Posted: 12 Jul 2002 ?? ?Print Version ?Bookmark and Share

Keywords:tyco electronics power systems? jbw series? jbw030? jbw050? half brick converter?

Designed for use in workstation, computing, industrial, and communications equipment, the JBW030 30W and JBW050 50W half-brick dc/dc converters from Tyco Electronics Power Systems are claimed to achieve 82 percent and 84 percent efficiency levels at 5V output, respectively.

The JBW030 operates over an input voltage range of 36Vdc to 75Vdc to deliver precisely regulated outputs of 5V at 6A or 3.3V at 6.5A. The JBW050 operates over the same input range to give 5V or 3.3V at 10A. Outputs are isolated from inputs to enable versatile polarity configurations and grounding connections.

Both converters incorporate a range of safety and performance features, including protection against overtemperature, overcurrent and overvoltage. Output ripple and noise are minimized, eliminating the need for additional external filtering.

Remote sensing, output trim, and remote on/off capabilities are also included for distributed power applications.

The modules are encapsulated in metal cases and are capable of operating at full load in temperatures up to 1000C. Threaded-through holes allow additional heatsinks to be easily added for very high temperature applications.

The JBW050 is priced at $38.40, while the JBW030 module is quoted at $28, both in high volume quantities.

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