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Half Brick DC-DC Converters from Lambda
Half-brick DC-DC converter.
San Diego, CA — Lambda Americas has expanded its line of DC-DC converters with the launch of the new iHG series of 100W fully isolated, single output, half-brick devices. Providing excellent thermal performance, using the industry standard half-brick footprint with no base plate, the modules are suitable for low airflow, high temperature, 48V power architectures.

The converters are appropriate for telecom, wireless, medical, industrial and many other applications. The initial product offering includes 5V/10A, 5V/20A and 3.3V/30A devices, with further products planned.

The single board construction combined with up to 93 percent efficiency delivers a very high level of usable power in convection-cooled environments, particularly where airflow rates are low. The all new digital control circuitry results in a significant reduction in component count, as well as improved reliability and lower cost. The new converters are well-suited for use as replacements or upgrades in legacy applications.

The converters operate over a wide input range from 36 to 75VDC and provide a very wide output voltage adjustment/trim range from about 50 percent to 110 percent of nominal output voltage. Operating temperatures can range from -40 to +125°C, measured at the module.

In addition to high efficiency operation, the unit uses very little current in its standby mode (typically only 4.8mA), demonstrating the company's commitment to "green" environmental issues.

The input is fully isolated from the output, up to 1500VDC, further adding to the product's versatility by allowing different options for polarity and grounding connectivity. Standard features include fixed frequency operation (for reduced EMI), output trim, remote sense, remote on/off, and auto-recovery of input under-voltage, output over-current, over-temperature and over-voltage protection. All units are RoHS compliant. Safety approvals for Lambda's new iHG family include UL60950 (US and Canada), VDE 0805, CB scheme (IEC950) and CE Mark (EN60950).

Contact: Lambda Americas, Inc., 3055 Del Sol Blvd., San Diego, CA 92154 800-526-2324 or 619-575-4400 fax: 619-429-1011 Web:
http://www.lambdapower.com


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