Posted by John Keller
TORRANCE, Calif., 20 Dec. 2009. Martek Power in Torrance, Calif., is introducing a series of 120-Watt DC-DC converter modules for high-power electronics applications with wide input voltage range, such as railways. The CMS120 series power supply modules work across a broad operating temperature range without derating, Martek Power officials say.
Designed to be mounted on printed circuit boards, the CMS series power conversion modules measure 92 by 45 millimeters, are 20 millimeters high, and include an extruded aluminum heatsink. PCB connection is by 1.5-millimeter diameter pins.
The power converter modules can be integrated into a user's own power supply design using external components, yet users also can use Martek Power to develop a custom power solution based around the CMS120 modules as building blocks.
The DC-DC modules accept a wide range of input voltages across two versions. The low input version has range from 12 to 50.4 volts DC with nominal inputs of 24 and 36 volts DC. The high input version has a range from 43.2 to 154 volts DC with nominal inputs from 72 to 110 volts DC.
Output voltages are 12 and 24 volts, and the operating temperature range is -40 to 85 degrees Celsius. Under nominal conditions, the modules are 90 percent efficient and incorporate overvoltage and short circuit protection.
For more information contact Martek Power online at www.martekpower.com.