Electronic Products & Technology

200W, 300W half brick dc-dc converters have 43V to 160V input

Stephen Law   


TDK-LAMBDA AMERICAS CN-B110 series 200W and 300W rated half brick dc-dc converters are capable of operating from a wide input voltage of 43 to 160Vdc. Units are compatible with 72Vdc or 110Vdc nominal railway systems. Applications include rolling stock, railway trackside equipment, robotics, AGVs and scientific research equipment. The second-generation devices are available with 12V, 13.8V, 15V and 24V outputs. Using the trim function, they can be adjusted to using a resistor or an external voltage to compensate for voltage drops, or to accommodate non-standard system voltages. The standard models have non-latching (self-recovering) over current and overvoltage protection, with an option for latching with manual reset. Product has 11.8mm spacing between the primary input and baseplate for a 2,500Vac isolation voltage. Input to output isolation is 3,000Vac and output to ground 500Vac.  With efficiencies of up to 91%, power losses are minimized allowing the products to operate at baseplate temperatures of -40oC to +100oC, with very minimal derating at high temperatures.

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