500W DC-DC converter in 1/16th brick footprint
TDK has launched a 33A, 500W rated non-isolated DC-DC converter series in a 1/16th brick pinout. The output voltage of these step-down converters can be adjusted from 3.3 to 24V and accept a wide range input voltage of 18 to 60V.
The i7A 33A series can be used to derive additional high-power outputs from a 24V, 36V or 48V DC power supply, at a much lower cost than an isolated DC-DC converter. The units are suited for use in medical, communications, industrial, test and measurement, broadcast and portable battery-powered equipment.
Efficiencies of up to 98 percent minimise internal losses and allow the i7A to operate in ambient temperatures of -40°C to +125°C, even with low airflow conditions. The i7A’s design provides low output ripple and excellent response to dynamic loads. Very few external components are required, compared to discrete solutions, saving cost and printed circuit board space.
A choice of three mechanical configurations is available, measuring just 34mm wide and 36.8mm in length. The 11.5mm high open-frame model is suitable for applications requiring a very low profile. The baseplate version for conduction cooling to a cold plate is 12.7mm high. Models with an integral heatsink, which are for convection or forced air cooling, are 24.9mm high.
Standard features for the i7A series include an output voltage adjustment trim pin, + remote sense, remote on-off (positive or negative logic), input under-voltage, over-current and over-temperature protection. All the DC-DC converter models have safety certification to the IEC/UL/CSA/EN 62368-1 standards, with CE marking to the Low Voltage and RoHS Directives.
www.emea.lambda.tdk.com/uk/i7a
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