GAIA Converter 155W DC:DC Converters
|GAIA Converter, the specialist supplier of power supplies, has released a new
family of wide input voltage DC/DC Converters targeting Avionic, Aerospace, Military and Missile applications. The MGDS-155 series have an input voltage range of 9-45Vdc or 16-80 Vdc, making them suitable for 24V or 28V applications such as those needing to meet MIL-STD-1275, MILSTD- 704, DO-160 requirements
The family consists of 5 individual single output models offering 3.3V, 5V, 12V, 15V, 24V and 28V outputs, each capable of delivering up to 155W in the industry standard Quarter Brick footprint of 57.9mm x 36.8mm x 12.7mm. The units have +/- 10% voltage trim capability. Efficiency levels are as high as 92%, and the standard operating temperature range is -40 deg C - +105 deg C case temperature, with an option available for -55 degC start up operation if required.
The units incorporate a complete suite of protection functions such as under voltage lockout, over voltage protection, current limit & over temperature protection, and all units are permanently short circuit proof. Designed for high reliability applications, the MGDS-155 does not use optocouplers in the feedback loop, and operates using a fixed switching frequency of 330kHz.
They can beoperated at zero load, and employ soft start circuitry which allows for current limiting, and eliminates inrush current during start up. Multiple devices can be synchronised directly together to force a single overall switching frequency, or can be connected to an external frequency source. For applications requiring increased power levels, an optional parallel pin is offered for direct connection of multiple modules ensuring accurate current share.
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