Uniquely wide, the MGDD-40 Series 9-60V & 80V transient input voltage range is ideal to comply with Mil-Std-1275, 704 or DO-160 standards without additional front end protection device. This unique performance is achieved thanks to Gaia’s proprietary switching techniques while also keeping efficiency over 90%.
With 2 outputs (for parallel, serial or symmetrical operation) of 5V, 12V, 15V and 24V, they can cover a wide variety of needs such as:
Packaged in a very low profile 0.33” and 1.5”x1.75” housing, the MGDD-40 Series have a wide temperature range of -55°C to +105°C and are potted to fit rugged Military and Airborne environmental conditions.
To calculate the maximum ambient temperature at which the converter can operate, the following formula can be applied Tmax = Tcase – Rth(c) x Pout(1/h – 1)
If the thermal interface resistance can be neglected, the maximum chassis temperature is equal to the maximum converter case temperature. Tmax chassis = Tmax.
To calculate the maximum ambient temperature the converter can operate, the following formula can be applied :
Tmax = Tcas – Rth (c) x Pout (1/ŋ – 1)
The most sensitive parameter in this formula is the Rth(tot) value. Rth(tot) depends on the thermal resistance of the converter Rth(c) in the mounting configuration and the thermal resistance of the heatsink Rth(hs).
The units are full featured and protected with zero to full load regulation, Trim & On/Off capability, adjustable UVLO, soft start, embedded EMI filter as well as over-current and over-temperature protection. They can also be synchronized and/or paralleled for added power or N+1 redundancy.
Outputs connected in parallel allow to achieve single output 3,3V, 5V, 12V, 15V or 24V up to 40W power. These values can be extended using trim adjustment.
The MGDD-40 series is a unique piece of technical craftsmanship from Gaïa. With it’s ultra wide input range, different output possibilities and multiple protections it’s a perfect fit and design for rugged applications. Because of this the MGDD-40 series do not use any optocoupler.
If you would like more information about these unique convertes, don’t hesitate to contact us