Cosel recommends a multi-layer PCB with a large ground plane and thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended. For thermal management, a heat sink with a thermal interface material (TIM) is recommended, and the device should be mounted on a metal core PCB or a heat sink with a thermal conductivity of at least 1 W/m-K.
To ensure EMC, Cosel recommends using a shielded enclosure, keeping the DC-DC converter away from sensitive circuits, and using a common-mode choke or ferrite beads on the input and output lines. Additionally, the device should be placed at least 10mm away from any metal objects or walls.
The derating curve for the MGW152405 is available in the application note from Cosel. The curve shows the maximum output power vs. ambient temperature. For example, at 40°C, the output power is derated by 10%, and at 60°C, it is derated by 20%. Engineers should consult the application note for the specific derating curve and adjust their design accordingly.
Yes, the MGW152405 can be used in a redundant or parallel configuration. However, Cosel recommends using a dedicated ORing diode or a redundancy module to ensure proper operation and to prevent back-feeding. Engineers should consult the application note for specific guidelines on implementing redundancy or parallel operation.
Cosel recommends using low-ESR capacitors with a minimum capacitance of 10uF on the input and output. The capacitors should be rated for the maximum input voltage and have a temperature rating of at least 105°C. Engineers should consult the application note for specific capacitor recommendations and guidelines.
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