Description:The MAU100 series is a range of 1W DC-DC converters in a small SIP Package featuring I/O isolation of 1000VDC. An excellent efficiency allows an operating temperature range of –40℃ to +85℃. These converters offer an economical solution for many applications where a voltage has to be isolated.
Minmax recommends a 4-layer PCB with a solid ground plane and thermal vias to dissipate heat. A minimum of 2oz copper thickness is recommended for the top and bottom layers. Additionally, a thermal pad on the bottom of the device should be connected to a heat sink or a thermal management system.
Minmax recommends using a soldering iron with a temperature range of 250°C to 270°C. Apply a small amount of solder paste to the PCB pads and use a gentle touch to avoid applying excessive pressure. Inspect the solder joints under a microscope to ensure they are smooth, shiny, and free of cold joints.
The maximum allowed voltage drop across the MAU118 is 1.5V. Exceeding this voltage drop may affect the device's performance, efficiency, and reliability. Ensure that the input voltage is within the recommended range and that the output voltage is properly regulated.
The MAU118 is rated for operation up to 85°C ambient temperature. However, derating is required for temperatures above 70°C. Consult the datasheet for derating curves and ensure that the device is properly heat-sinked and thermally managed in high-temperature environments.
Consult the Minmax application note AN-MAU118-01 for troubleshooting guidelines. Common issues can be caused by incorrect PCB layout, inadequate thermal management, or incorrect input voltage. Verify that the input voltage is within the recommended range, and check for any signs of overheating, such as excessive temperature rise or burning smells.
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MAU118 Overview
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