CUI recommends a PCB layout with a large copper area underneath the module to dissipate heat effectively. A minimum of 1 oz copper thickness is recommended, and the copper area should be connected to a solid ground plane to reduce thermal resistance.
CUI recommends using a soldering iron with a temperature range of 250°C to 260°C, and a solder with a melting point of 180°C to 190°C. The module should be soldered within 3 seconds to 5 seconds, and the solder joints should be inspected for proper wetting and filleting.
CUI recommends derating the input voltage by 10% to 15% to ensure reliable operation and to prevent overheating. This means that if the module is rated for 15V input, the maximum allowable input voltage should be 13.5V to 13.75V.
To troubleshoot output voltage deviations, check the input voltage, output load, and ambient temperature. Ensure that the input voltage is within the specified range, the output load is within the specified current rating, and the ambient temperature is within the specified operating range. Also, check for any signs of overheating, such as excessive temperature rise or burning smells.
CUI recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF, and a voltage rating of 25V to 50V. The capacitor should be placed as close as possible to the input pins of the module to reduce noise and ripple.
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PEME1-S15-S5-S Overview
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