Description:The MCWI05 series is a range of isolated 5W DC-DC converter modules featuring fully regulated output voltages and ultra-wide 4:1 input voltage ranges. The converters come in a very small SIP-8 package.
The recommended PCB layout involves placing the DC-DC converter near the input capacitors, using a solid ground plane, and keeping the output voltage traces short and wide. For thermal management, ensure good airflow, use a heat sink if necessary, and follow the recommended operating temperature range.
To ensure EMC, follow proper PCB layout and grounding techniques, use shielding if necessary, and add EMI filters or common-mode chokes to the input and output lines. Also, ensure the converter is placed at least 10mm away from other components and follow the recommended input and output filtering.
The maximum allowable output capacitance is 220uF. Exceeding this value may affect stability and cause oscillations. It's essential to follow the recommended output capacitance value and ensure the capacitor's ESR is within the specified range.
Use a TVS diode or a surge protector at the input to protect the converter from voltage surges and spikes. Ensure the TVS diode's clamping voltage is below the converter's maximum input voltage rating.
The recommended input voltage range is 36V to 72V. Operating within this range ensures optimal efficiency and reliability. However, the converter can operate from 30V to 80V, but efficiency and reliability may be affected.
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MCWI05-48S05 Overview
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