RECOM recommends a PCB layout with a large copper area connected to the module's thermal pad to dissipate heat efficiently. 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.
To ensure reliable start-up, RECOM recommends applying a slow ramp-up of the input voltage ( Vin ) to the converter, with a slew rate of 10-20 mV/μs. This helps to prevent excessive inrush current and ensures proper start-up of the converter.
The maximum allowed capacitance on the output of the RW2-0505S/SMD is 47 μF. Exceeding this value may cause instability or oscillation of the converter. RECOM recommends using a capacitance value of 10-22 μF for optimal performance.
RECOM recommends using a TVS (Transient Voltage Suppressor) diode or a varistor on the input of the converter to protect it from voltage transients and surges. The TVS diode or varistor should be selected based on the maximum expected input voltage and the converter's input voltage rating.
RECOM recommends using a fuse with a rating of 1-2 A, slow-blow type, to protect the converter from input overcurrent conditions. The fuse should be selected based on the maximum expected input current and the converter's input current rating.
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RW2-0505S/SMD Overview
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