The recommended PCB layout for optimal thermal performance involves placing the module on a multi-layer PCB with a large copper area for heat dissipation. The copper area should be connected to a solid ground plane to ensure good heat conduction.
To ensure reliable start-up of the module, make sure to provide a slow ramp-up of the input voltage (dv/dt < 50mV/μs) and ensure that the input voltage reaches the minimum specified voltage (Vin(min)) before applying the enable signal.
The maximum capacitance on the output depends on the specific application and the desired output voltage ripple. As a general guideline, RECOM recommends limiting the output capacitance to 10μF or less to ensure stability and prevent oscillations.
The RS3-2405S/H3 is rated for operation up to 85°C ambient temperature. However, derating may be necessary for high-temperature applications. Consult the datasheet and RECOM's application notes for guidance on thermal derating and high-temperature operation.
To protect the module from input voltage surges and spikes, RECOM recommends using a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit on the input line. This will help to limit the voltage stress on the module and ensure reliable operation.
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RS3-2405S/H3 Overview
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