ROHM provides a recommended PCB layout in their application note AN191, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
The input capacitor selection depends on the input voltage, frequency, and ripple current requirements. ROHM recommends using a low-ESR capacitor with a capacitance value between 10uF to 22uF, and a voltage rating of at least 1.5 times the maximum input voltage.
The maximum allowed voltage drop across the internal FETs is not explicitly stated in the datasheet, but ROHM recommends keeping the voltage drop below 1V to ensure reliable operation and minimize power losses.
The SCS210KE2GC11 is rated for operation up to 105°C, but ROHM recommends derating the output current and voltage to ensure reliable operation above 85°C. Consult the datasheet and ROHM's application notes for more information on high-temperature operation.
To troubleshoot OCP issues, check the input voltage, output current, and sense resistor values. Ensure that the sense resistor is correctly connected and has the recommended value. Also, verify that the OCP threshold is set correctly and that the device is not overheating.
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