ROHM provides a recommended PCB layout in their application note AN1191, 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, output current, and ripple current requirements. ROHM recommends using a low-ESR capacitor with a minimum capacitance of 10uF and a voltage rating of at least 1.5 times the input voltage. The X5R or X7R dielectric type is recommended for stability and reliability.
According to ROHM's application note AN1191, the maximum output current derating for high ambient temperatures is approximately 1.5A at 85°C and 1A at 105°C. However, it's recommended to consult the datasheet and application notes for specific derating curves and thermal management guidelines.
Yes, the BD18343FV-ME2 is AEC-Q100 qualified and suitable for automotive and high-reliability applications. However, it's essential to follow ROHM's guidelines for component selection, PCB design, and testing to ensure compliance with specific industry standards and requirements.
To troubleshoot oscillations or instability issues, check the input and output capacitor values, ESR, and placement. Ensure the PCB layout follows ROHM's recommended guidelines, and the input voltage is within the specified range. Also, verify that the output current is within the recommended range and the load is stable. If issues persist, consult ROHM's application notes and technical support for further assistance.
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BD18343FV-ME2 Overview
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