ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
To ensure stable operation with a high-ESR output capacitor, ROHM recommends using a capacitor with an ESR of 10Ω or less, and adding a 1nF to 10nF ceramic capacitor in parallel to the output capacitor to improve stability.
The maximum allowed voltage on the EN pin is 6V, which is higher than the recommended operating voltage of 5V. However, it's essential to ensure that the EN pin voltage does not exceed 6V to prevent damage to the device.
The BD37067FV-ME2 is rated for operation up to 105°C, but ROHM recommends derating the output current and voltage to ensure reliable operation at high temperatures. Consult the datasheet and ROHM's application notes for more information on high-temperature operation.
To troubleshoot oscillations or instability issues, check the PCB layout for proper grounding and decoupling, ensure that the input and output capacitors meet the recommended specifications, and verify that the feedback network is properly connected and configured. Consult ROHM's application notes and technical support resources for further assistance.
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BD37067FV-ME2 Overview
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