ROHM recommends a PCB layout with a thermal pad connected to a large copper area on the bottom layer, and multiple vias to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
Ensure that the device is operated within the recommended temperature range (up to 150°C). Use a heat sink or thermal interface material to reduce thermal resistance. Also, consider derating the output current and voltage to prevent overheating.
ROHM recommends using a low-ESR ceramic capacitor (X5R or X7R dielectric) with a value of 10uF to 22uF, and a voltage rating of at least 25V. This helps to reduce input voltage ripple and ensure stable operation.
Yes, but with caution. The UCR10EVHFSR047 is rated for up to 1A output current. However, high-current applications may require additional heat sinking and thermal management to prevent overheating. Consult ROHM's application notes for guidance on high-current designs.
Check the input voltage, output capacitor value, and PCB layout for any issues. Ensure that the output capacitor is properly sized and placed close to the regulator. Also, verify that the input voltage is within the recommended range and that there are no noise or ripple issues.
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UCR10EVHFSR047 Overview
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