Infineon provides a recommended PCB layout in the application note AN2013-03, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
The input capacitor selection depends on the input voltage, output voltage, and output current requirements. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF. Refer to the application note AN2013-03 for more detailed guidance.
The maximum allowed voltage drop across the BCR135 is typically around 1.5V to 2V, depending on the specific application and output current requirements. Exceeding this voltage drop may lead to reduced efficiency, increased heat generation, or even device failure.
The BCR135 is rated for operation up to 150°C, but the maximum junction temperature (Tj) should not exceed 125°C. Ensure proper thermal management, such as heat sinking and airflow, to maintain a safe operating temperature and prevent device degradation.
To ensure EMC, follow the guidelines in the application note AN2013-03, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using EMI filters, such as common-mode chokes or ferrite beads, to reduce electromagnetic radiation.
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