The recommended PCB layout for the MAX6126A41+T involves keeping the input and output traces as short as possible, using a solid ground plane, and placing the decoupling capacitors close to the device. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane to minimize noise and EMI.
To ensure the MAX6126A41+T is properly biased, make sure to connect the EN pin to a logic-high voltage (e.g., VCC) to enable the device. Also, ensure that the input voltage (VIN) is within the recommended range of 2.7V to 5.5V, and that the output voltage (VOUT) is set to the desired value using the FB pin and an external resistor divider.
The maximum output current capability of the MAX6126A41+T is 1A. However, it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
To handle thermal management for the MAX6126A41+T, ensure good airflow around the device, and consider using a heat sink or a thermal pad to dissipate heat. Also, make sure to follow the recommended PCB layout guidelines to minimize thermal resistance.
To minimize EMI and EMC issues with the MAX6126A41+T, use a shielded inductor, keep the input and output traces as short as possible, and use a common-mode choke or a ferrite bead to filter out high-frequency noise. Additionally, ensure that the device is properly decoupled and that the PCB layout follows good EMI/EMC design practices.
MAX6126A41+T datasheet
by Maxim Integrated Products
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