The recommended PCB layout for the MAX5365EUT+T involves keeping the input and output traces as short as possible, using a solid ground plane, and placing the device close to the power supply. 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 select the correct output voltage, you need to consider the input voltage range, output current requirement, and the desired output voltage. The MAX5365EUT+T has an adjustable output voltage range of 0.8V to 5.5V. You can use the datasheet's output voltage calculation formula to determine the correct resistor values for your desired output voltage.
The MAX5365EUT+T has an absolute maximum input voltage rating of 6V. However, it's recommended to operate the device within the recommended input voltage range of 2.7V to 5.5V to ensure optimal performance and reliability.
To ensure stability, it's essential to follow the recommended PCB layout guidelines, use a sufficient output capacitor (at least 10uF), and ensure that the input capacitor is properly sized. Additionally, the device's output voltage should be set to a value that is within the recommended range, and the input voltage should be stable and well-regulated.
The typical dropout voltage of the MAX5365EUT+T is around 200mV at an output current of 1A. However, this value can vary depending on the input voltage, output current, and temperature. It's recommended to refer to the datasheet's dropout voltage vs. output current graph for more accurate information.
MAX5365EUT+T datasheet
by Maxim Integrated Products
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