The recommended layout and placement for the MAX8743ETX can be found in the Maxim Integrated Products' application note AN5141, which provides guidelines for PCB layout, component placement, and thermal management to ensure optimal performance and reliability.
To optimize the output voltage accuracy of the MAX8743ETX, ensure that the input voltage is within the recommended range, use a high-precision external resistor divider for voltage setting, and minimize noise and ripple on the input and output lines. Additionally, consider using a low-ESR output capacitor to reduce output voltage droop.
The maximum output current capability of the MAX8743ETX is 3A, but it can be limited by the thermal performance of the PCB and the ambient temperature. Ensure that the device is properly heatsinked and the thermal design is optimized to prevent overheating and maintain reliability.
The MAX8743ETX has a built-in overcurrent protection feature that can be enabled by connecting the OCSET pin to a resistor divider network. The resistor values can be calculated based on the desired overcurrent threshold and the internal current sense amplifier gain. Refer to the datasheet for more details.
The recommended input capacitor value for the MAX8743ETX is 10uF to 22uF, with a low-ESR type such as X5R or X7R ceramic capacitors. This helps to filter out input noise and ripple, and ensures stable operation of the device.
MAX8743ETX datasheet
by Maxim Integrated Products
