A good PCB layout for the MAX1744EUB+ involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure the stability of the output voltage, it is essential to use the recommended output capacitor value and type, and to place it close to the IC. Additionally, the input voltage should be well-regulated, and the input capacitor should be placed close to the IC. A minimum of 1uF output capacitance is recommended.
The MAX1744EUB+ can handle a maximum input voltage of 28V. However, it is recommended to operate the device within the specified input voltage range of 4.5V to 24V for optimal performance and reliability.
The MAX1744EUB+ is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It is recommended to derate the device's performance and follow the recommended operating conditions for high-temperature applications.
To troubleshoot issues with the MAX1744EUB+, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the device is operated within the recommended operating conditions.
MAX1744EUB+ datasheet
by Maxim Integrated Products
