A good PCB layout for the MAX1873REEE+T 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. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the input voltage with a capacitor and to use a low-ESR output capacitor.
The MAX1873REEE+T can handle input voltages up to 28V, but it's recommended to operate it within the specified input voltage range of 5.5V to 23V for optimal performance and reliability.
The MAX1873REEE+T is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliability. It's also important to ensure good thermal design and heat sinking to prevent overheating.
To troubleshoot issues with the MAX1873REEE+T, start by checking the input voltage, output voltage, and current. Verify that the input and output capacitors are properly connected and of good quality. Check for any signs of overheating, and ensure that the PCB layout is correct. If the issue persists, consult the datasheet and application notes for further guidance.
MAX1873REEE+T datasheet
by Maxim Integrated Products
