A good PCB layout for the MAX1846EUB+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. 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 recommended to use a minimum output capacitance of 10uF, and to keep the equivalent series resistance (ESR) of the output capacitor below 1 ohm. Additionally, the input voltage should be well-regulated and free of noise.
The MAX1846EUB+T is rated for operation over a temperature range of -40°C to +85°C. However, the device may still function outside of this range, but the performance and reliability may be affected.
Yes, the MAX1846EUB+T is suitable for high-reliability applications. It is built with high-reliability materials and manufacturing processes, and is tested to ensure compliance with industry standards for reliability and performance.
To troubleshoot issues with the MAX1846EUB+T, start by checking the input voltage and current, and ensuring that the output voltage is within the specified range. Check for any signs of overheating, and verify that the PCB layout and component selection meet the recommended guidelines.
MAX1846EUB+T datasheet
by Maxim Integrated Products
