A good PCB layout for the MAX8717ETI+ involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces connecting the IC to the capacitors and resistors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure stability, make sure the output capacitor is properly sized and placed close to the IC. Also, ensure that the input capacitor is properly bypassed to ground, and the feedback resistors are properly sized and placed close to the IC. Additionally, avoid using long traces or wires that can introduce noise and instability.
The MAX8717ETI+ can handle input voltages up to 28V, but it's recommended to keep the input voltage below 24V to ensure reliable operation and to prevent damage to the IC.
The MAX8717ETI+ 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 reliable operation. Consult the datasheet for specific derating guidelines.
To troubleshoot issues with the MAX8717ETI+, start by checking the input voltage, output voltage, and output current. Use an oscilloscope to check for oscillations or noise on the output. Also, check the PCB layout and component values to ensure they match the recommended values in the datasheet.
MAX8717ETI+ datasheet
by Maxim Integrated Products
