A good PCB layout for the MAX6033AAUT25-T involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and parasitic inductance.
To ensure stability, make sure to follow the recommended component values and PCB layout, and add a 10nF capacitor between the COMP and FB pins to improve phase margin. Also, avoid using long traces and minimize noise injection.
The MAX6033AAUT25-T can handle input voltages up to 28V, but it's recommended to operate within the specified input voltage range of 4.5V to 24V for optimal performance and reliability.
The MAX6033AAUT25-T is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at higher temperatures to ensure reliability and prevent thermal shutdown.
To troubleshoot issues, check the input voltage, output voltage, and current, and verify that the device is properly configured and laid out on the PCB. Also, check for noise, oscillations, and thermal issues that may be affecting performance.