A good PCB layout for the MAX3658BE/D involves keeping the input and output traces separate, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog nodes.
To optimize the inductor selection for the MAX3658BE/D, consider the following factors: inductor value, core material, and DC resistance. A good starting point is to use an inductor with a value between 1.5µH to 3.3µH, a ferrite or iron powder core, and a DC resistance of less than 100mΩ.
The MAX3658BE/D 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.
To ensure the stability of the output voltage in the MAX3658BE/D, make sure to use a suitable output capacitor with a low ESR, and ensure that the output voltage is within the specified range. Additionally, it's recommended to add a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor to improve stability.
The MAX3658BE/D can deliver up to 2A of output current, but it's recommended to operate within the specified output current range of 1.5A for optimal performance and reliability.
MAX3658BE/D datasheet
by Maxim Integrated Products
