The maximum input voltage that can be applied to the LTM4602EV is 28V, but it's recommended to operate within 18V to ensure reliable operation.
To minimize EMI, it's recommended to keep the input and output capacitors close to the IC, use a solid ground plane, and keep the high-current paths short and direct. Additionally, use a shielded inductor and orient it to minimize radiation.
The recommended PCB layout for the LTM4602EV involves placing the input capacitors close to the VIN pin, the output capacitors close to the VOUT pin, and the inductor close to the SW pin. Keep the high-current paths short and direct, and use a solid ground plane.
To select the right inductor for the LTM4602EV, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current of at least 2A and a DC resistance of less than 100mΩ.
The thermal derating curve for the LTM4602EV is not explicitly stated in the datasheet, but it can be estimated based on the junction-to-case thermal resistance (RθJC) and the maximum junction temperature (TJ). Consult the datasheet and application notes for more information.
LTM4602EV#PBF datasheet
by Linear Technology
