A good PCB layout is crucial for the MPS8598. Ensure a solid ground plane, keep the input and output traces short and separate, and use a common mode choke to reduce EMI. Refer to onsemi's application notes and layout guidelines for more information.
Choose input capacitors with low ESR and high ripple current ratings. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating above the output voltage. A good starting point is 10uF for input and 22uF for output capacitors.
The MPS8598 can operate up to 85°C ambient temperature, but it's recommended to derate the output current and voltage to ensure reliable operation. Consult the datasheet for thermal derating curves and guidelines.
Use a voltage supervisor or a dedicated overvoltage protection (OVP) circuit to prevent damage from voltage transients. For undervoltage protection, consider using a UVLO (Undervoltage Lockout) circuit or a voltage monitor IC.
The MPS8598 can operate from 4.5V to 18V input, but optimal performance is achieved between 6V and 15V. Ensure the input voltage is within this range for best efficiency, stability, and reliability.
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