MAXREFDES33 Palo Verde Reference Design Analog Devices Inc. MAXREFDES33 Palo Verde Step-Down Converter reference design demonstrates the application of the MAX15062A 60V, 300mA ultra-small, high-efficiency, synchronous step-down converter. The reference design operates over a wide 4.5V to 60V input voltage range, and provides up to 300mA at 3.3V output. The device features undervoltage lockout, overcurrent protection, and thermal shutdown.