LTC3406ES5-1.2#TRPBF (Analog Devices (Linear Technology)) is a 1.5 MHz, 600 mA synchronous step-down regulator with fixed 1.2 V output in a 1 mm-high ThinSOT package.

• 2.5 V to 5.5 V input · 600 mA output at 3 V input
• 1.5 MHz constant frequency · up to 90 % efficiency
• Only 20 µA quiescent current · under 1 µA in shutdown
• No Schottky diode required · 100 % duty cycle · overtemperature protected

Data per Analog Devices (Linear Technology) LTC3406-1.2 datasheet.