LTC3604 12 to 2 volts dc converter circuit

Using this circuit diagram based on the LTC3604 IC can be designed a 12 to 2 volts dc converter using few external electronic components, a very simple and efficiency dc step down converter.
This LTC3604 12 to 2 volts dc converter DC step down converter can supply a maximum output current of 2.5A.
LTC3604 is a high efficiency monolithic synchronous buck regulator using a phase-lockable controlled on-time current mode architecture.
The operating voltage range of the LTC3604 is from 3.6V to 15V, reason that make it suitable for a wide range of power supply applications.
The operating frequency of the LTC3604 is programmable from 800kHz up to 4MHz using an external resistor.
The main features of the LTC3604 are : 3.6V to 15V Operating Input Voltage Range, 2.5A Output Current, Up to 95% Efficiency, Very Low Duty Cycle Operation: 5% at 2.25MHz, Adjustable Switching Frequency: 800kHz to 4MHz, External Frequency Synchronization, Short-Circuit Protected.