GENERAL DESCRIPTION

The CM3706A is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 300uA and drops to

FEATURES

◆ High Efficiency: Up to 96

◆ 1.5Mhz Constant Switching Frequency

◆ 600mA Output Current at VIN=3V

◆ Integrated Main switch and synchronous rectifier. No Schottky Diode Required

◆ 2.5V to 6.5V Input Voltage Range

◆ Output Voltage as Low as 0.6V

◆ 100 Duty Cycle in Dropout

◆ Low Quiescent Current: 300µA

◆ Slope Compensated Current Mode Control for Excellent Line and Load Transient Response

◆ Short Circuit Protection

◆ Thermal Fault Protection

◆ <1uA Shutdown Current

◆ Space Saving 5-Pin Thin TSOT23 package

APPLICATIONS

◆ Cellular and Smart Phones

◆ Microprocessors and DSP Core Supplies

◆ Wireless and DSL Modems

◆ PDAs

◆ MP3 / MP4 Player

◆ Portable Instruments

◆ Digital Still and Video Cameras