H9008

H9008 1.5A Synchronous Step-Down Converter Features  High Efficiency: Up to 96%  PFM Mode for High Efficiency in Light Load  2.5V to 6V Input Voltage Range  Over temperature Protected  1.5MHz Constant Frequency Operation  Low Quiescent Current: 40μA  No Schottky Diode Required  Short Circuit Protection  Low Dropout Operation:100% Duty  Inrush Current Limit and Soft Start Cycle  SOT23-5 package Applications  Cellular and Smart Phones  Portable Instruments  Wireless and DSL Modems  Digital Still and Video Cameras  PDAs  PC Cards General Description H9008 is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply for noise sensitive applications.Switching frequency is internally set at 1.5MHz, allowing the use of small surface mount inductors and capacitors. Low output voltages PR O current with no load is 40uA and drops to