HX1002

HXH1X0100202 700mA Synchronous Buck DC/DC Converter Features  Up to 95% Efficiency  Current Mode Operation for Excellent Line and Load Transient Response  Low Quiescent Current: 200μA  Output Voltage: 0.6V ～ 5.5V  Automatic PWM/PFM Mode Switching  No Schottky Diode Required  Frequency Operation: 1.0MHz For Fixed Output Voltage and 1.4MHz For Adjustable Output Voltage and  Short-Circuit Protection  Shutdown Quiescent Current: < 1μA  Low Profile SOT-23-5L Package (lead-free packaging is now available) Applications  Digital cameras and MP3  Palmtop computers / PDAs  Cellular phones  PC cards  Portable media players Description The HX1002 is high efficiency synchronous, PWM step-down DC/DC converters working under an input voltage range from 2.2V to 5.5V. This feature makes the HX1002 suitable for single Li-Lon battery-powered applications. 100% duty cycle capability extends battery life in portable devices, while the quiescent current is ...