HX1009-AMH Datasheet | WISWOOD

Features Up to 90% Efficiency Current Mode Operation for Excellent Line and Load Transient Response Low Quiescent Current (one channel):190u A Up to 900m A Load Current ： ～Output Voltage 0.6V 5.5V Automatic PWM/PFM Mode Switching No Schottky Diode Required 1.43MHz Fixed Frequency Switching Short-Circuit Protection Shutdown Quiescent Current: < 1µA DFN3- 3-12L Package Applications Digital cameras and MP3 Palmtop puters / PDAs Cellular phones Wireless handsets and DSL modems PC cards Portable media players Description The HX1009-AMH is a dual high efficiency synchronous, PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V. This feature makes the HX1009-AMH suitable for single Li-lon battery-powered applications. 100% duty cycle capability extends battery life in portable devices, while the quiescent current is 190µA with no load, and drops to < 1µA in shutdown. The internal...