HX1151
FEATURES x High Efficiency: Up to 96% x 1.5MHz Constant Frequency Operation x 1300m A Output Current x No Schottky Diode Required x 2.3V to 6V Input Voltage Range x Adjustable Output Voltage Range
Options from 0.6V to Vin x 100% Duty Cycle Low Dropout Operation x Low Quiescent Current: 35µA x Slope pensated Current Mode Control for
Excellent Line and Load Transient Response x Short Circuit Protection x Thermal Fault Protection x Inrush Current Limit and Soft Start x <1µA Shutdown Current x Tiny SOT23-5 Package
APPLICATIONS x Cellular and Smart Phones x Wireless and DSL Modems x PDAs x Digital Still and Video Cameras x MP3 Players
1.5MHz, 1.3A Synchronous Step-Down Converter
GENERAL DESCRIPTION
The HX1151 are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.3A output currents. The HX1151 can operate over a wide input voltage range from 2.3V to 6V and integrates main switch and synchronous switch with very low RDS(ON) to...