SD6411

SD6411 1.5MHz, 1.3A Synchronous Step-Down Converter GENERAL DESCRIPTION FEATURES The SD6411 are high-efficiency, high • High Efficiency: Up to 96% frequency synchronous step-down DC-DC • 1.5MHz Constant Frequency Operation regulator ICs capable of delivering up to • 1.3A Output Current can • No Schottky Diode Required operate over a wide input voltage range from • 2.3V to 6V Input Voltage Range 2.3V to 6V and integrates main switch and • Adjustable Output Voltage Range 1.3A output currents. The SD6411 synchronous switch with very low RDS(ON) Options from 0.6V to Vin • to minimize the conduction loss. It is ideal for powering portable equipment 100% Duty Cycle Low Dropout Operation that runs from a single cell Lithium-Ion (Li+) • Low Quiescent Current: 35µA battery. The output voltage can be regulated • Slope Compensated Current Mode as low as 0.6V. The SD6411 can also run Control for Excellent Line and Load at 100% duty cycle for low dropout operation, Transient Response extending battery life in portable system. • Short Circuit Protection This device offers two operation modes, • Thermal Fault Protection PWM mode and PFM Mode switching • Inrush Current Limit and Soft Start control, which allows a high efficiency over •