Description
The FAN5365 is a high-frequency, ultra-fast transient response, synchronous step-down, DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors. The FAN5365 supports up to 800mA or 1A load current.

FEATUREs
■ High Efficiency (>88%) at 6MHz
■ 800mA or 1A Output Current
■ Regulation Maintained with VIN from 2.3V to 5.5V
■ 6-Bit VOUT Programmable from 0.75 to 1.975V
■ 6MHz Fixed-Frequency Operation (PWM Mode)
■ Excellent Load and Line Transient Response
■ Small Size, 470nH Inductor Solution
■ ±2% DC Voltage Accuracy in PWM Mode
■ 25ns Minimum On-Time
■ High-Efficiency, Low-Ripple, Light-Load PFM
■ Smooth Transition between PWM and PFM
■ 40μA Operating PFM Quiescent Current
■ I2C™-Compatible Interface up to 3.4Mbps
■ Pin-Selectable or I2C™ Programmable Output Voltage
■ 9-Bump, 1.27 x 1.29mm, 0.4mm Pitch WLCSP Package

APPLICATIONs
■ 3G, WiFi®, WiMAX™, and WiBro® Data Cards
■ Netbooks®, Ultra-Mobile PCs
■ SmartReflex™-Compliant Power Supply
■ Split Supply DSPs and μP Solutions OMAP™, XSCALE™
■ Handset Graphic Processors (NVIDIA®, ATI)