Description
The FAN4860 is a low-power boost regulator designed to provide a regulated 5V output from a single cell Li-Ion battery. The output voltage is fixed at 5.0V with a guaranteed maximum load current of 200mA at VIN=2.3V and 300mA at VIN=3.3V. Input current in shut-down mode is less than 1µA, which maximizes battery life.

FEATUREs
■ Operates with Very Small External Components: 1μH Inductor and 0402 Case Size Input and Output Capacitors
■ Input Voltage Range from 2.3V to 4.5V
■ Fixed 5.0V Output Voltage
■ Maximum Load Current 200mA at VIN=2.3V
■ Maximum Load Current 300mA at VIN=3.3V
■ Up to 92% Efficient
■ Low Operating Quiescent Current
■ True Load Disconnect During Shutdown
■ Variable On-time Pulse Frequency Modulation (PFM) with Light-Load Power-Saving Mode
■ Internal Synchronous Rectifier (No External Diode Needed)
■ Thermal Shutdown and Overload Protection
■ 6-Pin 2 x 2mm UMLP
■ 6-Bump WLCSP, 0.4mm Pitch

APPLICATIONs
■ USB “On the Go” 5V Supply
■ HDMI 5V Supply
■ 5V Supply for H-Bridge Motor Drivers
■ Powering 5V Peripherals
■ Supply Source for WLED Torch and Flash Lighting
■ PDAs, Portable Media Players
■ Cell Phones, Smart Phones, Portable Instruments