Description
The FAN5343 is an asynchronous constant-current LED driver capable of efficiently delivering up to 500mW to a string of six (6) LEDs in series. Optimized for small form factor applications, the 1.2MHz fixed switching frequency allows the use of small chip inductors and capacitors.

FEATUREs
• Asynchronous Boost Converter − VOUT up to 24V
• Internal Schottky Diode
• Up to 500mW Output Power
• 2.7V to 5.5V Input Voltage Range
• Single-Wire Digital Control Interface to Set LED Brightness Levels − 32 Linear Steps
• Fixed Switching Frequency: 1.2MHz
• Soft-Start Capability
• Input Under-Voltage Lockout (UVLO)
• Output Over-Voltage Protection (OVP)
• Short-Circuit Detection
• Thermal Shutdown Protection (TSD)
• Small 6-Lead 2.0 x 2.0 x 0.55mm UMLP Package

APPLICATIONs
• Cellular Mobile Handsets
• Mobile Internet Devices
• Portable Media Players
• PDA, DSC, MP3 Players