U U
FEATURES
■ Drives Up to 20 White LEDs (10 in Series per Converter) from a 3.
6V Supply
■ Two Independent Step-Up Converters Capable of Driving Asymmetric LED Strings
■ Independent Dimming and Shutdown Control of the Two LED Strings
■ Internal
Schottky Diodes ■ Internal Soft-Start Eliminates Inrush Current ■ Open LED Protection (39.
5V Max VOUT) ■ Fixed Frequency Operation Up to 2MHz ■ 81% Efficiency Driving 16 White LEDs at 15mA
(Eight per Driver) from a 3.
6V Supply ■ Wide Input Voltage Range: 2.
7V to 24V ■ Available in 10-Pin DFN and 16-Pin Thermally
Enhanced TSSOP Packages
U APPLICATIO S
■ Main/Sub Displays ■ Digital Cameras, Sub-Notebook PCs ■ PDAs, Handheld Computers ■ Automotive
LT3...