DESCRIPTION
The LT®3498 is a dual output boost converter featuring a 2.3MHz PWM LED Driver and PFM OLED Driver. It includes an internal power switch and Schottky diode for each driver. Both converters can be independently shut down and modulated. This highly integrated power solution is ideal for dual display electronic devices.

FEATURES
■ Dual Output Boost for Dual Display Devices
■ Drives Up to Six White LEDs and OLED/LCD Bias
■ Internal Power Switches and Schottky Diodes
■ Independent Dimming and Shutdown
■ 200mV High Side Sense on LED Driver Allows
   “One-Wire Current Source”
■ Wide Input Voltage Range: 2.5V to 12V
■ Wide Output Voltage Range: Up to 32V
■ 2.3MHz PWM Frequency for LED Driver
■ PFM for OLED Driver is Non-Audible Over Entire
   Load Range
■ Open LED Protection (27V Maximum on CAP1 Pin)
■ OLED Output Disconnect
■ Available in 12-Pin DFN Package
■ 1mm Tall Solution Height

APPLICATIONS
■ Cellular Phones
■ PDAs, Handheld Computers
■ Digital Cameras
■ MP3 Players
■ GPS Receivers