Fixed Frequency Step-Up Converter LCD Backlight Plus Flash
FEATURES
• 2.7V to 5.5V Input Voltage Range
• 25V Maximum Step-Up Voltage
• <1µA Shutdown Mode
• 1.2MHz Fixed Frequency Operation
• LCD Backlight to 30mA, Flash to 150mA
• Cycle-By-Cycle Current Limit
• Independent Backlight, Preview and Flash
Current Adjustment
• Special PWM Dimming
• Over Voltage Protection
• Under Voltage Lockout
• Integrated Soft-Start
• Thermal Shutdown
• Tiny 4mm x 4mm QFN Package
APPLICATIONS
• PDAs
• Cellular Phones
• Digital Still Cameras
• Digital Video Cameras