LTC3210
MAIN/CAM LED Controller
in 3mm Г— 3mm QFN
Description Features
Low Noise Charge Pump Provides High Efficiency
with Automatic Mode Switching
n Multimode Operation: 1x, 1.5x, 2x
n Individual Full-Scale Current Set Resistors
n Up to 500mA Total Output Current
n Single Wire EN/Brightness Control for MAIN and
CAM LEDs (8 Brightness Steps)
n 64:1 Brightness Control Range for MAIN Display
n Four 25mA Low Dropout MAIN LED Outputs
n One 400mA Low Dropout CAM LED Output
n Low Noise Constant Frequency Operation*
n Low Shutdown Current: 3ВµA
n Internal Soft-Start Limits Inrush Current During
Startup and Mode Switching
n Open/Short LED Protectio No Inductors
n 3mm Г— 3mm 16-Lead Plastic QFN Package
n Applications
n Multi-LED Light Supply for Cellphones/DSCs/PDAs L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners. …