Datasheet Linear Technology LTC3210EUD-1#PBF — 数据表

LTC3210-1
MAIN/CAM LED Controller
with 64-Step Brightness Control
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
n 64:1 Linear 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 Operatio 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 Г— 0.75mm 16-Lead Plastic QFN Package
n Applications Multi-LED Light Supply for Cell Phones/DSCs/PDAs n L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners. The LTCВ®3210-1 is a low noise charge pump DC/DC converter designed to drive four MAIN LEDs and one high …