安森美LED驱动方案

LED在光输出、能效及成本方面得到了全面改善，同时具备了小巧、低压工作及环保等众多优势，应用范围也在不断拓宽。未来，LED照明在通用照明、LCD背光、汽车照明等领域的增长前景尤为可观。安森美半导体提供丰富的LED驱动器产品，可满足各种LED照明应用需求。

主要特性：

_Integrated 1.5 A Switch 　

_Input Voltage Range from 3.0 V to 40 V 　

_Low Feedback Voltage of 235 m 　V

_Cycle 　-by-Cycle Current Limit

_No Control Loop Compensation Required 　

_Frequency of Operation Adjustable up to 250 kHz 　

_Operation with All Ceramic Output Capacitors or No Output Capacitance 　

_Analog and Digital PWM Dimming Capability 　

_Internal Therma 　l Shutdown with Hysteresis

_Automotive Version Available 　

主要应用：

_Automotive and Marine Lighting 　

_High Power LED Driver 　

_Constant Current Source 　

_Low Voltage LED Lighting 　

方案特性：

LEDs are replacing traditional incandescent and halogen lighting sources in architectural, industrial, residential and the transportation lighting. The key challenge in powering LED’s is providing a constant current source. The  evaluation board for the NCP3065/NCV3065 can be easily configured for a variety of constant current buck and boost
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