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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