LX27901集成电路（IC）的LED驱动器规格书PDF中文资料

LX27901属于集成电路（IC）的LED驱动器。由美高森美公司制造生产的LX27901LED 驱动器器件属于 LED 驱动器电源管理集成电路 (PMIC) 系列，可通过标称固定电压的电源为负载（通常为发光二极管）提供电流，并且电流可控。它与用于电压调节的类似产品的主要区别在于，这类器件提供较低的反馈电压（以提高系统能效），而且通常可对器件工作点进行外部控制，可在照明应用中用于实现调光功能。

KEY FEATURES

 Three Selectable Drive Modes to

Support Wide Range of Topologies

 Optimized Solution for Off PFC LED

Drive Applications

 0.8A Source & Sink Drive Capacity

 On Chip 5.25V Regulator

 Direct Connection to Input Voltage

up to 27V

 ACU_BRITE Algorithm to Provide

Accurate Brightness Control at

Highest Operating Efficiency Over

Wide Dimming Duty Range

 User Selectable Dimming Mode

Control

 Synchronous Regulation Function

to Minimize Power Conversion

Stage

 Accurate LED Current Matching In

Combination With Microsemi’s Nondissipative

Balancing Technology

 Robust Operation at Open and

Short LED Conditions

 Compensated External and Internal

PWM Dimming Operation

 Dedicated Fault Indication

 LED Current and Voltage

Monitoring

 RoHS Compliant & Halogen Free

APPLICATIONS

 LCD LED Backlight TV

 LCD LED Backlight Monitors

 Other LED Backlight Systems