LX27901 LX27901ID High Performance LED Controller

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 Non-
dissipative 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