Datasheet Analog Devices LT3797ELXE#PBF — 数据表

LT3797
Triple Output LED Driver
Controller
DESCRIPTION FEATURES n n n n n n n n n n Three Independent LED Driver Channels
Wide Input Voltage Range: 2.5V to 40V
VIN Transient Ride-Through Up to 60V
Rail-to-Rail LED Current Sense: 0V to 100V
3000:1 PWM Dimming
TG Drivers for PMOS LED Disconnection
Operates in Boost, Buck Mode, Buck-Boost Mode,
SEPIC or Flyback Topology
Open-LED Protection
Short-Circuit Protected Boost Capable
Fault Flags for Independent Channels
Programmable VIN Undervoltage and Overvoltage
Lockout
Adjustable Switching Frequency: 100kHz to 1MHz
Synchronizeable to an External Clock
CTRL Pins Provide Analog Dimming
Programmable Soft-Start
Low Profile 52-Lead 7mm x 8mm QFN and 48-Lead
Exposed Pad LQFP The LT®3797 is a triple output DC/DC controller designed
to drive three strings of LEDs. The fixed frequency, current …