LT3518 - Full-Featured LED Driver
The LT®3518 is a current mode DC/DC converter with an internal 2.3A, 45V switch specifically designed to drive LEDs.
The LT3518 operates as a LED driver in boost, buck mode and buck-boost mode.
It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or
LT3518 Features
* n 3000:1 True Color PWM™ Dimming Ratio n 2.3A, 45V Internal Switch n 100mV High Side Current Sense n Open LED Protection n Adjustable Frequency: 250kHz to 2.5MHz n Wide Input Voltage Range: Operation from 3V to 30V Transient Protection to 40V n Operates in Boost, Buck Mode and Buck-Boost Mode n Gate