LT3518
Description
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.
Key Features
- 3000:1 True Color PWM™ Dimming Ratio
- 2.3A, 45V Internal Switch
- 100mV High Side Current Sense
- Open LED Protection
- Adjustable Frequency: 250kHz to 2.5MHz
- Wide Input Voltage Range: Operation from 3V to 30V Transient Protection to 40V
- Operates in Boost, Buck Mode and Buck-Boost Mode
- Gate Driver for PMOS LED Disconnect
- Constant-Current and Constant-Voltage Regulation
- CTRL Pin Provides 10:1 Analog Dimming