RT8549L Description
The RT8549L is a high efficiency Boost converter with 4-CH LED driver supporting 60V maximum output voltage. It is designed for LCD panel applications that employs LED as lighting sources. The Boost converter generates a suitable output voltage to drive four LED strings in parallel and supports up to 18 LEDs per string.
RT8549L Key Features
- Wide Operating Input Voltage : 4.2V to 24V
- Max 60V Output Voltage
- 3% LED Current Accuracy
- 2% LED Current Matching
- Low Drop Output 120mA/0.4V Current Sink
- SMBus Programs LED Current, Switching
- LED Current : 22.58mA to 180mA
- Switching Frequency : 200kHz to 900kHz
- Dimming Mode : PWM, DC, Mixed-Mode
- Built-in Input UVP, Output OVP, OCP, and Soft-Start
RT8549L Applications
- Wide Operating Input Voltage : 4.2V to 24V