Product Highlights
CV and 4-Channel LED Backlight Controller
• Eliminates buck and LED backlight boost converters
• One or two constant voltage outputs
• Independently regulated outputs with instantaneous transient
response ±5% CV on 0%-100%-0% load step
• Typical output voltages
• One CV mode: 5 V to 22 V
• Two CV mode: 5 V and 12 V to 22 V
• 1-4 string LED backlight
• 3% matching accuracy for LED strings
• Analog, PWM, sequenced PWM and filtered PWM operation
• Up to 100 V string voltage / up to 960 mA total string current
• Up to 2:1 LED string voltage range
Advanced Protection / Safety Features
• Individual overload protection for all outputs
• String imbalanced / short / open protection
• Output overvoltage set for auto-restart
Convenient Packages
• 28-Lead HSOP for single-sided wave soldered PCBs or small 28-Lead
QFN (5x5 mm Body) for compact multilayer designs
Applications
• ENERGY STAR 8, CEC, and 2021/2023 EU labeling for monitors and TVs