AAT2404 Voltage-Variable Current Sourcing Boost Controller

AAT2404 Voltage-Variable Current Sourcing Boost Controller

The AAT2404 is a highly integrated high-efficiency variable voltage current sourcing boost controller for white LED backlight applications intended for use in large size LCD panels and LCD TVs. To accommodate various LED backlighting configurations in both direct and edge lighting applications, the .

Features

• VIN Range: 10.8V
  – 28.0V
• Maximum VLED: 100V
• Up to 95% Boost Conversion Efficiency
• Integrated Current Sense Eliminates Need for Ballast Resistors
• Switching Frequency Options ▪ 400KHz Nominal ▪ Adjustable Range from 100kHz to 800kHz
• Adjustable Regulation Voltage ▪ Analog Input from LED Driver ▪ User Adjustable for Fixed Output
• Integrated Low Impedance Gate Drive = VCC
• Flexible Current Sense Feedback Control
• Power OK Output
• Integrated Over-Voltage Protection
• Soft-Start to Minimize Inrush Current
• TQFN34-24 Low Profile Package
• -40°C to +85°C Temperature Ra.