General Description
The MAX16822A/MAX16822B step-down constant-current high-brightness LED (HB LED) drivers provide a cost-effective design solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs, and other LED illumination applications.

Benefits and Features
• Cost-Effective Solution for Wide Range of LED
   Lighting Applications
• 6.5V to 65V Input Voltage Range
• Output Current Up to 500mA
• ±3% LED Current Accuracy
• Selectable Dimming Options: Linear or PWM
• Minimal Component Count Saves Cost and Space
• On-Board 65V, 0.85Ω Power MOSFET
• Resistor-Programmable Constant LED Current
• Integrated High-Side Current Sense with 200mV
   Current-Sense Reference
• Hysteretic Control: Up to 2MHz Switching
   Frequency
• Protection Features and Wide Operating
   Temperature Range Improves Reliability
• Thermal-Foldback Protection Dims LEDs to
   Minimize Overheating
• Thermal-Shutdown Protection
• Available in an 8-Pin SO Package
• Operation Over -40°C to +125°C Temperature
   Range

Applications
   Architectural, Industrial, and Ambient Lighting
   Automotive RCL, DRL, and Fog Lights
   Heads-Up Displays
   Indicator and Emergency Lighting