Single-Stage PFC + Accurate CC Output
• ±3% CC regulation in single line input voltage applications
• Power factor >0.9
• High efficiency >85%
• Robust 725 V MOSFET for increased line voltage surge resistance
• Critical Conduction Mode (CrM) buck
• Low EMI
• Excellent line noise and transient rejection
Dimming Highlights
• Fast turn-on (<500 ms)
• Low pop-on
• Better than 10:1 dimming ratio
• Simple passive R-C damper
• Monotonic dimming profile
Design Flexibility
• Wide input (90 VAC – 308 VAC) and output voltage range operation
• 2 family members cover power range for optimum device selection
• Requires no inductor bias winding
• Small form factor package – SO-8
Highest Reliability
• Industry’s lowest component count dimming solution
• Comprehensive protection features with auto-restart
• Input and output overvoltage protection (OVP)
• Output short-circuit protection
• Open-loop protection
• Advanced thermal control
• Thermal foldback ensures that light continues to be delivered at
elevated temperatures
• Over-temperature shutdown provides protection during fault
conditions