4-7W Dimmable ceiling light LED drivers circuit

                               4-7W Dimmable Down light and ceiling lights LED drivers
Features:

• Universal AC input and full range
• Protections: OCP and SCP
• Driving 4 to 7 pcs 1W LEDs in series
• Dielectric strength: 3750V AC, leakage current 5mA, 60 seconds
• isolated constant current LED drivers
• Low-noise and environment-friendly
• Use highly efficient, steady and low-loss switch control chip
• Burn-in test: 100% for at least 4 hours under working temperature of 40°C
• Application: Ceiling light, Down light LED lights

Technical data:

• Power: 4-7W
• Input voltage range: 110/230V AC
• Frequency: 50 or 60Hz
• Power factor: 0.82(typical)
• Power efficiency: 78%
• Output voltage: 12 to 24V DC
• Output current: 300mA (typical value), 320mA (maximum)
• Operating temperature: -40 to 65°C
• Humidity: 35 to 80% RH
• Naked PCB or plastic housing
• Weight: 70g