GU10/E27 LED Driver Design

Features:

• Universal AC input and single range
• Protections: OCP and SCP
• Driving three pcs 1 W LEDs in series
• Dielectric strength: 1.5kV AC, leakage current 5mA, 60 seconds
• Built-in 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: GU10/E27/E26 LED Spot Lights

Technical data:

• Power: 3W
• Input voltage range: 110/230V AC
• Frequency: 50 to 60Hz
• Power factor: 0.9  (typical)
• Power efficiency: 75%
• Output voltage: 6 to 11 V DC
• Output current: 270mA (typical value), 280mA (maximum)
• Operating temperature: -40 to 65°C
• Humidity: 35 to 80% RH
• MTBF calculation: up to 50,000 hours lifetime

• Mechanical specifications:
  • Naked PCB or plastic housing
  • Dimension (L x W x H): W25 x H18 x H14mm
  • Weight: 8g (for naked boards)

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