Features

• Primary-side feedback eliminates opto-isolators and simplifies design
• Built-in cable drop compensation
• Direct drive of BJT switching device
• Very tight output voltage regulation
• No external compensation components required
• Exceeds CEC/EPA no load power consumption and average efficiency regulations
• Built-in output constant-current control with primary-side feedback
• Low start-up current (10 µA typical)
• Built-in soft start
• Built-in short circuit protection and output overvoltage protection
• Fixed switching frequency: 45 kHz or 65 kHz
• Optional AC line under/overvoltage protection
• Dynamic base current control
• Built-in current sense resistor short protection