• Product Brief
• Application Note
• Datasheet
• Order Samples

Features

• Primary-side feedback eliminates opto-isolators and simplifies design
• Adaptive multi-mode PWM/PFM control improves efficiency
• Quasi-resonant operation for highest overall efficiency
• EZ-EMI ® design to easily meet global EMI standards
• Direct drive of low-cost BJT switch
• Dynamic base current control
• Very tight constant voltage and constant current regulation with primary-side-only feedback.
• No external compensation components required
• Complies with EPA 2.0 energy-efficiency specifications with ample margin
• Able to meet < 30 mW no load power consumption
• Low start-up current (10 μA typical)
• Built-in soft start
• Built-in short circuit protection and output overvoltage protection
• Built-in current sense resistor short protection
• Built-in current sense resistor short protection

Application

• Low power AC/DC adapter/chargers for cell phones, PDAs, digital still cameras
• Linear AC/DC replacement