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IW1706
Features
Primary-side feedback eliminates opto-isolators and simplifies design
Adaptively controlled soft start-up enables fast and smooth start-up for a wide range of capacitative loads (from 300 μF to 6000 μF)
Very tight constant voltage regulation
EZ-EMI® design enhances manufacturability
Intrinsically low common mode noise
Optimized 72 kHz maximum PWM switching frequency achieves best size and efficiency
Adaptive multi-mode PWM/PFM control improves efficiency
Quasi-resonant operation for highest overall efficiency
Direct drive of low-cost BJT switch
Dynamic base current control
