iW1676
iW1676 is Low-Power Off-Line Digital Green-Mode PWM Controller manufactured by iWatt.
Low-Power Off-Line Digital Green-Mode PWM Controller
1.0 Features
- - No-load power consumption < 30 mW at 230 Vac with typical application circuit (5-star rating)
- - Fast dynamic load response for both one-time and repetitive load transients
- - Very tight constant voltage and constant current regulation over entire operating range
- - Primary-side feedback eliminates opto-isolators and simplifies design
- - 64 kHz PWM switching frequency
- - Ultra-low start-up current (1.7 μA typical)
- - EZ-EMI ® design enhances manufacturability
- - Intrinsically low mon mode noise
- - Adaptive multi-mode PWM/PFM control improves efficiency
- - Quasi-resonant operation for highest overall efficiency
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