iW1762

iW1762 Product Brief Ultra-Low No-Load Power Digital Quasi-Resonant PWM Controller 1.0 Features ●● Ultra-low no-load power consumption with lowest system cost (< 20mW at 230VAC in typical 20W and above power supplies) ●● Primary-side feedback eliminates opto-isolators and simplifies design ●● Intelligent low power management achieves ultra-low operating current (~300μA) at no-load ●● Adaptive load transient detection and fast response ●● Adaptively controlled soft-start enables fast and smooth start-up for a wide range of capacitive loads (from 330μF to 6,000μF) with output voltage up to 12V ●● Tight constant-voltage regulation across line and load range ●● Proprietary optimized 79kHz maximum PWM switching frequency with quasi-resonant operation achieves best size, efficiency and common mode noise ●● User-configurable 5-level cable drop compensation provides design flexibility ●● EZ-EMI® design enhances manufacturability ●● Adaptive multi-mo...