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iW1679-50

Dialog Semiconductor
Part Number iW1679-50
Manufacturer Dialog Semiconductor
Description Off-Line Digital Green-Mode Quasi-Resonant PWM Controller
Published Oct 11, 2017
Detailed Description iW1679-50 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller 1.0 Features ●● Optimized for 5V2A AC/DC adapters/ch...
Datasheet PDF File iW1679-50 PDF File

iW1679-50
iW1679-50

Overview
iW1679-50 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller 1.
0 Features ●● Optimized for 5V2A AC/DC adapters/chargers with < 30mW no-load power consumption at 230VAC and fast dynamic load response for both one-time and repetitive load transients ●● Direct drive of low-cost BJT power switch ●● Very tight constant voltage and constant current regulation over entire operating range ●● PrimAccurateTM primary-side feedback eliminates opto-isolators and simplifies design ●● EZ-EMI® design enhances manufacturability ●● Intrinsically low common mode noise ●● Optimized 72kHz maximum PWM switching frequency achieves best size and efficiency ●● Adaptive multi-mode PWM/PFM control improves effi...


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