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IW1700

iWatt
Part Number IW1700
Manufacturer iWatt
Description Zero Power No-Load Off-Line Digital PWM Controller
Published Oct 31, 2016
Detailed Description iW1700 Zero Power No-Load Off-Line Digital PWM Controller 1.0 Features ●● Zero power consumption at no-load with lowest...
Datasheet PDF File IW1700 PDF File

IW1700
IW1700

Overview
iW1700 Zero Power No-Load Off-Line Digital PWM Controller 1.
0 Features ●● Zero power consumption at no-load with lowest system cost (< 5 mW at 230 Vac with typical application circuit) ●● Intelligent low power management achieves ultra-low operating current at no-load ●● Adaptive load transient detection and fast response ●● Very tight constant voltage and constant current regulation over entire operating range ●● Primary-side feedback eliminates opto-isolators and simplifies design ●● EZ-EMI ® design enhances manufacturability ●● Intrinsically low common mode noise ●● Optimized 72 kHz maximum PWM switching frequency achieves best size and efficiency ●● Active start-up scheme enables fastest possible start-up ●● Adaptive multi-mode PWM/PFM control improves efficiency ●● Quasi-resonant operation for highest overall efficiency ●● Direct drive of low-cost BJT switch ●● No external compensation components required ●● Complies with E...


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