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IW1810

iWatt
Part Number IW1810
Manufacturer iWatt
Description Off-Line Digital Green-Mode PWM Controller
Published Oct 31, 2016
Detailed Description iW1810 Off-Line Digital Green-Mode PWM Controller Integrated with Power BJT 1.0 Features ●● Primary-side feedback elimi...
Datasheet PDF File IW1810 PDF File

IW1810
IW1810

Overview
iW1810 Off-Line Digital Green-Mode PWM Controller Integrated with Power BJT 1.
0 Features ●● Primary-side feedback eliminates opto-isolators and simplifies design ●● Internal 800-V bipolar junction transistor (BJT) ●● 64kHz PWM switching frequency ●● No-load power consumption < 100mW at 230Vac with typical application circuit ●● Adaptive multi-mode PWM/PFM control improves efficiency ●● Quasi-resonant operation for highest overall efficiency ●● EZ-EMI® design to easily meet global EMI standards ●● Dynamic BJT base drive current control ●● Very tight constant voltage and constant current regulation with primary-side-only feedback ●● No external compensation components required ●● Complies with EPA 2.
0 energy-efficiency specifications with ample margin ●● Low start-up current (8μA typical) ●● Built-in soft start ●● Built-in short circuit protection and output overvoltage protection ●● Built-in current sense resistor short circ...


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