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IW2202

iWatt Corporation
Part Number IW2202
Manufacturer iWatt Corporation
Description Digital SMPS Controller
Published Nov 14, 2011
Detailed Description www.DataSheet.co.kr iW2202 Digital SMPS Controller Preliminary Data 1 Application Blue-Angel-compliant PFC-controlled...
Datasheet PDF File IW2202 PDF File

IW2202
IW2202

Overview
www.
DataSheet.
co.
kr iW2202 Digital SMPS Controller Preliminary Data 1 Application Blue-Angel-compliant PFC-controlled switch-mode power supplies up to 150 watts.
4 Description The iW2202 is a digital switching mode power supply controller for PFC applications.
Its is typically used with the PFC-corrected BIFRED (Boost Integrated with Flyback Rectifier/Energy storage DC/DC) topology, shown in Figure 1.
The BIFRED topology is a singlestage, single-switch topology that combines a boost converter with an isolated flyback converter, achieving power-factor correction with a low parts count.
An iW2202-based power supply looks like a resistor to the AC line.
Unlike attempts to control the BIFRED...


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