IW2202 Datasheet (iWatt Corporation) - Digital SMPS Controller

IW2202, Digital SMPS Controller

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 combi

IW2202 Features

* PulseTrain™ regulation allows voltage, current and PFC to be controlled independently Primary-only feedback eliminates optoisolators and simplifies design No loop compensation components required ±1% regulation over a 100:1 load variation B