iW1818 Datasheet Off-Line Digital Green-Mode Quasi-Resonant PWM Controller Integrated

Manufacturer: Dialog Semiconductor (now Renesas)

iW1818 off-line digital green-mode quasi-resonant pwm controller integrated by Dialog Semiconductor (now Renesas) - Datasheet Preview

Datasheet Details

Part number	iW1818
Manufacturer	Dialog Semiconductor (now Renesas)
File Size	381.36 KB
Description	Off-Line Digital Green-Mode Quasi-Resonant PWM Controller Integrated
Datasheet	iW1818 Datasheet

General Description

The iW1818 is a high performance AC/DC power supply control device that uses digital control technology to build peak current mode PWM flyback power supplies.

The device includes an internal power BJT, operates in quasi-resonant mode, and includes key built-in protection

Overview

iW1818 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller Integrated with Power.

Key Features

This combination of features and integration simplifies design, improves efficiency, reduces EMI and lowers the bill of material cost. The iW1818 features a distinctive soft-start scheme, which allows for fast and yet smooth start-up with both small and large capacitive loads. It removes the need for a secondary feedback circuit while achieving excellent line and load regulation. It also eliminates the need for loop compensation components while maintaining stability over all operating conditio.

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