iW1679 Datasheet Off-Line Digital Green-Mode Quasi-Resonant PWM Controller

Manufacturer: Dialog Semiconductor (now Renesas)

iW1679 off-line digital green-mode quasi-resonant pwm controller by Dialog Semiconductor (now Renesas) - Datasheet Preview

Datasheet Details

Part number	iW1679
Manufacturer	Dialog Semiconductor (now Renesas)
File Size	281.76 KB
Description	Off-Line Digital Green-Mode Quasi-Resonant PWM Controller
Download	iW1679 Download (PDF)

General Description

The iW1679 is a high performance AC/DC power supply controller that uses digital control technology to build peak current mode PWM flyback power supplies.

The device directly drives a power BJT and operates in quasi-resonant mode to provide high efficiency and key built-in protection

Overview

iW1679 Off-Line Digital Green-Mode Quasi-Resonant PWM Controller.

Key Features

while minimizing the external component count, simplifying EMI design, and lowering the total bill of material cost. The iW1679 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 conditions. The pulse-by-pulse waveform analysis allows for fast dynamic load response for both one-time and repetitive load transients. The built-in power limit.

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