Datasheet > iW600

iW600

更新时间： 2023-12-20 18:44:52

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
6页	445K
描述
Voltage Position Controller in 2-Pin DFN Package

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iW600 数据手册

iW600

Secondary-Side Voltage Positioning Controller

1 Description

The iW600 is a secondary-side voltage position controller to detect the voltage undershoot. It can be used in Dialog’s

primary-side control systems to achieve ultra-low no-load power consumption and fast dynamic load response. The iW600

operates in “Normally-OFF” mode with negligible power consumption during power supply normal steady state operation,

while monitoring dynamic load change through the voltage on the secondary rectiﬁer. A wake-up signal is transferred

through the ﬂyback power transformer to the primary side when a dynamic load change is detected. The iW600 eliminates

loop compensation components and the optocoupler on the secondary side to minimize the bill of material cost.

2 Features

■ Fast system output voltage detection

■ No external components

■ Transmits detection signal to the primary side through

■ Enables <10mW no-load power consumption in typical

ﬂyback transformer

5V-output systems

■ Two-electrical-terminal connection simpliﬁes system

■ Available in 3-lead SOT-23 and 2-lead DFN packages

PCB layout

3 Applications

■ AC/DC adapters/chargers

iW600

OUT

RTN

iW1600

SENSE

GND

OUTPUT

CS/CDC

R_CDC

Figure 3.1: iW600 Typical Application Circuit (Using iW1600 as Primary-Side Controller) (Achieving < 10mW

No-load Power Consumption in 5V/2A 10W Adapter with Fast Dynamic Load Response)

09-Feb-2022

Product Summary

Rev. 1.3

www.renesas.com

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