Datasheet > iW600-00-DFN2

iW600-00-DFN2

更新时间： 2024-11-15 01:11:23

品牌	Logo	应用领域
DIALOG		/
页数	文件大小	规格书
6页	375K
描述
Secondary-Side Voltage Positioning Controller

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iW600-00-DFN2 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)

Product Summary

Rev. 1.0

10-November-2016

www.dialog-semiconductor.com

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12 3 4 5 6

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