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ADUM3474ARSZ-RL7 PDF预览

ADUM3474ARSZ-RL7

更新时间： 2024-02-12 19:58:35
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管接口集成电路
页数 文件大小 规格书
36页 822K
描述
Isolated Switching Regulators (0/4 Channel Directionality)

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ADUM3474ARSZ-RL7 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SSOP
包装说明：SSOP,针数：20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.57
接口集成电路类型：INTERFACE CIRCUITJESD-30 代码：R-PDSO-G20
JESD-609代码：e3长度：7.2 mm
湿度敏感等级：1功能数量：1
端子数量：20最高工作温度：105 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：2 mm
最大供电电压：3.6 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：30
宽度：5.3 mmBase Number Matches：1

ADUM3474ARSZ-RL7 数据手册

 浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第2页浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第3页浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第4页浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第5页浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第6页浏览型号ADUM3474ARSZ-RL7的Datasheet PDF文件第7页 
PWM Controller and Transformer  
Driver with Quad-Channel Isolators  
ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474  
Data Sheet  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
T1  
Isolated PWM controller  
VISO  
RECT  
VDD1  
Integrated transformer driver  
Regulated adjustable output: 3.3 V to 24 V  
2 W output power  
70% efficiency at guaranteed load of 400 mA at 5.0 V output  
Quad dc-to-25 Mbps (NRZ) signal isolation channels  
20-lead SSOP package  
V
REG  
X1  
X2  
ADuM3470/ADuM3471/  
ADuM3472/ADuM3473/  
ADuM3474  
V
DD2  
VDDA  
DRIVER  
REG  
5V  
FB  
PRIMARY  
CONVERTER  
SECONDARY  
CONTROLLER  
FB  
OC  
High temperature operation: 105°C maximum  
High common-mode transient immunity: >25 kV/µs  
200 kHz to 1 MHz adjustable oscillator frequency  
Soft start function at power-up  
Pulse-by-pulse overcurrent protection  
Thermal shutdown  
CH A  
CH B  
CH C  
CH D  
VIA/VOA  
VIB/VOB  
VIC/VOC  
VID/VOD  
VIA/VOA  
VIB/VOB  
VIC/VOC  
VID/VOD  
PRIMARY  
DATA  
I/O  
SECONDARY  
DATA  
I/O  
4CH  
4CH  
Safety and regulatory approvals  
GND1  
GND2  
UL recognition: 2500 V rms for 1 minute per UL 1577  
CSA Component Acceptance Notice #5A  
VDE certificate of conformity  
Figure 1. Functional Block Diagram  
ADuM3470  
ADuM3471  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
V
IORM = 560 V peak  
Qualified for automotive applications  
APPLICATIONS  
RS-232/RS-422/RS-485 transceivers  
Industrial field bus isolation  
Power supply start-up bias and gate drives  
Isolated sensor interfaces  
Process controls  
ADuM3472  
Automotive  
GENERAL DESCRIPTION  
The ADuM3470/ADuM3471/ADuM3472/ADuM3473/  
ADuM3474 devices1 are quad-channel digital isolators with an  
integrated PWM controller and transformer driver for an isolated  
dc-to-dc converter. Based on the Analog Devices, Inc., iCoupler®  
technology, the dc-to-dc converter provides up to 2 W of regulated,  
isolated power at 3.3 V to 24 V from a 5.0 V input supply or from  
a 3.3 V supply. This eliminates the need for a separate, isolated  
dc-to-dc converter in 2 W isolated designs. The iCoupler chip scale  
transformer technology is used to isolate the logic signals, and the  
integrated transformer driver with isolated secondary side control  
provides higher efficiency for the isolated dc-to-dc converter. The  
result is a small form factor, total isolation solution. The ADuM347x  
isolators provide four independent isolation channels in a variety of  
channel configurations and data rates (see the Ordering Guide).  
ADuM3473  
ADuM3474  
Figure 2. Block Diagrams of I/O Channels  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,329. Other patents pending.  
Rev. B  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2010–2014 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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