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ADUM3224WARZ

更新时间： 2024-11-19 02:50:11
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亚德诺 - ADI /
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19页 561K
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Isolated Precision Half-Bridge Driver, 4 A Output

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ADUM3224WARZ 数据手册

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Isolated Precision Half-Bridge Driver,  
4 A Output  
Data Sheet  
ADuM3224/ADuM4224  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
4 A peak output current  
ADuM3224/  
Working voltage  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
V
V
V
IA  
DDA  
OA  
ADuM4224  
High-side or low-side relative to input: 537 V peak  
High frequency operation: 1 MHz maximum  
3.3 V to 5 V CMOS input logic  
4.5 V to 18 V output drive  
Secondary UVLO  
ADuM3224A/ADuM4224A UVLO at 4.1 V VDDA/VDDB  
ADuM3224B/ADuM4224B UVLO at 6.9 V VDDA/VDDB  
ADuM3224C/ADuM4224C UVLO at 10.5 V VDDA/VDDB  
Precise timing characteristics  
59 ns maximum isolator and driver propagation delay  
5 ns maximum channel-to-channel matching  
CMOS input logic levels  
ENCODE  
DECODE  
IB  
V
GND  
NC  
NC  
V
DD1  
A
GND  
1
DISABLE  
NC  
DDB  
ENCODE  
DECODE  
NC  
V
OB  
V
GND  
B
DD1  
NC = NO CONNECT  
High common-mode transient immunity: >25 kV/μs  
Enhanced system-level ESD performance per IEC 61000-4-x  
High junction temperature operation: 125°C  
Default low output  
Safety and regulatory approvals  
ADuM3224 narrow-body, 16-lead SOIC  
UL recognition per UL 1577  
Figure 1.  
GENERAL DESCRIPTION  
TheADuM3224/ADuM42241 are 4 A isolated, half-bridge gate  
drivers that employ the Analog Devices, Inc., iCoupler® technology  
to provide independent and isolated high-side and low-side  
outputs. The ADuM3224 provides 3000 V rms isolation in the  
narrow-body, 16-lead SOIC package, and the ADuM4224 provides  
5000 V rms isolation in the wide-body, 16-lead SOIC package.  
Combining high speed CMOS and monolithic transformer  
technology, these isolation components provide outstanding  
performance characteristics superior to the alternatives, such as  
the combination of pulse transformers and gate drivers.  
3000 V rms for 1 minute SOIC long package  
CSA Component Acceptance Notice 5A  
VDE certificate of conformity (pending)  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
V
IORM = 560 V peak  
ADuM4224 wide-body, 16-lead SOIC  
UL recognition per UL 1577  
The ADuM3224/ADuM4224 isolators each provide two  
independent isolated channels. They operate with an input  
supply ranging from 3.0 V to 5.5 V, providing compatibility  
with lower voltage systems. In comparison to gate drivers  
employing high voltage level translation methodologies, the  
ADuM3224/ADuM4224 offer the benefit of true, galvanic  
isolation between the input and each output. Each output can  
be continuously operated up to 537 V peak relative to the input,  
thereby supporting low-side switching to negative voltages. The  
differential voltage between the high-side and low-side can be as  
high as 800 V peak.  
5000 V rms for 1 minute SOIC long package  
CSA Component Acceptance Notice 5A  
VDE certificate of conformity (pending)  
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12  
VIORM = 849 V peak  
Qualified for automotive applications  
APPLICATIONS  
Switching power supplies  
Isolated IGBT/MOSFET gate drives  
Industrial inverters  
As a result, the ADuM3224/ADuM4224 provide reliable control  
over the switching characteristics of IGBT/MOSFET configurations  
over a wide range of positive or negative switching voltages.  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7,075,239. 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 registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2013–2015 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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