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ADuM3224 Datasheet دیتاشیت PDF دانلود

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شماره قطعه ADuM3224
شرح مفصل Isolated Precision Half-Bridge Driver
تولید کننده Analog Devices 
آرم Analog Devices 


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ADuM3224 شرح
Data Sheet
Isolated Precision Half-Bridge Driver,
4 A Output
ADuM3224/ADuM4224
FEATURES
4 A peak output current
Working voltage
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
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
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
VIORM = 560 V peak
ADuM4224 wide-body, 16-lead SOIC
UL recognition per UL 1577
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
FUNCTIONAL BLOCK DIAGRAM
VIA 1
VIB 2
ADuM3224/
ADuM4224
ENCODE
DECODE
16 VDDA
15 VOA
VDD1 3
14 GNDA
GND1 4
13 NC
DISABLE 5
12 NC
NC 6
NC 7
ENCODE
DECODE
11 VDDB
10 VOB
VDD1 8
9 GNDB
NC = NO CONNECT
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.
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.
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
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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