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ADUM3223CRZ Arkusz danych(PDF) 1 Page - Analog Devices

Numer części ADUM3223CRZ
Szczegółowy opis  Isolated Precision Half-Bridge Driver
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ADUM3223CRZ Arkusz danych(HTML) 1 Page - Analog Devices

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Isolated Precision Half-Bridge Driver,
4 A Output
Data Sheet
ADuM3223/ADuM4223
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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
www.analog.com
Fax: 781.461.3113
©2012 Analog Devices, Inc. All rights reserved.
FEATURES
4 A peak output current
Working voltage
High-side or low-side relative to input: 565 V
DC PEAK
High-side to low-side differential: 700 V
DC PEAK
High frequency operation: 1 MHz maximum
3.3 V to 5 V CMOS input logic
4.5 V to 18 V output drive
UVLO at 2.5 V V
DD1
ADuM3223A/ADuM4223A UVLO at 4.1 V V
DD2
ADuM3223B/ADuM4223B UVLO at 7.0 V VDD2
ADuM3223C/ADuM4223C UVLO at 11.0 V V
DD2
Precise timing characteristics
49 ns maximum isolator and driver propagation delay
5 ns maximum channel-to-channel matching
CMOS input logic levels
High common-mode transient immunity: >50 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 (pending)
ADuM3223 narrow body, 16-lead SOIC
UL 1577 3000 V rms input-to-output withstand voltage
ADuM4223 wide body, 16-lead SOIC
UL 1577 5000 V rms input-to-output withstand voltage
APPLICATIONS
Switching power supplies
Isolated IGBT/MOSFET gate drives
Industrial inverters
GENERAL DESCRIPTION
The ADuM3223/ADuM42231 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 ADuM3223 provides 3000 V rms
isolation in the narrow body, 16-lead SOIC package, and the
ADuM4223 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 ADuM3223/ADuM4223 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
ADuM3223/ADuM4223 offer the benefit of true, galvanic
isolation between the input and each output. Each output may
be continuously operated up to 560 VPEAK relative to the input,
thereby supporting low-side switching to negative voltages. The
differential voltage between the high-side and low-side may be
as high as 700 VPEAK.
As a result, the ADuM3223/ADuM4223 provide reliable
control over the switching characteristics of IGBT/MOSFET
configurations over a wide range of positive or negative
switching voltages.
FUNCTIONAL BLOCK DIAGRAM
ENCODE
DECODE
ENCODE
DECODE
DISABLE
NC
NC
VDD1
NC
VDDB
VOB
GNDB
5
6
7
8
12
11
GND1
NC
4
13
VDD1
GNDA
3
14
VIB
VOA
2
15
VIA
VDDA
1
16
10
9
NC = NO CONNECT
ADuM3223/
ADuM4223
Figure 1.
1 Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,239. Other patents pending.


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