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Isolated, Precision Half-Bridge
Driver, 0.1 A Output
Data Sheet
FEATURES
Isolated high-side and low-side outputs
High side or low side relative to input: ±700 V PEAK
High-side/low-side differential: 700 V PEAK
0.1 A peak output current
High frequency operation: 5 MHz maximum
High common-mode transient immunity: >75 kV/μs
High temperature operation: 105°C
Wide body, 16-lead SOIC
Safety and regulatory approvals
UL recognition
2500 V rms for 1 minute per UL 1577
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10): 2006-12
V IORM = 560 V peak
APPLICATIONS
Isolated IGBT/MOSFET gate drives
Plasma displays
Industrial inverters
Switching power supplies
ADuM1233
GENERAL DESCRIPTION
The ADuM1233 1 is an isolated, half-bridge gate driver that
uses the Analog Devices, Inc., i Coupler? technology to provide
independent and isolated high-side and low-side outputs.
Combining high speed CMOS and monolithic transformer
technology, this isolation component provides outstanding
performance characteristics superior to optocoupler-based
solutions.
By avoiding the use of LEDs and photodiodes, this i Coupler gate
drive device is able to provide precision timing characteristics
not possible with optocouplers. Furthermore, the reliability and
performance stability problems associated with optocoupler LEDs
are avoided.
In comparison to gate drivers that use high voltage level translation
methodologies, the ADuM1233 offers the benefit of true, galvanic
isolation between the input and each output. Each output can be
operated up to ±700 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 700 V PEAK .
As a result, the ADuM1233 provides reliable control over the
switching characteristics of IGBT/MOSFET configurations over
a wide range of positive or negative switching voltages.
FUNCTIONAL BLOCK DIAGRAM
V IA 1
16 V DDA
V IB 2
V DD1 3
GND 1 4
DISABLE 5
NC 6
ENCODE
DECODE
15 V OA
14 GND A
13 NC
NC
12
V DDB
11
NC 7
V DD1 8
ENCODE
DECODE
10
9
V OB
GND B
Figure 1.
1
Protected by U.S. Patents 5,952,849; 6,873,065; 6,903,578; 7,075,329.
Rev. C
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 www.analog.com
Fax: 781.461.3113 ?2006–2012 Analog Devices, Inc. All rights reserved.
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