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PDF ADUM1233 Data sheet ( Hoja de datos )
| Número de pieza | ADUM1233 | |
| Descripción | Precision Half-Bridge Driver | |
| Fabricantes | Analog Devices | |
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Isolated, Precision Half-Bridge
Driver, 0.1 A Output
ADuM1233
FEATURES
Isolated high-side and low-side outputs
High side or low side relative to input: ±700 VPEAK
High side/low side differential: 700 VPEAK
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
UL1577 2500 V rms input-to-output withstand voltage
APPLICATIONS
Isolated IGBT/MOSFET gate drives
Plasma displays
Industrial inverters
Switching power supplies
GENERAL DESCRIPTION
The ADuM12331 is an isolated, half-bridge gate driver that
employs the Analog Devices, Inc. iCoupler® 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 iCoupler
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 employing 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 VPEAK 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 VPEAK.
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
VIA 1
VIB 2
VDD1 3
GND1 4
DISABLE 5
NC 6
NC 7
VDD1 8
ENCODE
DECODE
ENCODE
DECODE
Figure 1.
16 VDDA
15 VOA
14 GNDA
13 NC
12 NC
11 VDDB
10 VOB
9 GNDB
1 Protected by U.S. Patents 5,952,849 and 6,291,907.
Rev. A
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
www.analog.com
Fax: 781.461.3113 ©2006–2007 Analog Devices, Inc. All rights reserved.
1 page  
ABSOLUTE MAXIMUM RATINGS
Ambient temperature = 25°C, unless otherwise noted.
Table 6.
Parameter
Storage Temperature (TST)
Ambient Operating Temperature (TA)
Input Supply Voltage (VDD1)1
Output Supply Voltage1 (VDDA, VDDB)
Input Voltage1 (VIA, VIB)
Output Voltage1
VOA
VOB
Input-to-Output Voltage2
Output Differential Voltage3
Output DC Current (IOA, IOB)
Common-Mode Transients4
Rating
−55°C to +150°C
−40°C to +105°C
−0.5 V to +7.0 V
−0.5 V to +27 V
−0.5 V to VDDI + 0.5 V
−0.5 V to VDDA + 0.5
−0.5 V to VDDB + 0.5 V
−700 VPEAK to +700 VPEAK
700 VPEAK
−20 mA to +20 mA
−100 kV/μs to +100 kV/μs
1 All voltages are relative to their respective ground.
2 Input-to-output voltage is defined as GNDA − GND1 or GNDB − GND1.
3 Output differential voltage is defined as GNDA − GNDB.
4 Refers to common-mode transients across any insulation barrier. Common-
mode transients exceeding the Absolute Maximum Ratings may cause
latch-up or permanent damage.
ADuM1233
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
Rev. A | Page 5 of 12
5 Page 
NOTES
ADuM1233
Rev. A | Page 11 of 12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ADUM1233.PDF ] | |
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