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| 型号： | EVAL-ADUM3221AEBZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADUM3220/ADUM3221 |
| 标准包装： | 1 |
| 系列： | iCoupler® |
| 主要目的： | 接口，数字式隔离器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADuM3220，ADuM3221 |
| 主要属性： | 2 通道 |
| 次要属性： | 3 V ~ 5.5 V 电源 |
| 已供物品： | 板 |
Isolated, 4 A Dual-Channel Gate Driver
Data Sheet
FEATURES
4 A peak output current
Precise timing characteristics
60 ns maximum isolator and driver propagation delay
5 ns maximum channel-to-channel matching
High junction temperature operation: 125°C
3.3 V to 5 V input logic
4.5 V to 18 V output drive
UVLO at 2.5 V V DD1
Thermal shutdown protection at >150°C
Output shoot-through logic protection on the ADuM3220
Default low output
High frequency operation: dc to 1 MHz
CMOS input logic levels
High common-mode transient immunity: >25 kV/μs
Enhanced system-level ESD performance per IEC 61000-4-x
UL recognition
2500 V rms for 1 minute per UL 1577
CSA Component Acceptance Notice #5A
VDE certificate of conformity
DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
V IORM = 560 V peak
Small footprint and low profile
Narrow body, RoHS-compliant, 8-lead SOIC
5 mm × 6 mm × 1.6 mm
GENERAL DESCRIPTION
The ADuM3220 / ADuM3221 1 are isolated, 4 A dual-channel gate
drivers based on the Analog Devices, Inc., i Coupler? technology.
Combining high speed CMOS and monolithic transformer technol-
ogy, these isolation components provide outstanding performance
characteristics superior to the alternatives, such as the combination
of pulse transformers and gate drivers.
The ADuM3220 / ADuM3221 provide digital isolation in two
independent isolation channels. They have a maximum propagation
delay of 60 ns and 5 ns channel-to-channel matching. In comparison
to gate drivers that employ high voltage level translation method-
ologies, the ADuM3220 / ADuM3221 offer the benefit of true,
galvanic isolation between the input and each output, enabling
voltage translation across the isolation barrier. The ADuM3220
has shoot-through protection logic, which prevents both outputs
from being on at the same time, whereas the ADuM3221 allows
both outputs to be on at the same time. Both parts offer a default
output low characteristic as required for gate drive applications.
The ADuM3220 / ADuM3221 operate with an input supply voltage
ranging from 3.0 V to 5.5 V, providing compatibility with lower
can be operated at supply voltages from 4.5 V to 18 V. The outputs
of the ADuM3220B / ADuM3221B can be operated at supply
voltages from 7.6 V to 18 V.
The junction temperature of the ADuM3220 / ADuM3221 is
specified from ?40°C to +125°C.
Qualified for automotive applications
APPLICATIONS
Isolated synchronous dc-to-dc converters
MOSFET/IGBT gate drivers
FUNCTIONAL BLOCK DIAGRAMS
V DD1 1
ADuM3220
8
V DD2
V DD1 1
ADuM3221
8
V DD2
DECODE
DECODE
V IA 2
ENCODE
AND
LEVEL
7
V OA
V IA 2
ENCODE
AND
LEVEL
7
V OA
SHIFT
DECODE
SHIFT
DECODE
V IB 3
ENCODE
AND
LEVEL
6
V OB
V IB 3
ENCODE
AND
LEVEL
6
V OB
SHIFT
SHIFT
GND 1 4
5
GND 2
GND 1 4
5
GND 2
Figure 1.
Figure 2.
1
Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,239.
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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ?2010–2012 Analog Devices, Inc. All rights reserved.
Trademarks and registered trademarks are the property of their respective owners.
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