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ADUM3220ARZ

更新时间： 2024-11-18 06:36:27

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描述
4 A Dual-Channel Gate Driver

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4 A Dual-Channel Gate Driver

ADuM3220

FEATURES

GENERAL DESCRIPTION

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

The ADuM3220¹is a 4 A isolated, dual-channel gate driver

based on the Analog Devices, Inc., iCoupler® technology.

Combining high speed CMOS and monolithic transformer

technology, this isolation component provides outstanding

performance characteristics superior to the alternatives, such

as the combination of pulse transformers and gate drivers.

4.5 V to 18 V output drive

The ADuM3220 isolator provides two independent isolation

channels. It has a maximum propagation delay of 60 ns and 5 ns

channel-to-channel matching. In comparison to gate drivers

employing high voltage level translation methodologies, the

ADuM3220 offers 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 and a default output low characteristic as

required for gate drive applications. It operates with an input

supply voltage ranging from 3.0 V to 5.5 V, providing compat-

ibility with lower voltage systems. The outputs may be operated

at supply voltages from 5 V to 18 V, which supports typical gate

drive voltages for synchronous dc/dc converters.

UVLO at 2.5 V V_DD1and 4.1 V V_DD2

Thermal shutdown protection at >150°C

Output shoot-through logic protection

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 1577 2500 V rms input-to-output withstand voltage

(pending)

Small footprint and low profile

Narrow body, RoHS-compliant, 8-lead SOIC

5 mm × 6 mm × 1.6 mm

The ADuM3220 isolator contains various circuit and layout

enhancements to provide increased capability relative to

system-level IEC 61000-4-x testing (ESD, burst, and surge).

The precise capability in these tests is strongly determined by

the design and layout of the user’s board or module. For more

information, see the AN-793 Application Note, ESD/Latch-Up

Considerations with iCoupler Isolation Products.

APPLICATIONS

Isolated synchronous dc/dc converters

MOSFET/IGBT gate drivers

The ADuM3220 specifies the junction temperature from −40°C

to 125°C.

FUNCTIONAL BLOCK DIAGRAM

ADuM3220

DD1

DD2

DECODE

AND

LEVEL

SHIFT

ENCODE

DECODE

AND

LEVEL

SHIFT

ENCODE

GND

Figure 1.

¹Protected by U.S. Patents 5,952,849; 6,873,065; 7,075,239. Other patents pending.

Rev. 0

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 registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与ADUM3220ARZ相关器件

型号	品牌	获取价格	描述	数据表
ADUM3220ARZ-RL7	ADI	获取价格	4 A Dual-Channel Gate Driver
ADUM3220BRZ	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3220BRZ-RL7	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3220WARZ	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3220WARZ-RL7	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3220WBRZ	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3220WBRZ-RL7	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3221	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3221ARZ	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver
ADuM3221ARZ-RL7	ADI	获取价格	Isolated, 4 A Dual-Channel Gate Driver

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