Datasheet > ADUM3070ARQZ-RL7

ADUM3070ARQZ-RL7

更新时间： 2024-01-06 01:16:30

品牌	Logo	应用领域
亚德诺 - ADI		开关光电二极管
页数	文件大小	规格书
21页	807K
描述
Isolated Switch Regulator With Integrated Feedback

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中文翻译

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技术参数
数据手册
替代型号

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ADUM3070ARQZ-RL7 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	SSOP,
针数：	16	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	1.72	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
控制技术：	PULSE WIDTH MODULATION	最大输入电压：	5.5 V
最小输入电压：	4.5 V	标称输入电压：	5 V
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e3
长度：	4.9 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	16
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	座面最大高度：	1.75 mm
表面贴装：	YES	最大切换频率：	1000 kHz
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.64 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	3.91 mm	Base Number Matches：	1

ADUM3070ARQZ-RL7 数据手册

Isolated Switching Regulator

With Integrated Feedback

Data Sheet

ADuM3070

FEATURES

FUNCTIONAL BLOCK DIAGRAM

V_ISO

V_DD1

Isolated PWM feedback with built in compensation

Primary side transformer driver for up to 2.5 W output power

with 5 V input voltage

RECT

V_REG

ADuM3070

Regulated adjustable output: 3.3 V to 24 V

Up to 80% efficiency

200 kHz to 1 MHz adjustable oscillator

Soft start function at power-up

Pulse-by-pulse overcurrent protection

Thermal shutdown

V_DD2

REG

PRIMARY

CONVERTER/

DRIVER

V_DDA

SECONDARY

CONTROLLER

INTERNAL

FEEDBACK

GND₁

GND₂

2500 V rms isolation

NOTES

High common-mode transient immunity: >25 kV/µs

16-lead QSOP package

1. V

2. V

IS THE POWER SUPPLY FOR THE PUSH-PULL TRANSFORMER.

IS THE POWER SUPPLY OF SIDE 1 OF THE ADuM3070.

DD1

DDA

Figure 1.

High temperature operation: 105°C

APPLICATIONS

Power supply startup bias and gate drives

Isolated sensor interfaces

Process controls

GENERAL DESCRIPTION

The ADuM3070¹isolator is a regulated dc-to-dc isolated power

supply controller with an internal MOSFET driver. The dc-to-

dc controller has an internal isolated PWM feedback from the

secondary side based on the iCoupler® chip scale transformer

technology and complete loop compensation. This eliminates

the need to use an optocoupler for feedback and compensates

the loop for stability.

The ADuM3070 isolator provides a more stable output voltage and

higher efficiency compared to unregulated isolated dc-to-dc power

supplies. The fully integrated feedback and loop compensation

in a small QSOP package provides a smaller form factor than any

discrete solution. The regulated feedback provides a relatively flat

efficiency curve over the full output power range. The ADuM3070

enables a dc-to-dc converter with a 3.3 V to 24 V isolated output

voltage range from either a 5.0 V or a 3.3 V input voltage, with

an output power of up to 2.5 W.

¹Protected by U.S. Patents 5,952,849; 6,873,065; and 7075 329 B2. Other patents are pending.

Rev. A

Document Feedback

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.

Technical Support

www.analog.com

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中文翻译

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ADUM3070ARQZ-RL7 替代型号

型号	品牌	替代类型	描述	数据表
ADUM3070ARQZ	ADI	完全替代	Isolated Switching Regulator

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