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LQH3NPN470MM0 PDF预览

LQH3NPN470MM0

更新时间： 2024-02-14 03:30:33
品牌 Logo 应用领域
亚德诺 - ADI 稳压器开关
页数 文件大小 规格书
20页 713K
描述
Isolated Switching Regulator

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LQH3NPN470MM0 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete包装说明：CHIP, 1212
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8504.50.80.00风险等级：5.8
Samacsys Confidence：3Samacsys Status：Released
Samacsys PartID：245628Samacsys Pin Count：2
Samacsys Part Category：InductorSamacsys Package Category：Inductors Chip
Samacsys Footprint Name：1212 (3030)Samacsys Released Date：2016-06-03 07:11:48
Is Samacsys：N大小写代码：1212
构造：Magnetic Shielded型芯材料：FERRITE
直流电阻：1.5 Ω标称电感 (L)：47 µH
电感器应用：RF INDUCTOR电感器类型：GENERAL PURPOSE INDUCTOR
功能数量：1端子数量：2
最高工作温度：125 °C最低工作温度：-40 °C
封装高度：1.4 mm封装长度：3 mm
封装形式：SMT封装宽度：3 mm
包装方法：TR, Embossed, 7 Inch最大额定电流：0.41 A
自谐振频率：18 MHz形状/尺寸说明：RECTANGULAR PACKAGE
屏蔽：YES特殊特征：DCR IS MEASURED AT 20% TOLERANCE
表面贴装：YES端子位置：DUAL ENDED
端子形状：WRAPAROUND测试频率：1 MHz
容差：20%Base Number Matches：1

LQH3NPN470MM0 数据手册

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Isolated Switching Regulator  
With Integrated Feedback  
Data Sheet  
ADuM3070  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
V
V
ISO  
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  
X1  
X2  
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  
5V  
PRIMARY  
CONVERTER/  
DRIVER  
V
DDA  
SECONDARY  
CONTROLLER  
FB  
INTERNAL  
FEEDBACK  
OC  
GND  
GND  
2
1
2500 V rms isolation  
High common-mode transient immunity: >25 kV/µs  
16-lead QSOP package  
NOTES  
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 ADuM30701 isolator 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.  
1 Protected by U.S. Patents 5,952,849; 6,873,065; and 7075 329 B2. Other patents are 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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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  
Fax: 781.461.3113  
www.analog.com  
©2012 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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