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NCP3171ADR2G

更新时间： 2024-11-26 20:03:35
品牌 Logo 应用领域
安森美 - ONSEMI 开关光电二极管
页数 文件大小 规格书
26页 688K
描述
SWITCHING REGULATOR

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中文翻译

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NCP3171ADR2G 技术参数

是否Rohs认证： 符合生命周期：Active
包装说明：HSOP, SOP8,.25Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.76模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：18 V最小输入电压：4.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：9.9 mm
湿度敏感等级：3功能数量：1
端子数量：8最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：6 A
标称输出电压：3.3 V封装主体材料：PLASTIC/EPOXY
封装代码：HSOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：BUCK最大切换频率：550 kHz
温度等级：INDUSTRIAL端子面层：Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

NCP3171ADR2G 数据手册

 浏览型号NCP3171ADR2G的Datasheet PDF文件第2页浏览型号NCP3171ADR2G的Datasheet PDF文件第3页浏览型号NCP3171ADR2G的Datasheet PDF文件第4页浏览型号NCP3171ADR2G的Datasheet PDF文件第5页浏览型号NCP3171ADR2G的Datasheet PDF文件第6页浏览型号NCP3171ADR2G的Datasheet PDF文件第7页 
NCP3171  
Product Preview  
Synchronous PWM  
Switching Converter  
The NCP3171 is a flexible synchronous PWM Switching Buck  
Regulator. The NCP3171 operates from 4.5 V to 18 V, sourcing up to  
3 A and is capable of producing output voltages as low as 0.8 V. The  
NCP3171 also incorporates current mode control. To reduce the  
number of external components, a number of features are internally set  
including soft start, power good detection, and switching frequency.  
The NCP3171 is currently available in an SOIC−8 package.  
http://onsemi.com  
SOIC−8 NB EP  
CASE TBD  
Features  
• 4.5 V to 18 V Operating Input Voltage Range  
• 90 mW High-Side, 25 mW Low-Side Switch  
• FMEA Fault Tolerant During Pin Short Test  
• 3 A Continuous Output Current  
• Fixed 500 kHz and 1 MHz PWM Operation  
• Cycle-by-Cycle Current Monitoring  
• 1.5% Initial Output Accuracy  
• Internal 4.6 ms Soft-Start  
MARKING DIAGRAM  
8
3171x  
ALYW  
G
1
3171x = Specific Device Code  
• Short-Circuit Protection  
x
A
L
Y
W
G
= A or B  
= Assembly Location  
= Wafer Lot  
= Year  
= Work Week  
= Pb-Free Package  
• Turn on Into Pre-bias  
• Power Good Indication  
• Light Load Efficiency  
• Thermal Shutdown  
• These are Pb-Free Devices  
Typical Applications  
PIN CONNECTIONS  
• Set Top Boxes  
V
PGND  
SW  
• DVD/Blu−rayt Drives and HDD  
• LCD Monitors and TVs  
• Cable Modems  
V
IN  
PG  
AGND  
FB  
EN  
COMP  
• PCIe Graphics Cards  
(Top View)  
• Telecom/Networking/Datacom Equipment  
• Point of Load DC/DC Converters  
ORDERING INFORMATION  
V
IN  
†
Device  
Package  
Shipping  
C1  
22 mF  
VIN  
NCP3171ADR2G  
SOIC−8  
(Pb−Free)  
2,500/Tape & Reel  
L1 4.7 mH  
VSW  
EN  
3.3 V  
NCP3171BDR2G  
SOIC−8  
(Pb−Free)  
2,500/Tape & Reel  
NCP3171  
R1  
R2  
PG  
C2, C3  
22 mF  
COMP  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specifications  
Brochure, BRD8011/D.  
FB1  
C
C
AGND  
PGND  
R
C
Figure 1. Typical Application Circuit  
This document contains information on a product under development. ON Semiconductor  
reserves the right to change or discontinue this product without notice.  
© Semiconductor Components Industries, LLC, 2013  
1
Publication Order Number:  
December, 2013 − Rev. P1  
NCP3171/D  
 
1234567...26

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