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TPS5431DDA PDF预览

TPS5431DDA

更新时间： 2024-09-19 12:16:15
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管输入元件
页数 文件大小 规格书
32页 1162K
描述
3-A, WIDE INPUT RANGE, STEP-DOWN CONVERTER

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中文翻译

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TPS5431DDA 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：HLSOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.73模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：23 V最小输入电压：5.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.89 mm
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C最大输出电流：6 A
最大输出电压：20 V最小输出电压：1.23 V
封装主体材料：PLASTIC/EPOXY封装代码：HLSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.68 mm表面贴装：YES
切换器配置：BUCK最大切换频率：500 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
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

TPS5431DDA 数据手册

 浏览型号TPS5431DDA的Datasheet PDF文件第2页浏览型号TPS5431DDA的Datasheet PDF文件第3页浏览型号TPS5431DDA的Datasheet PDF文件第4页浏览型号TPS5431DDA的Datasheet PDF文件第5页浏览型号TPS5431DDA的Datasheet PDF文件第6页浏览型号TPS5431DDA的Datasheet PDF文件第7页 
TPS5430  
TPS5431  
www.ti.com  
SLVS632E –JANUARY 2006–REVISED SEPTEMBER 2013  
3-A, WIDE INPUT RANGE, STEP-DOWN CONVERTER  
Check for Samples: TPS5430 , TPS5431  
1
FEATURES  
DESCRIPTION  
The TPS5430/TPS5431 is  
2
•
Wide Input Voltage Range:  
a high-output-current  
–
–
TPS5430: 5.5 V to 36 V  
TPS5431: 5.5 V to 23 V  
PWM converter that integrates a low resistance high  
side N-channel MOSFET. Included on the substrate  
with the listed features are a high performance  
voltage error amplifier that provides tight voltage  
regulation accuracy under transient conditions; an  
undervoltage-lockout circuit to prevent start-up until  
the input voltage reaches 5.5 V; an internally set  
slow-start circuit to limit inrush currents; and a voltage  
feed-forward circuit to improve the transient  
response. Using the ENA pin, shutdown supply  
current is reduced to 18 μA typically. Other features  
include an active-high enable, overcurrent limiting,  
overvoltage protection and thermal shutdown. To  
reduce design complexity and external component  
count, the TPS5430/TPS5431 feedback loop is  
internally compensated. The TPS5431 is intended to  
operate from power rails up to 23 V. The TPS5430  
regulates a wide variety of power sources including  
24-V bus.  
•
•
•
•
•
•
•
•
•
Up to 3-A Continuous (4-A Peak) Output  
Current  
High Efficiency up to 95% Enabled by 110-mΩ  
Integrated MOSFET Switch  
Wide Output Voltage Range: Adjustable Down  
to 1.22 V with 1.5% Initial Accuracy  
Internal Compensation Minimizes External  
Parts Count  
Fixed 500 kHz Switching Frequency for Small  
Filter Size  
Improved Line Regulation and Transient  
Response by Input Voltage Feed Forward  
System Protected by Overcurrent Limiting,  
Overvoltage Protection and Thermal Shutdown  
–40°C to 125°C Operating Junction  
Temperature Range  
The TPS5430/TPS5431 device is available in a  
thermally enhanced, easy to use 8-pin SOIC  
PowerPAD™ package. TI provides evaluation  
modules and the Designer software tool to aid in  
quickly achieving high-performance power supply  
designs to meet aggressive equipment development  
cycles.  
Available in Small Thermally Enhanced 8-Pin  
SOIC PowerPAD™ Package  
APPLICATIONS  
•
•
•
•
Consumer: Set-top Box, DVD, LCD Displays  
Industrial and Car Audio Power Supplies  
Battery Chargers, High Power LED Supply  
12-V/24-V Distributed Power Systems  
Simplified Schematic  
Efficiency vs Output Current  
100  
VIN  
VOUT  
VIN  
PH  
95  
90  
85  
80  
TPS5430/31  
BOOT  
NC  
NC  
75  
70  
ENA VSENSE  
GND  
VI = 12 V  
65  
VO = 5 V  
60  
fs = 500 kHz  
TA = 25oC  
55  
50  
0
0.5  
1
1.5  
2
2.5  
3
3.5  
I
- Output Current - A  
O
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
PowerPAD is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006–2013, Texas Instruments Incorporated  
 
 
 
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TPS5431DDA 替代型号

型号 品牌 替代类型 描述 数据表
TPS5431DDARG4 TI

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 3-A, WIDE INPUT RANGE, STEP-DOWN CONVERTER
TPS5431DDAR TI

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 3-A, WIDE INPUT RANGE, STEP-DOWN CONVERTER
TPS5431DDAG4 TI

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 3-A, WIDE INPUT RANGE, STEP-DOWN CONVERTER

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