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TPS54328DDA PDF预览

TPS54328DDA

更新时间： 2024-11-21 08:38:59
品牌 Logo 应用领域
德州仪器 - TI 转换器
页数 文件大小 规格书
21页 666K
描述
4.5V to 18V Input, 3-A Synchronous Step-Down SWIFT? Converter with Eco-Mode?

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TPS54328DDA 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, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.04Samacsys Description：4.5V to 18V Input, 3-A Synchronous Step-Down Converter with Eco-mode?
其他特性：ALSO OPERATES IN ADJUSTABLE MODE FROM 0.76 TO 7V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：18 V最小输入电压：4.5 V
标称输入电压：6 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：2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：3 A
最大输出电压：7 V最小输出电压：0.76 V
标称输出电压：5.5 V封装主体材料：PLASTIC/EPOXY
封装代码：HLSOP封装等效代码：SOP8,.25
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：1.7 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：700 kHz温度等级：INDUSTRIAL
端子面层：Matte 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 mm

TPS54328DDA 数据手册

 浏览型号TPS54328DDA的Datasheet PDF文件第2页浏览型号TPS54328DDA的Datasheet PDF文件第3页浏览型号TPS54328DDA的Datasheet PDF文件第4页浏览型号TPS54328DDA的Datasheet PDF文件第5页浏览型号TPS54328DDA的Datasheet PDF文件第6页浏览型号TPS54328DDA的Datasheet PDF文件第7页 
TPS54328  
www.ti.com  
SLVSAN2 –NOVEMBER 2010  
4.5V to 18V Input, 3-A Synchronous Step-Down SWIFT™ Converter with Eco-Mode™  
Check for Samples: TPS54328  
1
FEATURES  
DESCRIPTION  
23  
•
D-CAP2™ Mode Enables Fast Transient  
Response  
The TPS54328 is an adaptive on-time D-CAP2™  
mode synchronous buck converter. The TPS54328  
enables system designers to complete the suite of  
various end-equipment power bus regulators with a  
cost effective, low component count, low standby  
current solution. The main control loop for the  
TPS54328 uses the D-CAP2™ mode control that  
provides a fast transient response with no external  
compensation components. The adaptive on-time  
control supports seamless transition between PWM  
mode at higher load conditions and Eco-mode™  
operation at light loads. Eco-mode™ allows the  
TPS54328 to maintain high efficiency during lighter  
load conditions. The TPS54328 also has a proprietary  
circuit that enables the device to adopt to both low  
equivalent series resistance (ESR) output capacitors,  
such as POSCAP or SP-CAP, and ultra-low ESR  
ceramic capacitors. The device operates from 4.5-V  
to 18-V VIN input. The output voltage can be  
programmed between 0.76 V and 7.0 V. The device  
also features an adjustable soft start time. The  
TPS54328 is available in the 8-pin DDA package,  
and designed to operate from –40°C to 85°C.  
•
Low Output Ripple and Allows Ceramic Output  
Capacitor  
•
•
•
Wide VIN Input Voltage Range: 4.5 V to 18 V  
Output Voltage Range: 0.76 V to 7.0 V  
Highly Efficient Integrated FETs Optimized  
for Lower Duty Cycle Applications  
– 100 mΩ (High Side) and 70 mΩ (Low Side)  
•
•
•
•
•
•
•
High Efficiency, less than 10 mA at shutdown  
High Initial Bandgap Reference Accuracy  
Adjustable Soft Start  
Pre-Biased Soft Start  
700-kHz Switching Frequency (fSW  
)
Cycle By Cycle Over Current Limit  
Auto-Skip Eco-mode™ for High Efficiency at  
Light Load  
APPLICATIONS  
•
Wide Range of Applications for Low Voltage  
System  
–
–
–
–
Digital TV Power Supply  
High Definition Blu-ray Disc™ Players  
Networking Home Terminal  
Digital Set Top Box (STB)  
VO = 50 mV / div (-950 mV dc offset)  
IO = 1 A / div (0.75 to 2.25 A load step,  
slew rate = 1 A / µsec)  
Time = 50 µsec / div  
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
3
D-CAP2, Eco-mode are trademarks of Texas Instruments.  
Blu-ray Disc is a trademark of Blu-ray Disc Association.  
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 © 2010, Texas Instruments Incorporated  
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TPS54328DDA 替代型号

型号 品牌 替代类型 描述 数据表
TPS54328DDAR TI

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