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TPS5405DR PDF预览

TPS5405DR

更新时间： 2024-11-20 02:58:47
品牌 Logo 应用领域
德州仪器 - TI 输入元件开关光电二极管输出元件
页数 文件大小 规格书
18页 719K
描述
6.5-V TO 28-V INPUT VOLTAGE, 5-V FIXED OUTPUT, 2-A OUTPUT CURRENT, NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET

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TPS5405DR 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SOP, SOP8,.25
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：1.7
其他特性：ALSO OPERATES IN PFM CONTROL TECHNIQUE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：28 V最小输入电压：6.5 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G8
JESD-609代码：e4长度：4.9 mm
湿度敏感等级：1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：2 A
最大输出电压：5.15 V最小输出电压：4.85 V
标称输出电压：5 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.75 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：1100 kHz温度等级：INDUSTRIAL
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 mm
Base Number Matches：1

TPS5405DR 数据手册

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TPS5405  
www.ti.com  
SLVSBF7A –MAY 2012–REVISED JUNE 2012  
6.5-V TO 28-V INPUT VOLTAGE, 5-V FIXED OUTPUT, 2-A OUTPUT CURRENT,  
NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET  
Check for Samples: TPS5405  
1
FEATURES  
•
•
•
Fixed 5-V Output  
APPLICATIONS  
6.5-V to 28-V Wide Input Voltage Range  
•
•
9-V, 12-V and 24-V Distributed Power Systems  
Up to 2-A Maximum Continuous Output  
Loading Current  
Consumer Applications Such as Home  
Appliances, Set-Top Boxes, CPE Equipment,  
LCD Displays, Peripherals, and Battery  
Chargers  
•
Pulse Skipping Mode to Achieve High Light  
Load Efficiency  
•
Industrial and Car Entertainment Power  
Supplies  
•
•
Over 80% Efficiency at 10-mA Loading  
Adjustable 50-kHz to 1.1-MHz Switching  
Frequency Set by an External Resistor  
(Leave pin ROSC floating. Set frequency to  
120 kHz and ground connection to 70 kHz)  
•
•
•
Peak Current-Mode Control  
Cycle-by-Cycle Over Current Protection  
Switching Node Anti-Ringing to Ease EMI  
Issue  
•
•
External Soft Start  
Available in SOIC8 Package  
DESCRIPTION  
The TPS5405 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 6.5 V  
to 28 V. Current mode control with internal slope compensation is implemented to reduce component count.  
TPS5405 also features a light load pulse skipping mode, which allows for a power loss reduction from the input  
power supply to the system at light loading.  
The switching frequency of the converters can be set from 50 kHz to 1.1 MHz with an external resistor.  
Frequency spread spectrum operation is introduced for EMI reduction.  
LX anti-ringing is added to address high frequency EMI issues.  
A cycle-by-cycle current limit with frequency fold back protects the IC at over loading condition.  
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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2012, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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