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TPS5403DR PDF预览

TPS5403DR

更新时间： 2024-09-16 12:00:35
品牌 Logo 应用领域
德州仪器 - TI 稳压器输出元件输入元件
页数 文件大小 规格书
18页 942K
描述
4.5-V TO 28-V INPUT VOLTAGE, 3.3-V FIXED OUTPUT, 1.7-A OUTPUT CURRENT, NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET

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TPS5403DR 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：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.69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：4.5 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G8JESD-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：125 °C最低工作温度：-40 °C
最大输出电流：3.1 A最大输出电压：3.3 V
最小输出电压：3.3 V标称输出电压：3.3 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：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

TPS5403DR 数据手册

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TPS5403  
www.ti.com  
SLVSBK5 –SEPTEMBER 2012  
4.5-V TO 28-V INPUT VOLTAGE, 3.3-V FIXED OUTPUT, 1.7-A OUTPUT CURRENT,  
NON-SYNCHRONOUS STEP-DOWN REGULATOR WITH INTEGRATED MOSFET  
Check for Samples: TPS5403  
1
FEATURES  
•
•
•
Fixed 3.3-V Output  
APPLICATIONS  
4.5-V to 28-V Wide Input Voltage Range  
•
5-V, 9-V, 12-V and 24-V Distributed Power  
Systems  
Up to 1.7-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  
•
•
Over 80% Efficiency at 10-mA Loading  
•
Industrial and Car Entertainment Power  
Supplies  
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  
Frequency Spread Spectrum and Switching  
Node Anti-Ringing to Ease EMI Issue  
•
•
External Soft Start  
Available in SOIC8 Package  
DESCRIPTION  
The TPS5403 is a monolithic non-synchronous buck regulator with wide operating input voltage range from 4.5 V  
to 28 V. Current mode control with internal slope compensation is implemented to reduce component count.  
TPS5403 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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TPS5403DR 替代型号

型号 品牌 替代类型 描述 数据表
NCP3170BDR2G ONSEMI

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