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TPS54319RTER PDF预览

TPS54319RTER

更新时间： 2024-11-08 05:52:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
32页 955K
描述
2.95-V to 6-V Input, 3-A Output, 2-MHz, Synchronous Step-Down Switcher With Integrated FETs ( SWIFT™)

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中文翻译

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TPS54319RTER 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：QFN
包装说明：HVQCCN, LCC16,.12SQ,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.81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：6 V最小输入电压：2.95 V
标称输入电压：5 VJESD-30 代码：S-PQCC-N16
JESD-609代码：e4长度：3 mm
湿度敏感等级：2功能数量：1
端子数量：16最高工作温度：150 °C
最低工作温度：-40 °C最大输出电流：3 A
最大输出电压：4.5 V最小输出电压：0.8 V
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.12SQ,20封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 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：2000 kHz
温度等级：AUTOMOTIVE端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：3 mmBase Number Matches：1

TPS54319RTER 数据手册

 浏览型号TPS54319RTER的Datasheet PDF文件第2页浏览型号TPS54319RTER的Datasheet PDF文件第3页浏览型号TPS54319RTER的Datasheet PDF文件第4页浏览型号TPS54319RTER的Datasheet PDF文件第5页浏览型号TPS54319RTER的Datasheet PDF文件第6页浏览型号TPS54319RTER的Datasheet PDF文件第7页 
TPS54319  
www.ti.com  
SLVSA83 –JUNE 2010  
2.95-V to 6-V Input, 3-A Output, 2-MHz, Synchronous Step-Down  
Switcher With Integrated FETs ( SWIFT™)  
Check for Samples: TPS54319  
1
FEATURES  
DESCRIPTION  
2
•
Two 45-mΩ (typical) MOSFETs for High  
The TPS54319 device is a full featured 6 V, 3 A,  
synchronous step down current mode converter with  
two integrated MOSFETs.  
Efficiency at 3-A Loads  
•
•
300kHz to 2MHz Switching Frequency  
0.8 V ± 3.0% Voltage Reference Over  
Temperature (0°C to 85°C)  
The TPS54319 enables small designs by integrating  
the MOSFETs, implementing current mode control to  
reduce external component count, reducing inductor  
size by enabling up to 2 MHz switching frequency,  
and minimizing the IC footprint with a small 3mm x  
3mm thermally enhanced QFN package.  
•
•
•
•
Synchronizes to External Clock  
Adjustable Slow Start/Sequencing  
UV and OV Power Good Output  
–40°C to 150°C Operating Junction  
Temperature Range  
The TPS54319 provides accurate regulation for a  
variety of loads with an accurate ±3.0% Voltage  
Reference (VREF) over temperature.  
•
•
Thermally Enhanced 3mm × 3mm 16-pin QFN  
Pin Compatible to TPS54318  
Efficiency is maximized through the integrated 45mΩ  
MOSFETs and 360mA typical supply current. Using  
the enable pin, shutdown supply current is reduced to  
2 µA by entering a shutdown mode.  
APPLICATIONS  
•
Low-Voltage, High-Density Power Systems  
•
Point-of-Load Regulation for Consumer  
Applications such as Set Top Boxes, LCD  
Displays, CPE Equipment  
Under voltage lockout is internally set at 2.6 V, but  
can be increased by programming the threshold with  
a resistor network on the enable pin. The output  
voltage startup ramp is controlled by the slow start  
pin. An open drain power good signal indicates the  
output is within 93% to 107% of its nominal voltage.  
SIMPLIFIED SCHEMATIC  
vertical spacer  
Frequency fold back and thermal shutdown protects  
the device during an over-current condition.  
vertical spacer  
VIN  
C
The TPS54319 is supported in the SwitcherPro™  
Software Tool at www.ti.com/switcherpro.  
For more SWIFTTM documentation, see the TI  
website at www.ti.com/swift.  
BOOT  
VIN  
BOOT  
TPS54319  
C
I
L
O
VOUT  
EN  
PH  
C
O
R
1
2
100  
PWRGD  
3.3 Vin,1.8 Vout  
90  
VSENSE  
R
SS/TR  
RT /CLK  
COMP  
80  
5 Vin, 1.8 Vout  
70  
60  
50  
40  
30  
20  
GND  
AGND  
C
POWERPAD  
ss  
R
R
T
3
C
1
10  
0
0
0.5  
1
1.5  
2
2.5  
3
Output Current - A  
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
SWIFT, SwitcherPro are trademarks 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 © 2010, Texas Instruments Incorporated  
1234567...32

中文翻译

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TPS54319RTER 替代型号

型号 品牌 替代类型 描述 数据表
TPS54388QRTERQ1 TI

类似代替

 2.95-V to 6-V Input, 3-A Output, 2-MHz, Synchronous Step-Down Switcher With Integrated FET
TPS54319RTET TI

类似代替

 2.95-V to 6-V Input, 3-A Output, 2-MHz, Synch

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