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TPS54373PWP PDF预览

TPS54373PWP

更新时间： 2024-09-18 22:49:39
品牌 Logo 应用领域
德州仪器 - TI 输出元件输入元件
页数 文件大小 规格书
16页 259K
描述
3-V TO 6-V INPUT,3-A OUTPUT SYNCHRONOUS BUCK SWITCHER WITH DISABLED SINKING DURING START-UP

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TPS54373PWP 数据手册

 浏览型号TPS54373PWP的Datasheet PDF文件第2页浏览型号TPS54373PWP的Datasheet PDF文件第3页浏览型号TPS54373PWP的Datasheet PDF文件第4页浏览型号TPS54373PWP的Datasheet PDF文件第5页浏览型号TPS54373PWP的Datasheet PDF文件第6页浏览型号TPS54373PWP的Datasheet PDF文件第7页 
Typical Size  
6,4 mm X 6,6 mm  
www.ti.com  
ꢀꢁ ꢂ ꢃꢄ ꢅꢆ ꢅ  
SLVS455A − JANUARY 2003 − REVISED JUNE 2003  
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FEATURES  
DESCRIPTION  
D
60-mΩ MOSFET Switches for High Efficiency  
at 3-A Continuous Output Source or Sink  
Current  
As a member of the SWIFTfamily of dc/dc regulators,  
the TPS54373 low-input voltage high-output current  
synchronous buck PWM converter integrates all  
required active components. Included on the substrate  
with the listed features are a true, high performance,  
voltage error amplifier that enables maximum  
performance and flexibility in choosing the output filter  
L and C components; an under-voltage-lockout circuit  
to prevent start-up until the input voltage reaches 3 V;  
an internally or externally set slow-start circuit to limit  
in-rush currents; and a power good output useful for  
processor/logic reset, fault signaling, and supply  
sequencing.  
D
D
D
Disabled Current Sinking During Start-Up  
Adjustable Output Voltage Down to 0.9 V  
With 1.0% Accuracy  
Wide PWM Frequency:  
Fixed 350 kHz, 550 kHz or  
Adjustable 280 kHz to 700 kHz  
D
D
D
Synchronizable to 700 kHz  
Load Protected by Peak Current Limit and  
Thermal Shutdown  
Integrated Solution Reduces Board Area and  
Component Count  
For reliable power up in output precharge applications,  
the TPS54373 is designed to only source current during  
start-up.  
APPLICATIONS  
D
D
Low-Voltage, High-Density Distributed Power  
Systems  
The TPS54373 is available in a thermally enhanced  
20-pin TSSOP (PWP) PowerPADpackage, which  
eliminates bulky heatsinks. TI provides evaluation  
modules and the SWIFTdesigner software tool to aid  
in quickly achieving high-performance power supply  
designs to meet aggressive equipment development  
cycles.  
Point of Load Regulation for High  
Performance DSPs, FPGAs, ASICs and  
Microprocessors  
D
D
Broadband, Networking and Optical  
Communications Infrastructure  
Power PC Series Processors  
START UP WAVEFORM  
TYPICAL APPLICATION  
*
*
R
L
= 1 Ω  
I/O Supply  
Core Supply  
VIN  
PH  
TPS54373  
BOOT  
V
= 3.3 V  
I
PGND  
VSENSE  
VBIAS  
AGND COMP  
V
= 1.8 V  
O
5.0 ms/div  
* Optional  
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.  
PowerPAD and SWIFT are trademarks of Texas Instruments.  
ꢁꢓ ꢉ ꢘꢍ ꢑ ꢀꢋ ꢉꢌ ꢘ ꢏꢀꢏ ꢛꢜ ꢝꢞ ꢟ ꢠꢡ ꢢꢛꢞꢜ ꢛꢣ ꢤꢥ ꢟ ꢟ ꢦꢜꢢ ꢡꢣ ꢞꢝ ꢧꢥꢨ ꢩꢛꢤ ꢡꢢꢛ ꢞꢜ ꢪꢡ ꢢꢦꢫ ꢁꢟ ꢞꢪꢥ ꢤꢢꢣ  
ꢤ ꢞꢜ ꢝꢞꢟ ꢠ ꢢꢞ ꢣ ꢧꢦ ꢤ ꢛ ꢝꢛ ꢤ ꢡ ꢢꢛ ꢞꢜꢣ ꢧ ꢦꢟ ꢢꢬꢦ ꢢꢦ ꢟ ꢠꢣ ꢞꢝ ꢀꢦꢭ ꢡꢣ ꢋꢜꢣ ꢢꢟ ꢥꢠ ꢦꢜꢢ ꢣ ꢣꢢ ꢡꢜꢪ ꢡꢟ ꢪ ꢮ ꢡꢟ ꢟ ꢡ ꢜꢢꢯꢫ  
ꢁꢟ ꢞ ꢪꢥꢤ ꢢ ꢛꢞ ꢜ ꢧꢟ ꢞ ꢤ ꢦ ꢣ ꢣ ꢛꢜ ꢰ ꢪꢞ ꢦ ꢣ ꢜꢞꢢ ꢜꢦ ꢤꢦ ꢣꢣ ꢡꢟ ꢛꢩ ꢯ ꢛꢜꢤ ꢩꢥꢪ ꢦ ꢢꢦ ꢣꢢꢛ ꢜꢰ ꢞꢝ ꢡꢩ ꢩ ꢧꢡ ꢟ ꢡꢠ ꢦꢢꢦ ꢟ ꢣꢫ  
Copyright 2003, Texas Instruments Incorporated  
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中文翻译

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TPS54373PWP 替代型号

型号 品牌 替代类型 描述 数据表
TPS54373PWPRG4 TI

类似代替

 3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS BUCK SWITCHER
TPS54373PWPR TI

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 3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS BUCK SWITCHER
TPS54373PWPG4 TI

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 3-V TO 6-V INPUT, 3-A OUTPUT SYNCHRONOUS BUCK SWITCHER

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 		3-V TO 6-V INPUT 3-A OUTPUT TRACKING SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETS FO

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