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TPS54073PWPRG4 PDF预览

TPS54073PWPRG4

更新时间： 2024-11-23 15:54:59
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
24页 669K
描述
3V to 4V Input, 14A Synchronous Step-Down SWIFT™ Converter for Pre-biased Outputs  28-HTSSOP -40 to 85

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TPS54073PWPRG4 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：HTSSOP, TSSOP28,.25针数：28
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.73
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：4 V
最小输入电压：3 V标称输入电压：3.3 V
JESD-30 代码：R-PDSO-G28长度：9.7 mm
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：25 A封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP28,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.2 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：762 kHz温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

TPS54073PWPRG4 数据手册

 浏览型号TPS54073PWPRG4的Datasheet PDF文件第2页浏览型号TPS54073PWPRG4的Datasheet PDF文件第3页浏览型号TPS54073PWPRG4的Datasheet PDF文件第4页浏览型号TPS54073PWPRG4的Datasheet PDF文件第5页浏览型号TPS54073PWPRG4的Datasheet PDF文件第6页浏览型号TPS54073PWPRG4的Datasheet PDF文件第7页 
Typical Size  
6,4 mm X 9,7 mm  
TPS54073  
www.ti.com ............................................................................................................................................................................................ SLVS547–FEBRUARY 2005  
2.2 – 4 -V, 14-A SYNCHRONOUS BUCK CONVERTER  
WITH DISABLED SINKING DURING START-UP  
1
FEATURES  
DESCRIPTION  
2
•
8-mΩ MOSFET Switches for High Efficiency at  
14.5-A Peak Output Current  
As  
a member of the SWIFT™family of dc/dc  
regulators, the TPS54073 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  
undervoltage-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  
•
•
•
•
Separate Low-Voltage Power Bus  
Disabled Current Sinking During Start-Up  
Adjustable Output Voltage Down to 0.9 V  
Wide PWM Frequency: Fixed 350 kHz, 550 kHz  
or Adjustable 280 kHz to 700 kHz  
•
•
Synchronizable to 700 kHz  
Load Protected by Peak Current Limit and  
Thermal Shutdown  
currents; and  
processor/logic reset, fault signaling, and supply  
sequencing.  
a power good output useful for  
•
Integrated Solution Reduces Board Area and  
Total Cost  
APPLICATIONS  
For reliable power up in output precharge  
applications, the TPS54073 is designed to only  
source current during start-up.  
•
Low-Voltage, High-Density Distributed Power  
Systems  
•
Point of Load Regulation for High-  
Performance DSPs, FPGAs, ASICs, and  
Microprocessors  
Broadband, Networking, and Optical  
Communications Infrastructure  
The TPS54073 is available in a thermally enhanced  
28-pin TSSOP (PWP) PowerPAD™ package, which  
eliminates bulky heatsinks. TI provides evaluation  
modules and the SWIFT™ designer software tool to  
aid in quickly achieving high-performance power  
supply designs to meet aggressive equipment  
development cycles  
•
•
Power PC Series Processors  
START-UP WAVEFORM  
TYPICAL APPLICATION  
WITH 3 PRECHARGE DIODES  
*
*
*
R
= 1.5 W  
L
Voltage  
Input 1  
Output  
V
= 3.3 V  
I/O  
PVIN  
TPS54073  
PH  
BOOT  
PGND  
Voltage  
Input 2  
VIN  
VSENSE  
VBIAS  
AGND COMP  
V
= 1.5 V  
(core)  
t - Time - 5 ms/div  
* Optional  
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, PowerPAD 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 © 2005, Texas Instruments Incorporated  
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TPS54073PWPRG4 替代型号

型号 品牌 替代类型 描述 数据表
TPS54073PWP TI

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 2.2 ?4 -V, 14-A SYNCHRONOUS BUCK CONVERTER WITH DISABLED SINKING DURING START-UP

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