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TPS74401EVM-118 用户编程技术手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
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描述:
TEXAS INSTRUMENTS TPS74401EVM-118 评估模块, TPS74401EVM-118
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符号图
焊盘图
引脚图
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页面导航:
引脚图在P4Hot
典型应用电路图在P1P20P24P25
原理图在P13P14P24P25P26
封装尺寸在P31P33P34
标记信息在P31P32
封装信息在P30P31P32P33P34
技术参数、封装参数在P5
应用领域在P1P20P32P40
电气规格在P6P7
导航目录
TPS74401EVM-118数据手册
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TPS74401
SBVS066Q –DECEMBER 2005–REVISED APRIL 2015
www.ti.com
Table of Contents
7.5 Programming .......................................................... 16
1 Features.................................................................. 1
8 Application and Implementation ........................ 18
2 Applications ........................................................... 1
8.1 Application Information............................................ 18
3 Description............................................................. 1
8.2 Typical Applications ................................................ 20
4 Revision History..................................................... 2
9 Power Supply Recommendations...................... 25
5 Pin Configuration and Functions......................... 4
10 Layout................................................................... 26
6 Specifications......................................................... 5
10.1 Layout Guidelines ................................................. 26
6.1 Absolute Maximum Ratings...................................... 5
10.2 Layout Example .................................................... 26
6.2 ESD Ratings ............................................................ 5
10.3 Power Dissipation ................................................. 26
6.3 Recommended Operating Conditions....................... 5
10.4 Thermal Considerations........................................ 27
6.4 Thermal Information.................................................. 6
11 Device and Documentation Support................. 30
6.5 Electrical Characteristics........................................... 6
11.1 Device Support...................................................... 30
6.6 Timing Requirements................................................ 7
11.2 Documentation Support ....................................... 30
6.7 Typical Characteristics.............................................. 8
11.3 Trademarks........................................................... 30
7 Detailed Description............................................ 13
11.4 Electrostatic Discharge Caution............................ 30
7.1 Overview................................................................. 13
11.5 Glossary................................................................ 30
7.2 Functional Block Diagrams ..................................... 13
12 Mechanical, Packaging, and Orderable
7.3 Feature Description................................................. 14
Information........................................................... 30
7.4 Device Functional Modes........................................ 15
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision P (January 2015) to Revision Q Page
• Changed QFN to VQFN throughout document ...................................................................................................................... 1
• Changed TPS744xx to TPS74401 throughout document ..................................................................................................... 1
• Deleted fixed output Features bullet....................................................................................................................................... 1
• Changed V
BIAS
minimum value in Recommended Operating Conditions table...................................................................... 5
• Changed footnote 1 for Recommended Operating Conditions table...................................................................................... 5
• Added second row to V
OUT
accuracy parameter ................................................................................................................... 6
• Added last four rows to V
DO
, V
BIAS
dropout voltage parameter.............................................................................................. 6
• Added Timing Requirements table......................................................................................................................................... 7
• Added Device Functional Modes section ............................................................................................................................. 15
• Changed third paragraph of Dropout Voltage ...................................................................................................................... 19
• Changed first sentence of Without an Auxiliary Bias section............................................................................................... 25
• Changed Power Dissipation section location; moved to after Layout Example section....................................................... 26
• Added Development Support section................................................................................................................................... 30
• Added information about reference design TIDU421 and user guide SLVU143 to Related Documentation section ......... 30
Changes from Revision O (March 2013) to Revision P Page
• Deleted Active High Enable bullet from Features list ............................................................................................................ 1
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 5
• Changed footnote 3c for Thermal Information table .............................................................................................................. 6
• Changed y-axis in Figure 1, Figure 2, Figure 4, and Figure 7 from abbreviation (I
OUT
) to text (Output Current) .................. 8
• Added "V" to V
IN
= 1.8 V condition in Figure 9, Figure 10, and Figure 11 ............................................................................ 8
• y-axis and graph title in Figure 15 from abbreviation (I
OUT
) to text (Output Current) ............................................................ 9
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