LDC5072-Q1
ZHCSJ59C –DECEMBER 2018 –REVISED JULY 2023
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Table of Contents
8.4 Device Functional Modes..........................................24
9 Application and Implementation..................................27
9.1 Application Information............................................. 27
9.2 Typical Applications.................................................. 27
10 Power Supply Recommendations..............................34
10.1 Mode 1: VCC = 5 V, VREG = 3.3 V.........................34
10.2 Mode 2: VCC = VREG = 3.3 V................................34
11 Layout...........................................................................35
11.1 Layout Guidelines................................................... 35
11.2 Layout Example...................................................... 35
12 Device and Documentation Support..........................36
12.1 Receiving Notification of Documentation Updates..36
12.2 支持资源..................................................................36
12.3 Trademarks.............................................................36
12.4 静电放电警告.......................................................... 36
12.5 术语表..................................................................... 36
13 Mechanical, Packaging, and Orderable
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 说明（续）.........................................................................5
6 Pin Configuration and Functions...................................5
7 Specifications.................................................................. 6
7.1 Absolute Maximum Ratings ....................................... 6
7.2 ESD Ratings .............................................................. 6
7.3 Recommended Operating Conditions ........................6
7.4 Thermal Information ...................................................6
7.5 Electrical Characteristics ............................................7
7.6 Diagnostics ...............................................................11
7.7 Switching Characteristics .........................................12
7.8 Typical Characteristics..............................................13
8 Detailed Description......................................................15
8.1 Overview...................................................................15
8.2 Functional Block Diagram.........................................16
8.3 Feature Description...................................................16
Information.................................................................... 36
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision B (August 2021) to Revision C (July 2023)
Page
• 将数据表状态可见性更改为公开发布..................................................................................................................1
Changes from Revision A (September 2020) to Revision B (August 2021)
Page
• 更新了整个文档中的表格、图和交叉参考的编号格式.........................................................................................1
• 更新了“说明”部分中的应用图以及图 9-1、图9-3、图9-4 和图9-5。........................................................... 1
• Separated output comparator short into positive and negative limits............................................................... 11
• The tPRWR_ON_DT in the “Switching Characteristics”is incorrectly specified. The values
“360/400/440”will be changed to “302/336/370”.....................................................................................12
• The AGC rate change is imprecisely specified in Automatic Gain Control: “1 code each second”was
updated to “one code approximately every 840mS”. Added eight codes every 3.2uS during start-up in the
fast AGC region................................................................................................................................................ 19
• Updated application diagram in 5-V Supply Mode and updated 表9-1 to include connection instructions for
the AGC_EN pin............................................................................................................................................... 27
• The resistor R2 in the example design in AGC Mode was updated to 1.5KΩ. ............................................... 28
• Changed 图9-3 ............................................................................................................................................... 30
Changes from December 7, 2018 to September 30, 2020 (from Revision * (December 2018) to
Revision A (September 2020))
Page
• 将器件最高环境工作温度更新为160°C..............................................................................................................1
• 更新了“功能安全能力”文本。.........................................................................................................................1
• Updated pin description for better clarity replacing inverted and non-inverted with negative and positive
respectively. .......................................................................................................................................................5
• Updated TA to 160℃in Absolute Maximum Ratings .........................................................................................6
• Updated TJ to 170℃in Absolute Maximum Ratings ......................................................................................... 6
• Added 4000V HBM ESD information to ESD Ratings........................................................................................ 6
Copyright © 2023 Texas Instruments Incorporated
English Data Sheet: SNOSD47
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