2
LP5569
ZHCSGU2A –JULY 2017–REVISED SEPTEMBER 2017
www.ti.com.cn
Copyright © 2017, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用.......................................................................... 1
3 说说明明.......................................................................... 1
4 修修订订历历史史记记录录 ........................................................... 2
5 Device Comparison Table..................................... 3
6 Pin Configuration and Functions......................... 3
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information.................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Charge-Pump Electrical Characteristics ................... 6
7.7 LED Current Sinks Electrical Characteristics............ 7
7.8 Logic Interface Characteristics.................................. 7
7.9 Timing Requirements (EN/PWM).............................. 7
7.10 Serial-Bus Timing Requirements (SDA, SCL), See
图 1 ............................................................................ 8
7.11 External Clock Timing Requirements (CLK), See 图
2................................................................................ 8
7.12 Typical Characteristics............................................ 9
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 13
8.4 Device Functional Modes........................................ 21
8.5 Programming........................................................... 23
8.6 Register Maps......................................................... 38
9 Application and Implementation ........................ 78
9.1 Application Information............................................ 78
9.2 Typical Applications ................................................ 78
10 Power Supply Recommendations ..................... 82
11 Layout................................................................... 83
11.1 Layout Guidelines ................................................. 83
11.2 Layout Example .................................................... 84
12 器器件件和和文文档档支支持持 ..................................................... 85
12.1 器件支持 ............................................................... 85
12.2 接收文档更新通知 ................................................. 85
12.3 社区资源................................................................ 85
12.4 商标 ....................................................................... 85
12.5 静电放电警告......................................................... 85
12.6 Glossary................................................................ 85
13 机机械械、、封封装装和和可可订订购购信信息息....................................... 85
4 修修订订历历史史记记录录
Changes from Original (July 2017) to Revision A Page
• Added typical curves .............................................................................................................................................................. 9
评论0
最新资源