ZHCSG27
February 2017
TPS3852-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
RESET
7.3.2
Manual Reset (MR)
7.3.3
Undervoltage Fault Detection
7.3.4
Watchdog Mode
7.3.4.1
SET1
7.3.4.2
Window Watchdog Timer
7.3.4.3
Watchdog Input (WDI)
7.3.4.4
CWD
7.3.4.5
Watchdog Output (WDO)
7.4
Device Functional Modes
7.4.1
VDD is Below VPOR (VDD < VPOR)
7.4.2
Above Power-On-Reset, But Less Than VDD(min) (VPOR ≤ VDD < VDD(min))
7.4.3
Normal Operation (VDD ≥ VDD(min))
8
Application and Implementation
8.1
Application Information
8.1.1
CWD Functionality
8.1.1.1
Factory-Programmed Timing Options
8.1.1.2
Adjustable Capacitor Timing
8.1.2
Overdrive Voltage
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Monitoring the 3.3-V Rail
8.2.2.2
Calculating RESET and the WDO Pullup Resistor
8.2.2.3
Setting the Window Watchdog
8.2.2.4
Watchdog Disabled During Initialization Period
8.2.3
Glitch Immunity
8.2.4
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
开发支持
11.1.1.1
评估模块
11.1.2
器件命名规则
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DRB|8
MPDS118K
散热焊盘机械数据 (封装 | 引脚)
DRB|8
QFND695C
订购信息
zhcsg27_oa
4
修订历史记录
日期
修订版本
注释
2017 年2 月
*
最初发布。