ZHCSJ38C
December 2018 – August 2019
TPS3840
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用电路
TPS3840 典型电源电流
4
修订历史记录
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage (VDD)
8.3.1.1
VDD Hysteresis
8.3.1.2
VDD Transient Immunity
8.3.2
User-Programmable Reset Time Delay
8.3.3
Manual Reset (MR) Input
8.3.4
Output Logic
8.3.4.1
RESET Output, Active-Low
8.3.4.2
RESET Output, Active-High
8.4
Device Functional Modes
8.4.1
Normal Operation (VDD > VDD(min))
8.4.2
VDD Between VPOR and VDD(min)
8.4.3
Below Power-On-Reset (VDD < VPOR)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design 1: Dual Rail Monitoring with Power-Up Sequencing
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curves
9.2.2
Design 2: Battery Voltage and Temperature Monitor
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.3
Design 3: Fast Start Undervoltage Supervisor with Level-shifted Input
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.4
Design 4: Voltage Monitor with Back-up Battery Switchover
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.5
Application Curve: TPS3840EVM
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件命名规则
12.2
社区资源
12.3
商标
12.4
静电放电警告
12.5
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DBV|5
MPDS018T
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsj38c_oa
zhcsj38c_pm