ZHCSJW0D
June 2019 – March 2020
TPS62840
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
典型应用
效率与负载电流间的关系 (VOUT = 1.8V)
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
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Smart Enable and Shutdown
8.3.2
Soft Start
8.3.3
Mode Selection: Power-Save Mode (PFM/PWM) or Forced PWM Operation (FPWM)
8.3.4
Output Voltage Selection (VSET)
8.3.5
Undervoltage Lockout UVLO
8.3.6
Switch Current Limit / Short Circuit Protection
8.3.7
Output Voltage Discharge
8.3.8
Thermal Shutdown
8.3.9
STOP Mode
8.4
Device Functional Modes
8.4.1
Power-Save Mode Operation
8.4.2
Forced PWM Mode Operation
8.4.3
100% Mode Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Output Capacitor Selection
9.2.2.3
Input Capacitor Selection
9.2.3
Application Curves
9.3
System Example
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
第三方产品免责声明
12.2
保障资源
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
2
应用
智能仪表、智能恒温器
资产跟踪设备
可穿戴电子产品
医疗传感器贴片和患者监护仪
工业物联网(智能传感器)/窄带物联网
测试和测量
ATEX/本质安全