ZHCSS74B
january 2015 – june 2023
LV2862
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Revision History
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Continuous Conduction Mode
7.3.2
Fixed Frequency PWM Control
7.3.3
Eco-mode
7.3.4
Bootstrap Voltage (CB)
7.3.5
Enable (SHDN) and VIN Undervoltage Lockout (UVLO)
7.3.6
Setting the Output Voltage
7.3.7
Current Limit
7.3.8
Thermal Shutdown
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.1.1
Design Guide – Step By Step Design Procedure
8.2.2
Detailed Design Procedure
8.2.2.1
Selecting the Switching Frequency
8.2.2.2
Output Inductor Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
Schottky Diode Selection
8.2.2.5
Input Capacitor Selection
8.2.2.5.1
Bootstrap Capacitor Selection
8.2.2.5.1.1
Typical Application Circuits
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
接收文档更新通知
9.3
支持资源
9.4
Trademarks
9.5
静电放电警告
9.6
术语表
10
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DDC|6
MPDS124I
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcss74b_oa
zhcss74b_pm
9.5
静电放电警告
静电放电 (ESD) 会损坏这个集成电路。德州仪器 (TI) 建议通过适当的预防措施处理所有集成电路。如果不遵守正确的处理和安装程序,可能会损坏集成电路。
ESD 的损坏小至导致微小的性能降级,大至整个器件故障。精密的集成电路可能更容易受到损坏,这是因为非常细微的参数更改都可能会导致器件与其发布的规格不相符。