ZHCSJU8G
February 2011 – March 2022
LM21215
PRODUCTION DATA
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 Ratings
6.4
Electrical Characteristics
6.5
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Precision Enable
7.3.2
UVLO
7.3.3
Current Limit
7.3.4
Short-Circuit Protection
7.3.5
Thermal Protection
7.3.6
Light Load Operation
7.3.7
Power Good Flag
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Typical Application 1
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Output Voltage
8.2.1.2.3
Precision Enable
8.2.1.2.4
Soft Start
8.2.1.2.5
Inductor Selection
8.2.1.2.6
Output Capacitor Selection
8.2.1.2.7
Input Capacitor Selection
8.2.1.2.8
Programmable Current Limit
8.2.1.2.9
Control Loop Compensation
8.2.1.3
Application Curves
8.2.2
Typical Application Schematic 2
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
9
Layout
9.1
Layout Considerations
9.2
Layout Example
9.2.1
Thermal Considerations
10
Device and Documentation Support
10.1
Device Support
10.1.1
第三方产品免责声明
10.1.2
Development Support
10.1.2.1
Custom Design With WEBENCH® Tools
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
术语表
11
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
PWP|20
MHTS001G
散热焊盘机械数据 (封装 | 引脚)
PWP|20
PPTD299
订购信息
zhcsju8g_oa
zhcsju8g_pm
7.3
Feature Description