ZHCSKA2A
September 2019 – February 2020
LMR36520
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
效率与输出电流间的关系 VOUT = 5V,400kHz
简化原理图
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
Switching Characteristics
7.8
System Characteristics
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power-Good Flag Output
8.3.2
Enable and Start-up
8.3.3
Current Limit and Short Circuit
8.3.4
Undervoltage Lockout and Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Auto Mode
8.4.2
Forced PWM Operation
8.4.3
Dropout
8.4.4
Minimum Switch On-Time
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design 1: Low Power 24-V, 2-A Buck Converter
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Choosing the Switching Frequency
9.2.1.2.2
Setting the Output Voltage
9.2.1.2.3
Inductor Selection
9.2.1.2.4
Output Capacitor Selection
9.2.1.2.5
Input Capacitor Selection
9.2.1.2.6
CBOOT
9.2.1.2.7
VCC
9.2.1.2.8
CFF Selection
9.2.1.2.9
External UVLO
9.2.1.2.10
Maximum Ambient Temperature
9.2.2
Application Curves
9.3
What to Do and What Not to Do
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Ground and Thermal Considerations
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
开发支持
12.2
文档支持
12.2.1
相关文档
12.3
接收文档更新通知
12.4
支持资源
12.5
商标
12.6
静电放电警告
12.7
Glossary
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD058I
订购信息
zhcska2a_oa
8.2
Functional Block Diagram
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