ZHCSJO4A
May 2019 – October 2019
LMR34206-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
3.1
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
System Characteristics
7.8
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
8.4.5
Spread Spectrum Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.1.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Choosing the Switching Frequency
9.2.2.2
Setting the Output Voltage
9.2.2.3
Inductor Selection
9.2.2.4
Output Capacitor Selection
9.2.2.5
Input Capacitor Selection
9.2.2.6
CBOOT
9.2.2.7
VCC
9.2.2.8
External UVLO
9.2.2.9
Maximum Ambient Temperature
9.2.3
Application Curves
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)
RNX|12
MPQF465A
散热焊盘机械数据 (封装 | 引脚)
RNX|12
QFND597B
订购信息
zhcsjo4a_oa
11
Layout