ZHCSHQ3F
August 2017 – November 2020
LMR33630
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Device Comparison Table
6
Pin Configuration and 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 Characteristics
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
Dropout
8.4.3
Minimum Switch On-Time
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
Custom Design With WEBENCH® Tools
9.2.2.2
Choosing the Switching Frequency
9.2.2.3
Setting the Output Voltage
9.2.2.4
Inductor Selection
9.2.2.5
Output Capacitor Selection
9.2.2.6
Input Capacitor Selection
9.2.2.7
CBOOT
9.2.2.8
VCC
9.2.2.9
CFF Selection
9.2.2.10
External UVLO
9.2.2.11
Maximum Ambient Temperature
9.2.3
Application Curves
9.3
What to Do and What Not to Do
10
Layout
10.1
Layout Guidelines
10.1.1
Ground and Thermal Considerations
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
1
特性
提供功能安全
可帮助进行功能安全系统设计的文档
专用于条件严苛的工业应用
输入电压范围:3.8V 至 36V
输出电压范围:1V 至 24V
输出电流:3A
75mΩ/50mΩ R
DS-ON
功率 MOSFET
峰值电流模式控制
最短导通时间很短,只有 68ns
频率:400kHz、1.4MHz、2.1MHz
结温范围为 –40°C 至 +125°C
低 EMI 和低开关噪声
集成补偿网络
低 EMI 和开关噪声
HotRod™
封装
并行输入电流路径
可在所有负载下进行高效电源转换
峰值效率 > 95%
低至 25µA 的工作静态电流
灵活的系统接口
电源正常状态标志和精密使能端
使用
TPSM53603
模块缩短产品上市时间
使用 LMR33630 并借助
WEBENCH®
Power Designer
创建定制设计方案