ZHCSI00D
April 2018 – September 2020
LMR36015
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
说明(续)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements
8.7
System Characteristics
8.8
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Power-Good Flag Output
9.3.2
Enable and Start-up
9.3.3
Current Limit and Short Circuit
9.3.4
Undervoltage Lockout and Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Auto Mode
9.4.2
Forced PWM Operation
9.4.3
Dropout
9.4.4
Minimum Switch On-Time
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design 1: Low Power 24-V, 1.5-A PFM Converter
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Custom Design With WEBENCH Tools
10.2.1.2.2
Choosing the Switching Frequency
10.2.1.2.3
Setting the Output Voltage
10.2.1.2.4
Inductor Selection
10.2.1.2.5
Output Capacitor Selection
10.2.1.2.6
Input Capacitor Selection
10.2.1.2.7
CBOOT
10.2.1.2.8
VCC
10.2.1.2.9
CFF Selection
10.2.1.2.9.1
External UVLO
10.2.1.2.10
Maximum Ambient Temperature
10.2.2
Application Curves
10.2.3
Design 2: High Density 24-V, 1.5-A FPWM Converter
10.2.3.1
Design Requirements
10.2.3.2
Detailed Design Procedure
10.2.3.3
Application Curves
10.3
What to Do and What Not to Do
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.1.1
Ground and Thermal Considerations
12.2
Layout Example
13
Device and Documentation Support
13.1
Device Support
13.1.1
Development Support
13.1.1.1
Custom Design With WEBENCH® Tools
13.2
Documentation Support
13.2.1
Related Documentation
13.3
接收文档更新通知
13.4
支持资源
13.5
Trademarks
13.6
静电放电警告
13.7
术语表
14
Mechanical, Packaging, and Orderable Information
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
QFND580A
订购信息
zhcsi00d_oa
zhcsi00d_pm
13.6
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。