ZHCSIT5B
september 2018 – august 2023
LM5164
PRODUCTION DATA
1
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 Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Control Architecture
7.3.2
Internal VCC Regulator and Bootstrap Capacitor
7.3.3
Regulation Comparator
7.3.4
Internal Soft Start
7.3.5
On-Time Generator
7.3.6
Current Limit
7.3.7
N-Channel Buck Switch and Driver
7.3.8
Synchronous Rectifier
7.3.9
Enable/Undervoltage Lockout (EN/UVLO)
7.3.10
Power Good (PGOOD)
7.3.11
Thermal Protection
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
Sleep Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Switching Frequency (RRON)
8.2.2.3
Buck Inductor (LO)
8.2.2.4
Output Capacitor (COUT)
8.2.2.5
Input Capacitor (CIN)
8.2.2.6
Type-3 Ripple Network
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Compact PCB Layout for EMI Reduction
10.1.2
Feedback Resistors
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方产品免责声明
11.1.2
Development Support
11.1.2.1
Custom Design With WEBENCH® Tools
11.2
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
12
Mechanical, Packaging, and Orderable Information
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
PPTD272A
订购信息
zhcsit5b_oa
zhcsit5b_pm
Data Sheet
具有超低 I
Q
的
LM5164
100V 输入、
1A
同步降压直流/直流转换器