ZHCSSE8C
may 2018 – august 2023
LV3842
ADVANCE INFORMATION
1
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 Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency Peak Current Mode Control
8.3.2
Adjustable Output Voltage
8.3.3
Enable
8.3.4
Minimum ON-Time, Minimum OFF-Time and Frequency Foldback
8.3.5
Bootstrap Voltage
8.3.6
Overcurrent and Short-Circuit Protection
8.3.7
Soft Start
8.3.8
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
8.4.3
CCM Mode
8.4.4
Light-Load Operation (PFM Version)
8.4.5
Light-Load Operation (FPWM Version)
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
Output Voltage Set-Point
9.2.2.2
Inductor Selection
9.2.2.3
Output Capacitor Selection
9.2.2.4
Input Capacitor Selection
9.2.2.5
Bootstrap Capacitor
9.2.2.6
Undervoltage Lockout Set-Point
9.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Compact Layout for EMI Reduction
9.4.3
Feedback Resistors
9.4.4
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
接收文档更新通知
10.3
支持资源
10.4
Trademarks
10.5
静电放电警告
10.6
术语表
11
Mechanical, Packaging, and Orderable Information
11.1
Tape and Reel Information
封装选项
机械数据 (封装 | 引脚)
DBV|6
MPDS026Q
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsse8c_oa
Data Sheet
LV3842 4V 至 36V、600mA 同步降压转换器