ZHCSLU9A
August 2017 – September 2020
LV14360
PRODUCTION DATA
1
特性
2
应用
3
描述
4
Revision History
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
Switching Characteristics
7.7
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
Slope Compensation
8.3.3
Sleep Mode
8.3.4
Low Dropout Operation and Bootstrap Voltage (BOOT)
8.3.5
Adjustable Output Voltage
8.3.6
Enable and Adjustable Undervoltage Lockout
8.3.7
External Soft Start
8.3.8
Switching Frequency and Synchronization (RT/SYNC)
8.3.9
Power Good (PGOOD)
8.3.10
Overcurrent and Short-Circuit Protection
8.3.11
Overvoltage Protection
8.3.12
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
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
Switching Frequency
9.2.2.3
Output Inductor Selection
9.2.2.4
Output Capacitor Selection
9.2.2.5
Schottky Diode Selection
9.2.2.6
Input Capacitor Selection
9.2.2.7
Bootstrap Capacitor Selection
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
接收文档更新通知
12.2
支持资源
12.3
Trademarks
12.4
术语表
12.5
静电放电警告
13
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
PPTD058I
订购信息
zhcslu9a_oa
1
特性
4.3V 至 60V 输入范围
3A 持续输出电流
300µA 工作静态电流
155mΩ 高侧 MOSFET
电流模式控制
可调节开关频率范围:200kHz 至 2 MHz
与外部时钟频率同步
内置补偿功能,便于使用
支持高占空比运行
精密使能输入
1µA 关断电流
过热保护、过压保护和短路保护
带
PowerPAD™
的 8 引脚 HSOIC 封装