ZHCSF92A
November 2015 – July 2016
LMR14020-Q1
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
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
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Peak Current Mode Control
7.3.2
Slope Compensation
7.3.3
Sleep-mode
7.3.4
Low Dropout Operation and Bootstrap Voltage (BOOT)
7.3.5
Adjustable Output Voltage
7.3.6
Enable and Adjustable Under-voltage Lockout
7.3.7
External Soft-start
7.3.8
Switching Frequency and Synchronization (RT/SYNC)
7.3.9
Power Good (PGOOD)
7.3.10
Over Current and Short Circuit Protection
7.3.11
Overvoltage Protection
7.3.12
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
CCM Mode
7.4.4
Light Load Operation
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
Output Voltage Set-Point
8.2.2.2
Switching Frequency
8.2.2.3
Output Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Schottky Diode Selection
8.2.2.6
Input Capacitor Selection
8.2.2.7
Bootstrap Capacitor Selection
8.2.2.8
Soft-start Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
Third-Party Products Disclaimer
11.2
文档支持
11.2.1
相关文档
11.2.2
相关产品
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DDA|8
MPDS092F
DPR|10
MPSS046B
散热焊盘机械数据 (封装 | 引脚)
DDA|8
PPTD178C
订购信息
zhcsf92a_oa
zhcsf92a_pm