ZHCSJK0A
April 2019 – September 2019
UC1843B-SP
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
简化原理图
4
修订历史记录
5
Pin Configuration and Functions
Pin 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
UVLO
7.3.2
Reference
7.3.3
Totem-Pole Output
7.4
Device Functional Modes
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
Switching Frequency
8.2.2.2
Transformer
8.2.2.3
RCD Diode Clamp
8.2.2.4
Output Diode
8.2.2.5
Output Filter and Capacitor
8.2.2.6
Compensation
8.2.2.7
Sense Resistor and Slope Compensation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Feedback Traces
10.1.2
Input/Output Capacitors
10.1.3
Compensation Components
10.1.4
Traces and Ground Planes
10.2
Layout Example
11
器件和文档支持
11.1
接收文档更新通知
11.2
社区资源
11.3
商标
11.4
静电放电警告
11.5
Glossary
12
机械、封装和可订购信息
7.2
Functional Block Diagram
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