ZHCS785I
February 2012 – January 2021
SN6501
PRODUCTION DATA
1
特性
2
应用
3
说明
Revision History
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
Handling Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Push-Pull Converter
7.3.2
Core Magnetization
7.4
Device Functional Modes
7.4.1
Start-Up Mode
7.4.2
Operating Mode
7.4.3
Off-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
SN6501 Drive Capability
8.2.2.2
LDO Selection
8.2.2.3
Diode Selection
8.2.2.4
Capacitor Selection
8.2.2.5
Transformer Selection
8.2.2.5.1
V-t Product Calculation
8.2.2.5.2
Turns Ratio Estimate
8.2.2.5.3
Recommended Transformers
8.2.3
Application Curve
8.2.4
Higher Output Voltage Designs
8.2.5
Application Circuits
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
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
11.2
Trademarks
11.3
静电放电警告
11.4
术语表
12
Mechanical, Packaging, and Orderable Information
1
特性
用于小型变压器的推挽式驱动器
3.3V 或 5V 单电源
初级侧高电流驱动:
5V 电源:350mA(最大值)
3.3V 电源:150mA(最大值)
低整流输出纹波可使用小型输出电容器
小型 5 引脚 SOT-23 封装