ZHCS518E
April 1998 – June 2019
LM2588
PRODUCTION DATA.
1
特性
2
典型 应用
3
说明
Device Images
反激式稳压器
4
修订历史记录
5
Pin Configurations
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Ratings
6.4
Electrical Characteristics: 3.3 V
6.5
Electrical Characteristics: 5 V
6.6
Electrical Characteristics: 12 V
6.7
Electrical Characteristics: Adjustable
6.8
Electrical Characteristics: All Output Voltage Versions
6.9
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Flyback Regulator Operation
7.3.2
Step-Up (Boost) Regulator Operation
7.3.3
Shutdown Control
7.3.4
Frequency Adjustment
7.3.5
Frequency Synchronization
7.3.6
Programming Output Voltage (Selecting R1 And R2)
7.3.7
Short-Circuit Condition
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Typical Flyback Regulator Applications
8.2.1.1
Design Requirements
8.2.1.1.1
Transformer Selection (T)
8.2.1.1.2
Transformer Footprints
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design With WEBENCH® Tools
8.2.1.2.2
Flyback Regulator Input Capacitors
8.2.1.2.3
Switch Voltage Limits
8.2.1.2.4
Output Voltage Limitations
8.2.1.2.5
Noisy Input Line Condition
8.2.1.2.6
Stability
8.2.2
Typical Boost Regulator Applications
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.3
System Examples
8.3.1
Test Circuits
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
9.3
Heat Sink/Thermal Considerations
10
器件和文档支持
10.1
器件支持
10.1.1
第三方产品免责声明
10.1.2
开发支持
10.1.2.1
使用 WEBENCH® 工具创建定制设计
10.2
接收文档更新通知
10.3
社区资源
10.4
商标
10.5
静电放电警告
10.6
Glossary
11
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
KTW|7
MPSF015
NDZ|7
MMSF005
散热焊盘机械数据 (封装 | 引脚)
KTW|7
PPTD278
订购信息
zhcs518e_oa
zhcs518e_pm
6.9
Typical Characteristics
Figure 1.
Supply Current vs Temperature
Figure 3.
ΔReference Voltage vs Supply Voltage
Figure 5.
Current Limit vs Temperature
Figure 7.
Switch Saturation Voltage vs Temperature
Figure 9.
Oscillator Frequency vs Temperature
Figure 11.
Error Amp Voltage Gain vs Temperature
Figure 13.
Shutdown Supply Current vs Temperature
Figure 15.
Oscillator Frequency vs Resistance
Figure 2.
Reference Voltage vs Temperature
Figure 4.
Supply Current vs Switch Current
Figure 6.
Feedback Pin Bias Current vs Temperature
Figure 8.
Switch Transconductance vs Temperature
Figure 10.
Error Amp Transconductance vs Temperature
Figure 12.
Short Circuit Frequency vs Temperature
Figure 14.
ON
/Off Pin Current vs Voltage