ZHCSNR6G
June 1999 – March 2023
LM2576
,
LM2576HV
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
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: 3.3 V
6.6
Electrical Characteristics: 5 V
6.7
Electrical Characteristics: 12 V
6.8
Electrical Characteristics: 15 V
6.9
Electrical Characteristics: Adjustable Output Voltage
6.10
Electrical Characteristics: All Output Voltage Versions
6.11
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout
7.3.2
Delayed Start-Up
7.3.3
Adjustable Output, Low-Ripple Power Supply
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Active Mode
7.4.3
Current Limit
8
Application and Implementation
8.1
Application Information
8.1.1
Input Capacitor (CIN)
8.1.2
Inductor Selection
8.1.3
Inductor Ripple Current
8.1.4
Output Capacitor
8.1.5
Catch Diode
8.1.6
Output Voltage Ripple and Transients
8.1.7
Feedback Connection
8.1.8
ON /OFF INPUT
8.1.9
Inverting Regulator
8.1.10
Negative Boost Regulator
8.2
Typical Applications
8.2.1
Fixed Output Voltage Version
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Custom Design with WEBENCH® Tools
8.2.1.2.2
Inductor Selection (L1)
8.2.1.2.3
Output Capacitor Selection (COUT)
8.2.1.2.4
Catch Diode Selection (D1)
8.2.1.2.5
Input Capacitor (CIN)
8.2.1.3
Application Curves
8.2.2
Adjusted Output Voltage Version
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Programming Output Voltage
8.2.2.2.2
Inductor Selection (L1)
8.2.2.2.3
Output Capacitor Selection (COUT)
8.2.2.2.4
Catch Diode Selection (D1)
8.2.2.2.5
Input Capacitor (CIN)
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
8.4.3
Grounding
8.4.4
Heat Sink and Thermal Considerations
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.1.1.1
Definition of Terms
9.1.2
Development Support
9.1.2.1
Custom Design with WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
支持资源
9.4
接收文档更新通知
9.5
Trademarks
9.6
静电放电警告
9.7
术语表
10
Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
NDH|5
NEB|5
KTT|5
KC|5
散热焊盘机械数据 (封装 | 引脚)
KTT|5
PPTD277
订购信息
zhcsnr6g_oa
zhcsnr6g_pm