SNVS686L
March 2011 – June 2025
LMZ22005
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Synchronization Input
6.3.2
Output Overvoltage Protection
6.3.3
Current Limit
6.3.4
Thermal Protection
6.3.5
Prebiased Start-Up
6.4
Device Functional Modes
6.4.1
Discontinuous And Continuous Conduction Modes
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
Design Steps
7.2.2.3
Enable Divider, RENT, RENB, and RENH Selection
7.2.2.4
Output Voltage Selection
7.2.2.5
Soft-start Capacitor Selection
7.2.2.6
Tracking Supply Divider Option
7.2.2.7
CO Selection
7.2.2.8
CIN Selection
7.2.2.9
Discontinuous and Continuous Conduction Modes Selection
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Examples
7.4.3
Power Dissipation and Thermal Considerations
7.4.4
Power Module SMT Guidelines
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Custom Design With WEBENCH® Tools
8.2
Documentation Support
8.2.1
Related Documentation
8.3
Receiving Notification of Documentation Updates
8.4
Support Resources
8.5
Trademarks
8.6
Electrostatic Discharge Caution
8.7
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Data Sheet
LMZ22005 5A, SIMPLE SWITCHER
®
Power Module With 20V Maximum Input Voltage