SNOS491E
February 2000 – March 2025
LM4051-N
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
Pin Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
LM4051-1.2 Electrical Characteristics
5.6
LM4051-ADJ Electrical Characteristics
5.7
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.4
Device Functional Modes
7.4.1
LM4051-N-1.2 V
7.4.2
LM4051-N - ADJ
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Shunt Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Adjustable Shunt Regulator
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.3
System Examples
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
2
Applications
Battery-Powered Equipment
Data-Acquisition Systems
Instrumentation and Test Equipment
Process Control
Energy Management/Metering
Automotive Electronics
Precision Audio
Base Stations
Battery Chargers
Medical Equipment
Communication
1.2 V
REF
Simplified Schematic