Datasheet LM340, LM340A, LM7805, LM7812, LM7815 (Texas Instruments) - 29

MECHANICAL DATA
NDS0002A
www.ti.com
Document Outline 1 Features 2 Applications 3 Description Table of Contents 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 LM340A Electrical Characteristics, VO = 5 V, VI = 10 V 6.6 LM340 / LM7805 Electrical Characteristics, VO = 5 V, VI = 10 V 6.7 LM340 / LM7812 Electrical Characteristics, VO = 12 V, VI = 19 V 6.8 LM340 / LM7815 Electrical Characteristics, VO = 15 V, VI = 23 V 6.9 Typical Characteristics 7 Detailed Description 7.1 Overview 7.2 Functional Block Diagram 7.3 Feature Description 7.3.1 Output Current 7.3.2 Current Limiting Feature 7.3.3 Thermal Shutdown 7.4 Device Functional Modes 8 Application and Implementation 8.1 Application Information 8.1.1 Shorting the Regulator Input 8.1.2 Raising the Output Voltage Above the Input Voltage 8.1.3 Regulator Floating Ground 8.1.4 Transient Voltages 8.2 Typical Applications 8.2.1 Fixed Output Voltage Regulator 8.2.1.1 Design Requirements 8.2.1.2 Detailed Design Procedure 8.2.1.3 Application Curve 8.3 System Examples 9 Power Supply Recommendations 10 Layout 10.1 Layout Guidelines 10.2 Layout Example 10.3 Heat Sinking DDPAK/TO-263 and SOT-223 Package Parts 11 Device and Documentation Support 11.1 Documentation Support 11.1.1 Related Documentation 11.2 Related Links 11.3 Receiving Notification of Documentation Updates 11.4 Community Resources 11.5 Trademarks 11.6 Electrostatic Discharge Caution 11.7 Glossary 12 Mechanical, Packaging, and Orderable Information Page 1