Datasheet LM340, LM340A, LM7805, LM7812, LM7815 (Texas Instruments) - 2
| 制造商 | Texas Instruments |
| 描述 | Wide VIN 1.5-A Fixed Voltage Regulators |
| 页数 / 页 | 34 / 2 — LM340,. LM340A. , LM7805,. LM7812. , LM7815. www.ti.com. Table of … |
| 修订版 | L |
| 文件格式/大小 | PDF / 3.8 Mb |
| 文件语言 | 英语 |
LM340,. LM340A. , LM7805,. LM7812. , LM7815. www.ti.com. Table of Contents. Features. Applications. Description
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LM340, LM340A , LM7805, LM7812 , LM7815
SNOSBT0L – FEBRUARY 2000 – REVISED SEPTEMBER 2016
www.ti.com Table of Contents 1 Features
.. 1 7.3 Feature Description... 12
2 Applications
... 1 7.4 Device Functional Modes.. 12
3 Description
... 1
8 Application and Implementation
.. 13
4 Revision History
... 2 8.1 Application Information.. 13
5 Pin Configuration and Functions
... 3 8.2 Typical Applications .. 14 8.3 System Examples ... 15
6 Specifications
... 4
9 Power Supply Recommendations
.. 17 6.1 Absolute Maximum Ratings .. 4 6.2 ESD Ratings.. 4
10 Layout
... 17 6.3 Recommended Operating Conditions ... 4 10.1 Layout Guidelines ... 17 6.4 Thermal Information .. 4 10.2 Layout Example ... 17 6.5 LM340A Electrical Characteristics, 10.3 Heat Sinking DDPAK/TO-263 and SOT-223 Package Parts.. 18 VO = 5 V, VI = 10 V.. 5 6.6 LM340 / LM7805 Electrical Characteristics,
11 Device and Documentation Support
... 20 V 11.1 Documentation Support .. 20 O = 5 V, VI = 10 V.. 6 6.7 LM340 / LM7812 Electrical Characteristics, 11.2 Related Links .. 20 V 11.3 Receiving Notification of Documentation Updates 20 O = 12 V, VI = 19 V.. 7 6.8 LM340 / LM7815 Electrical Characteristics, 11.4 Community Resources.. 20 VO = 15 V, VI = 23 V.. 8 11.5 Trademarks ... 20 6.9 Typical Characteristics .. 9 11.6 Electrostatic Discharge Caution .. 20
7 Detailed Description
.. 12 11.7 Glossary .. 20 7.1 Overview ... 12
12 Mechanical, Packaging, and Orderable
7.2 Functional Block Diagram ... 12
Information
... 21
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision K (November 2015) to Revision L Page
• Changed pinout number order for the TO-220 and SOT-223 packages from: 2, 3, 1 to: 1, 2, 3 .. 1
Changes from Revision J (December 2013) to Revision K Page
• Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section... 1 • Deleted obsolete LM140 and LM7808C devices from the data sheet ... 1 • Changed Figure 13 caption from Line Regulation 140AK-5.0 to Line Regulation LM340, .. 11 • Changed Figure 14 caption from Line Regulation 140AK-5.0 to Line Regulation LM340, .. 11
Changes from Revision I (March 2013) to Revision J Page
• Changed 0.5 from typ to max ... 5 2 Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated Product Folder Links: LM340 LM340A LM7805 LM7812 LM7815 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
LM340, LM340A , LM7805, LM7812 , LM7815
SNOSBT0L – FEBRUARY 2000 – REVISED SEPTEMBER 2016
www.ti.com Table of Contents 1 Features
.. 1 7.3 Feature Description... 12
2 Applications
... 1 7.4 Device Functional Modes.. 12
3 Description
... 1
8 Application and Implementation
.. 13
4 Revision History
... 2 8.1 Application Information.. 13
5 Pin Configuration and Functions
... 3 8.2 Typical Applications .. 14 8.3 System Examples ... 15
6 Specifications
... 4
9 Power Supply Recommendations
.. 17 6.1 Absolute Maximum Ratings .. 4 6.2 ESD Ratings.. 4
10 Layout
... 17 6.3 Recommended Operating Conditions ... 4 10.1 Layout Guidelines ... 17 6.4 Thermal Information .. 4 10.2 Layout Example ... 17 6.5 LM340A Electrical Characteristics, 10.3 Heat Sinking DDPAK/TO-263 and SOT-223 Package Parts.. 18 VO = 5 V, VI = 10 V.. 5 6.6 LM340 / LM7805 Electrical Characteristics,
11 Device and Documentation Support
... 20 V 11.1 Documentation Support .. 20 O = 5 V, VI = 10 V.. 6 6.7 LM340 / LM7812 Electrical Characteristics, 11.2 Related Links .. 20 V 11.3 Receiving Notification of Documentation Updates 20 O = 12 V, VI = 19 V.. 7 6.8 LM340 / LM7815 Electrical Characteristics, 11.4 Community Resources.. 20 VO = 15 V, VI = 23 V.. 8 11.5 Trademarks ... 20 6.9 Typical Characteristics .. 9 11.6 Electrostatic Discharge Caution .. 20
7 Detailed Description
.. 12 11.7 Glossary .. 20 7.1 Overview ... 12
12 Mechanical, Packaging, and Orderable
7.2 Functional Block Diagram ... 12
Information
... 21
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision K (November 2015) to Revision L Page
• Changed pinout number order for the TO-220 and SOT-223 packages from: 2, 3, 1 to: 1, 2, 3 .. 1
Changes from Revision J (December 2013) to Revision K Page
• Added ESD Ratings table, Thermal Information table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section... 1 • Deleted obsolete LM140 and LM7808C devices from the data sheet ... 1 • Changed Figure 13 caption from Line Regulation 140AK-5.0 to Line Regulation LM340, .. 11 • Changed Figure 14 caption from Line Regulation 140AK-5.0 to Line Regulation LM340, .. 11
Changes from Revision I (March 2013) to Revision J Page
• Changed 0.5 from typ to max ... 5 2 Submit Documentation Feedback Copyright © 2000–2016, Texas Instruments Incorporated Product Folder Links: LM340 LM340A LM7805 LM7812 LM7815 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