SNOSBT0L
February 2000 – September 2016
LM340
PRODUCTION DATA.
1
Features
2
Applications
Available Packages
3
Description
Fixed Output Voltage Regulator
4
Revision History
5
Pin Configuration and Functions
Pin 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
Package Options
Mechanical Data (Package|Pins)
KTT|3
MPSF006E
DCY|4
MPDS094A
NDE|3
MMSF014
Thermal pad, mechanical data (Package|Pins)
KTT|3
PPTD276A
DCY|4
QFND222B
Orderable Information
snosbt0l_oa
snosbt0l_pm
6.3
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
Temperature (T
A
)
LM340A, LM340
0
125
°C