SNVSAA9
October 2017
LM138QML
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Recommended Operating Conditions
6.3
Thermal Information
6.4
Electrical Characteristics
6.5
Quality Conformance Inspection
6.6
Typical Performance Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
NPN Darlington Output Drive
7.3.2
Overload Block
7.3.3
Programmable Feedback
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Operation With Low Input Voltage
7.4.3
Operation at Light Loads
7.4.4
Operation in Self Protection
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Constant 5-V Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
External Capacitors
8.2.1.2.2
Load Regulation
8.2.1.2.3
Protection Diodes
8.2.1.3
Application Curves
8.3
System Examples
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
K|2
MMBF001A
Y|0
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsaa9_oa
snvsaa9_pm
4
Revision History
DATE
REVISION
NOTES
October 2017
*
Initial release.