SNVS771C
May 1998 – December 2016
LM138
,
LM338
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: LM138
6.5
Electrical Characteristics: LM338
6.6
Typical 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
Related Links
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
NDS|2
MMSF012
散热焊盘机械数据 (封装 | 引脚)
订购信息
snvs771c_oa
snvs771c_pm