SLCS144F
July 2004 – December 2024
LM317L
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
NPN Darlington Output Drive
6.3.2
Overload Block
6.3.3
Programmable Feedback
6.4
Device Functional Modes
6.4.1
Normal operation
6.4.2
Operation With Low Input Voltage
6.4.3
Operation at Light Loads
6.4.4
Operation In Self Protection
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input Capacitor
7.2.2.2
Output Capacitor
7.2.2.3
Feedback Resistors
7.2.2.4
Adjustment Terminal Capacitor
7.2.2.5
Design Options and Parameters
7.2.2.6
Output Voltage
7.2.2.7
Ripple Rejection
7.2.2.8
Input Short Protection
7.2.3
Application Curve
7.3
System Examples
7.3.1
Regulator Circuit With Improved Ripple Rejection
7.3.2
0V to 30V Regulator Circuit
7.3.3
Precision Current-Limiter Circuit
7.3.4
Tracking Preregulator Circuit
7.3.5
Slow-Turn On 15V Regulator Circuit
7.3.6
50mA Constant-Current, Battery-Charger Circuit
7.3.7
Current-Limited 6V Charger
7.3.8
High-Current Adjustable Regulator
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.2
Layout Example
7.6
Estimating Junction Temperature
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
メカニカル・データ(パッケージ|ピン)
D|8
PW|8
PK|3
LP|3
サーマルパッド・メカニカル・データ
PK|3
PPTD070
発注情報
slcs144f_oa
slcs144f_pm
Data Sheet
LM317L 100mA Adjustable Floating Voltage Regulator