SLCS144E
July 2004 – October 2014
LM317L
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Simplified Schematic
5
Revision History
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
Handling Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
NPN Darlington Output Drive
8.3.2
Overload Block
8.3.3
Programmable Feedback
8.4
Device Functional Modes
8.4.1
Normal operation
8.4.2
Operation With Low Input Voltage
8.4.3
Operation at Light Loads
8.4.4
Operation In Self Protection
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input Capacitor
9.2.2.2
Output Capacitor
9.2.2.3
Feedback Resistors
9.2.2.4
Adjustment Terminal Capacitor
9.2.2.5
Design Options and Parameters
9.2.2.6
Output Voltage
9.2.2.7
Ripple Rejection
9.2.2.8
Input Short Protection
9.2.3
Application Curves
9.3
General Configurations
9.3.1
Regulator Circuit With Improved Ripple Rejection
9.3.2
0-V to 30-V Regulator Circuit
9.3.3
Precision Current-Limiter Circuit
9.3.4
Tracking Preregulator Circuit
9.3.5
Slow-Turn On 15-V Regulator Circuit
9.3.6
50-mA Constant-Current Battery-Charger Circuit
9.3.7
Current-Limited 6-V Charger
9.3.8
High-Current Adjustable Regulator
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Trademarks
12.2
Electrostatic Discharge Caution
12.3
Glossary
13
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
slcs144e_oa
slcs144e_pm