SLVS044Y
September 1997 – April 2020
LM317
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Battery-Charger Circuit
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD 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
9.2.3
Application Curves
9.3
System Examples
9.3.1
0-V to 30-V Regulator Circuit
9.3.2
Adjustable Regulator Circuit With Improved Ripple Rejection
9.3.3
Precision Current-Limiter Circuit
9.3.4
Tracking Preregulator Circuit
9.3.5
1.25-V to 20-V Regulator Circuit With Minimum Program Current
9.3.6
Battery-Charger Circuit
9.3.7
50-mA Constant-Current Battery-Charger Circuit
9.3.8
Slow Turn-On 15-V Regulator Circuit
9.3.9
AC Voltage-Regulator Circuit
9.3.10
Current-Limited 6-V Charger Circuit
9.3.11
Adjustable 4-A Regulator Circuit
9.3.12
High-Current Adjustable Regulator Circuit
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
KCS|3
MPSF053A
KTT|3
MPSF006E
DCY|4
MPDS094A
Thermal pad, mechanical data (Package|Pins)
KTT|3
PPTD068B
DCY|4
QFND222B
Orderable Information
slvs044y_oa
slvs044y_pm
9.3.1
0-V to 30-V Regulator Circuit
Here, the voltage is determined by
Figure 12.
0-V to 30-V Regulator Circuit