SNVSAY0 June   2017 LM317-N-MIL

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Load Regulation
    4. 7.4 Device Functional Modes
      1. 7.4.1 External Capacitors
      2. 7.4.2 Protection Diodes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1  1.25-V to 25-V Adjustable Regulator
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2  5-V Logic Regulator With Electronic Shutdown
      3. 8.2.3  Slow Turnon 15-V Regulator
      4. 8.2.4  Adjustable Regulator With Improved Ripple Rejection
      5. 8.2.5  High Stability 10-V Regulator
      6. 8.2.6  High-Current Adjustable Regulator
      7. 8.2.7  Emitter-Follower Current Amplifier
      8. 8.2.8  1-A Current Regulator
      9. 8.2.9  Common-Emitter Amplifier
      10. 8.2.10 Low-Cost 3-A Switching Regulator
      11. 8.2.11 Current-Limited Voltage Regulator
      12. 8.2.12 Adjusting Multiple On-Card Regulators With Single Control
      13. 8.2.13 AC Voltage Regulator
      14. 8.2.14 12-V Battery Charger
      15. 8.2.15 Adjustable 4-A Regulator
      16. 8.2.16 Current-Limited 6-V Charger
      17. 8.2.17 Digitally Selected Outputs
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
      1. 10.3.1 Heatsink Requirements
      2. 10.3.2 Heatsinking Surface Mount Packages
        1. 10.3.2.1 Heatsinking the SOT-223 (DCY) Package
        2. 10.3.2.2 Heatsinking the TO-263 (KTT) Package
        3. 10.3.2.3 Heatsinking the TO-252 (NDP) Package
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Related Links
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

NDS Metal Can Package
2-Pin TO-3
Bottom View
LM317-N-MIL 906330.gif
Case is Output
NDT Metal Can Package
3-Pin TO
Bottom View
LM317-N-MIL 906331.gif
Case is Output

Pin Functions, Metal Can Packages

PIN I/O DESCRIPTION
NAME TO-3 TO
ADJ 1 2 — Adjust pin
VOUT CASE 3, CASE O Output voltage pin for the regulator
VIN 2 1 I Input voltage pin for the regulator
KTT Surface-Mount Package
3-Pin DDPAK/TO-263
Top View
LM317-N-MIL 906335.gif
NDE Plastic Package
3-Pin TO-220
Front View
LM317-N-MIL 906332.gif
DCY Surface-Mount Package
4-Pin SOT-223
Top View
LM317-N-MIL 906359.gif
NDP Surface-Mount Package
3-Pin TO-252
Front View
LM317-N-MIL 906366.gif

Pin Functions

PIN I/O DESCRIPTION
NAME TO-263 TO-220 SOT-223 TO-252
ADJ 1 1 1 1 — Adjust pin
VOUT 2, TAB 2, TAB 2, 4 2, TAB O Output voltage pin for the regulator
VIN 3 3 3 3 I Input voltage pin for the regulator