SLCS144G July   2004  – August 2026 LM317L

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information (SOIC & SOT-89)
    5. 5.5 Thermal Information (TO-92 & TSSOP)
    6. 5.6 Electrical Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 NPN Darlington Output Drive
      2. 6.3.2 Overload Block
      3. 6.3.3 Programmable Feedback
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal operation
      2. 6.4.2 Operation With Low Input Voltage
      3. 6.4.3 Operation at Light Loads
      4. 6.4.4 Operation In Self Protection
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input Capacitor
        2. 7.2.2.2 Output Capacitor
        3. 7.2.2.3 Feedback Resistors
        4. 7.2.2.4 Adjustment Terminal Capacitor
        5. 7.2.2.5 Design Options and Parameters
        6. 7.2.2.6 Output Voltage
        7. 7.2.2.7 Input Short Protection
        8. 7.2.2.8 Ripple Rejection
      3. 7.2.3 Application Curve
    3. 7.3 System Examples
      1. 7.3.1 Regulator Circuit With Improved Ripple Rejection
      2. 7.3.2 0V to 30V Regulator Circuit
      3. 7.3.3 Precision Current-Limiter Circuit
      4. 7.3.4 Tracking Preregulator Circuit
      5. 7.3.5 Slow-Turn On 15V Regulator Circuit
      6. 7.3.6 50mA Constant-Current, Battery-Charger Circuit
      7. 7.3.7 Current-Limited 6V Charger
      8. 7.3.8 High-Current Adjustable Regulator
    4. 7.4 Power Supply Recommendations
    5. 7.5 Layout
      1. 7.5.1 Layout Guidelines
      2. 7.5.2 Layout Example
    6. 7.6 Estimating Junction Temperature
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

9 Revision History

Changes from Revision F (December 2024) to Revision G (August 2026)

  • Updated legacy and new chip information throughout the documentGo
  • Removed output voltage range of the legacy chip from the Features sectionGo
  • Changed the input regulation per input voltage change from 0.01% to 0.007% in the Features section to reflect new chip (CSO: RFB) specsGo
  • Changed the typical ripple rejection at 120Hz spec from 80dB to 71.5dB in the Features section to reflect new chip (CSO: RFB) specsGo
  • Removed ripple rejection at 100kHz spec from the Features sectionGo
  • Added device package options to the Features sectionGo
  • Updated Applications sectionGo
  • Updated the Description section to reflect new chip (CSO: RFB) specsGo
  • Changed output voltage maximum from 32V to 37V in the Description section to reflect new chip (CSO: RFB) specsGo
  • Added new chip (CSO: RFB) specs to the Absolute Maximum RatingsGo
  • Added new chip (CSO: RFB) specs to the ESD RatingsGo
  • Added new chip (CSO: RFB) specs to the Recommended Operating ConditionsGo
  • Added new chip (CSO: RFB) specs to the Thermal InformationGo
  • Updated Thermal Information to two tables for clarityGo
  • Added new chip (CSO: RFB) specs to the Electrical CharacteristicsGo
  • Updated titles of Typical Characteristics graphs for legacy chip (CSO: SHE & CSO: TID)Go
  • Added Typical Characteristics graphs for new chip (CSO: RFB)Go
  • Updated Overview section to reflect new chip (CSO: RFB) specsGo
  • Removed mention of specific output voltage range and bias current in the Overview section, instead added a reference the Electrical Characteristics table, where the specs can be foundGo
  • Updated NPN Darlington Output Drive with link to the Recommended Operating Conditions Go
  • Updated Operation With Low Input Voltage with a link to the Recommended Operating Conditions Go
  • Updated Operation at Light Loads with a link to the Electrical Characteristics Go
  • Updated Operation in Self Protection for clarityGo
  • Updated the maximum input range example value from 32V to 37V in the Design Requirements to reflect new chip (CSO: RFB) specsGo
  • Updated Adjustment Terminal Capacitor section to mention CADJ Go
  • Updated adjustment current from 50µA to 44µA in the Output Voltage section to reflect new chip (CSO: RFB) specsGo
  • Changed position of Input Short Protection to before Ripple Rejection within the Detailed Design Procedure Go
  • Updated Ripple Rejection with a link to the Adjustment Terminal Capacitor sectionGo
  • Updated Application Curve to specify legacy chip performanceGo
  • Added note to 0V to 30V Regulator Circuit Go
  • Added note to Slow-Turn On 15V Regulator Circuit Go
  • Added note to Current-Limited 6V Charger Go
  • Added note to High-Current Adjustable Regulator Go
  • Updated the maximum input voltage from 32V to 37V in the Power Supply Recommendations section to reflect new chip (CSO: RFB) specsGo
  • Added a link to the Recommended Operating Conditions table in the Power Supply Recommendations sectionGo
  • Updated Layout Guidelines to give more detailed guidance about capacitor placementGo
  • Added SOIC layouts to the Layout Example sectionGo
  • Updated the Device Nomenclature for clarity, included distinction based on CSOGo

Changes from Revision E (October 2014) to Revision F (December 2024)

  • Updated the numbering format for tables, figures, and cross-references throughout the documentGo
  • Added terminology to identify legacy and new chip information throughout documentGo
  • Updated Pin Functions table to include correct pin informationGo
  • Added Device Support sectionGo