SLVSKK8 August   2026 LM7311

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 Timing Requirements
    7. 6.7 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout (UVLO and UVP)
      2. 7.3.2 Overvoltage Lockout (OVLO)
      3. 7.3.3 Inrush Current, Overcurrent, and Short Circuit Protection
        1. 7.3.3.1 Slew Rate (dVdt) and Inrush Current Control
        2. 7.3.3.2 Short-Circuit Protection
        3. 7.3.3.3 Current Limit in Start-up
      4. 7.3.4 Analog Load Current Monitor
      5. 7.3.5 Reverse Current Protection
      6. 7.3.6 Overtemperature Protection (OTP)
      7. 7.3.7 Fault Response and Indication (FLT)
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Single Device, Self-Controlled
    3. 8.3 Typical Application
      1. 8.3.1 Design Requirements
      2. 8.3.2 Detailed Design Procedure
        1. 8.3.2.1 Setting Undervoltage Threshold
        2. 8.3.2.2 Setting Output Voltage Rise Time (tR)
        3. 8.3.2.3 Setting Analog Current Monitor Voltage (IMON) Range
        4. 8.3.2.4 39
      3. 8.3.3 Application Curves
    4. 8.4 Active ORing
    5. 8.5 Power Supply Recommendations
      1. 8.5.1 Transient Protection
      2. 8.5.2 Output Short-Circuit Measurements
    6. 8.6 Layout
      1. 8.6.1 Layout Guidelines
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Reference
    2. 11.2 Package Option Addendum
    3. 11.3 Tape and Reel Information

6.6 Timing Requirements

VIN = 20V, EN = 5V, CIN = 10uF, CDVDT = 5.6nF unless otherwise noted
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
td_on Insertion Delay when EN>UVLO EN>UVLO to VOUT rising 8 ms
tOVLOdeb Overvoltage protection debounce time VIN>OV 512 us
tSC Short circuit response time during startup IOUT > 3 × ILIMto Output current cut off 500 ns
tSC Short circuit response time during steady state IOUT > IFFT to Output current cut off 500 ns
tREV Reverse Current Blocking comparator response time (VOUT - VIN) > VREVTH + 30% to BFET OFF 1 µs
tSWRCB Reverse Current Blocking comparator recovery time (VIN- VOUT) > VFWDTH to VOUT rising 50 µs
tTSD,RST Thermal Shutdown Auto-Retry Interval Device Enabled and TJ < TSD - TSDHYS 64 ms