SLUSBQ5D November   2013  – July 2016 UCC28180

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (Continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Soft Start
      2. 8.3.2  System Protection
      3. 8.3.3  VCC Undervoltage LockOut (UVLO)
      4. 8.3.4  Output Overvoltage Protection (OVP)
      5. 8.3.5  Open Loop Protection/Standby (OLP/Standby)
      6. 8.3.6  ISENSE Open-Pin Protection (ISOP)
      7. 8.3.7  ICOMP Open-Pin Protection (ICOMPP)
      8. 8.3.8  FAULT Protection
      9. 8.3.9  Output Overvoltage Detection (OVD), Undervoltage Detection (UVD) and Enhanced Dynamic Response (EDR)
      10. 8.3.10 Overcurrent Protection
      11. 8.3.11 Soft Overcurrent (SOC)
      12. 8.3.12 Peak Current Limit (PCL)
      13. 8.3.13 Current Sense Resistor, RISENSE
      14. 8.3.14 ISENSE Pin
      15. 8.3.15 Gate Driver
      16. 8.3.16 Current Loop
      17. 8.3.17 ISENSE and ICOMP Functions
      18. 8.3.18 Pulse Width Modulator
      19. 8.3.19 Control Logic
      20. 8.3.20 Voltage Loop
      21. 8.3.21 Output Sensing
      22. 8.3.22 Voltage Error Amplifier
      23. 8.3.23 Non-Linear Gain Generation
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1  Current Calculations
        2. 9.2.2.2  Switching Frequency
        3. 9.2.2.3  Bridge Rectifier
        4. 9.2.2.4  Inductor Ripple Current
        5. 9.2.2.5  Input Capacitor
        6. 9.2.2.6  Boost Inductor
        7. 9.2.2.7  Boost Diode
        8. 9.2.2.8  Switching Element
        9. 9.2.2.9  Sense Resistor
        10. 9.2.2.10 Output Capacitor
        11. 9.2.2.11 Output Voltage Set Point
        12. 9.2.2.12 Loop Compensation
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
    1. 10.1 Bias Supply
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support . .
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Community Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

4 Revision History

Changes from C Revision (April 2016) to D Revision

Changes from B Revision (December 2014) to C Revision

  • Added a diode to the Typical Application Schematic image.Go
  • Changed ICC Standby current MAX rate from 2.95 mA to 3.47 mA.Go
  • Changed ISENSE threshold, soft over current (SOC) TYP value from –0.295 V to –0.285 V.Go
  • Changed Maximum current under EDR operation MAX rating from –241 µA to –275 µA. Go
  • Added a diode to the Functional Block Diagram.Go
  • Added Diode to Soft Overcurrent/Peak-Current Limit image.Go
  • Added ISENSE Pin section. Go
  • Added diode to the Design Example Schematic image. Go
  • Changed Equation 101 3kHz to 5kHz.Go
  • Changed Recommended Layout for UCC28180 image.Go

Changes from A Revision (November 2013) to B Revision

  • Added ESD Rating table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go