SLUSEN2 April   2022 TPS564242 , TPS564247

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 PWM Operation and D-CAP3 Control
      2. 7.3.2 Eco-Mode Control
      3. 7.3.3 Soft Start and Prebiased Soft Start
      4. 7.3.4 Overvoltage Protection
      5. 7.3.5 Large Duty Operation
      6. 7.3.6 Current Protection and Undervoltage Protection
      7. 7.3.7 Undervoltage Lockout (UVLO) Protection
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Eco-Mode Operation
      2. 7.4.2 FCCM Mode Control
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design With WEBENCH® Tools
        2. 8.2.2.2 Output Voltage Resistors Selection
        3. 8.2.2.3 Output Filter Selection
        4. 8.2.2.4 Input Capacitor Selection
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support 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

8.2.3 Application Curves

The following data is tested with VIN = 12 V, VOUT = 1.05 V, TA = 25°C, unless otherwise specified.

Figure 8-2 TPS564242 Frequency vs Loading
Figure 8-4 TPS564242 Load Regulation vs Loading
Figure 8-6 TPS564242 Line Regulation vs VIN with 4-A Loading
Figure 8-8 TPS564242 Output Voltage Ripple with 0.01-A Loading
Figure 8-10 Output Voltage Ripple with 4-A Loading
Figure 8-12 Shutdown Through EN, IOUT = 4 A
Figure 8-14 Start-Up with VIN Falling, IOUT = 4 A
Figure 8-16 TPS564242 Transient Response with 0.1 A to 4 A by 2.5-A/μs Load Step
Figure 8-18 TPS564247 Transient Response with 0.1 A to 4 A by 2.5-A/μs Load Step
Figure 8-20 TPS564247 Normal Operation to Output Hard Short
Figure 8-3 TPS564247 Frequency vs Loading
Figure 8-5 TPS564247 Load Regulation vs Loading
Figure 8-7 TPS564247 Line Regulation vs VIN with 4-A Loading
Figure 8-9 TPS564247 Output Voltage Ripple with 0.01-A Loading
Figure 8-11 Start-Up Through EN, IOUT = 4 A
Figure 8-13 Start-Up with VIN Rising, IOUT = 4 A
Figure 8-15 TPS564242 Transient Response with 0.4 A to 3.6 A by 2.5-A/μs Load Step
Figure 8-17 TPS564247 Transient Response with 0.4 A to 3.6 A by 2.5-A/μs Load Step
Figure 8-19 TPS564242 Normal Operation to Output Hard Short
Figure 8-21 Output Hard Short Hiccup