SLUSFN2B May   2024  – December 2024 TPS513885

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  PWM Operation and D-CAP3™ Control Mode
      2. 6.3.2  VCC Switchover Function
      3. 6.3.3  Soft Start
      4. 6.3.4  Large Duty Operation
      5. 6.3.5  Power Good
      6. 6.3.6  Overcurrent Protection and Undervoltage Protection
      7. 6.3.7  Overvoltage Protection
      8. 6.3.8  UVLO Protection
      9. 6.3.9  Output Voltage Discharge
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Light Load Operation
      2. 6.4.2 Advanced Eco-mode Control
      3. 6.4.3 Out-of-Audio™ Mode
      4. 6.4.4 Mode Selection
      5. 6.4.5 Standby Operation
  8. 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 Custom Design With WEBENCH® Tools
        2. 7.2.2.2 External Component Selection
          1. 7.2.2.2.1 VOUT and FB Pin Configuration
          2. 7.2.2.2.2 MODE Selection
          3. 7.2.2.2.3 Inductor Selection
          4. 7.2.2.2.4 Output Capacitor Selection
          5. 7.2.2.2.5 Input Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Custom Design With WEBENCH® Tools
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Typical Characteristics

TJ = –20°C to 125°C, VIN = 12V, unless otherwise noted.

TPS513885 Supply Current vs Junction
                        TemperatureFigure 5-1 Supply Current vs Junction Temperature
TPS513885 Enable On Voltage vs
                        Junction TemperatureFigure 5-3 Enable On Voltage vs Junction Temperature
TPS513885 High-Side RDS(on)
                         vs Junction TemperatureFigure 5-5 High-Side RDS(on) vs Junction Temperature
TPS513885 OVP Threshold vs Junction
                        TemperatureFigure 5-7 OVP Threshold vs Junction Temperature
TPS513885 Output
                         Voltage vs Junction
                        TemperatureFigure 5-9 Output Voltage vs Junction Temperature
TPS513885 Valley Current Limit vs
                        Junction TemperatureFigure 5-11 Valley Current Limit vs Junction Temperature
TPS513885 Soft-Start Time vs
                        Junction TemperatureFigure 5-13 Soft-Start Time vs Junction Temperature
TPS513885 Efficiency vs Load
                        Current, 560kHz, OOA ModeFigure 5-15 Efficiency vs Load Current, 560kHz, OOA Mode
TPS513885 Switching Frequency vs
                        Load Current, FSW = 560kHz,
                            ECOFigure 5-17 Switching Frequency vs Load Current, FSW = 560kHz, ECO
TPS513885 Shutdown Current vs
                        Junction TemperatureFigure 5-2 Shutdown Current vs Junction Temperature
TPS513885 Enable Off Voltage vs
                        Junction TemperatureFigure 5-4 Enable Off Voltage vs Junction Temperature
TPS513885 Low-Side
                            RDS(on) vs Junction TemperatureFigure 5-6 Low-Side RDS(on) vs Junction Temperature
TPS513885 UVP Threshold vs Junction
                        TemperatureFigure 5-8 UVP Threshold vs Junction Temperature
TPS513885 Discharge Resistor vs
                        Junction TemperatureFigure 5-10 Discharge Resistor vs Junction Temperature
TPS513885 Negative Current Limit vs
                        Junction TemperatureFigure 5-12 Negative Current Limit vs Junction Temperature
TPS513885 OOA Period vs Junction
                        TemperatureFigure 5-14 OOA Period vs Junction Temperature
TPS513885 Efficiency vs Load
                        Current, 560kHz, Eco-modeFigure 5-16 Efficiency vs Load Current, 560kHz, Eco-mode
TPS513885 Switching Frequency vs
                        Load Current, FSW = 560kHz,
                            OOAFigure 5-18 Switching Frequency vs Load Current, FSW = 560kHz, OOA