SLVSE54A April   2018  – December 2018 TPS563249

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      TPS563249 Efficiency
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Adaptive On-Time Control and PWM Operation
      2. 7.3.2 Soft Start and Pre-Biased Soft Start
      3. 7.3.3 Current Protection
      4. 7.3.4 Undervoltage Lockout (UVLO) Protection
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Standby Operation
  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 Output Voltage Resistors Selection
        2. 8.2.2.2 Output Filter Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Bootstrap Capacitor Selection
        5. 8.2.2.5 Dropout
      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 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

6.6 Typical Characteristics

VIN = 12 V (unless otherwise noted)
TPS563249 Ishutdown_SLVSE54.gif
Figure 1. Shutdown Current vs Junction Temperature
TPS563249 EN_Rising_SLVSE54.gif
Figure 3. EN Rising threshold vs Junction Temperature
TPS563249 HighSideRdson_SLVSE54.gif
Figure 5. High-Side Rds(On) vs Junction Temperature
TPS563249 Dropout_3.3V_SLVSE54_2p0.gif
Figure 7. Dropout for 3.3 V Output Voltage
TPS563249 Eff of 0.9Vout_2p0.gif
0.9 V Efficiency L = 0.56 µH (Wurth:744383560056)
Figure 9. Efficiency vs Output Current, VOUT = 0.9 V
TPS563249 Eff of 1.2Vout_2p0.gif
1.2 V Efficiency L = 0.68 µH (Wurth:744383560068)
Figure 11. Efficiency vs Output Current, VOUT = 1.2 V
TPS563249 Eff of 1.8Vout_2p0.gif
1.8 V Efficiency L = 1 µH (Wurth:744311100)
Figure 13. Efficiency vs Output Current, VOUT = 1.8 V
TPS563249 Eff of 3.3Vout_2p0.gif
3.3 V Efficiency L = 1.5 µH (Wurth:744311150)
Figure 15. Efficiency vs Output Current, VOUT= 3.3 V
TPS563249 FB_Voltage_SLVSE54.gif
Figure 2. VFB Voltage vs Junction Temperature
TPS563249 EN_Falling_SLVSE54.gif
Figure 4. EN Falling threshold vs Junction Temperature
TPS563249 LowSideRdson_SLVSE54.gif
Figure 6. Low-Side Rds(On) vs Junction Temperature
TPS563249 Dropout_5V_SLVSE54_2p0.gif
Figure 8. Dropout for 5 V Output Voltage
TPS563249 Eff of 1.05Vout_2p0.gif
1.05 V Efficiency L = 0.56 µH (Wurth:744383560056)
Figure 10. Efficiency vs Output Current, VOUT = 1.05 V
TPS563249 Eff of 1.5Vout_2p0.gif
A.
1.5 V Efficiency L = 0.68 µH (Wurth:744383560068)
Figure 12. Efficiency vs Output Current, VOUT = 1.5 V
TPS563249 Eff of 2.5Vout_2p0.gif
A.
2.5 V Efficiency L = 1 µH (Wurth:744311100)
Figure 14. Efficiency vs Output Current, VOUT= 2.5 V
TPS563249 Eff of 5Vout_2p0.gif
5 V Efficiency L = 1.5 µH (Wurth:744311150)
Figure 16. Efficiency vs Output Current, VOUT = 5 V