SLVSDE4F March   2017  – January 2026 TPS61253A , TPS61253E , TPS61253F

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  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 Switching Characteristics
    8. 6.8 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 Start-up
      2. 7.3.2 Enable and Disable
      3. 7.3.3 Undervoltage Lockout (UVLO)
      4. 7.3.4 Current Limit Operation
      5. 7.3.5 Load Disconnection
      6. 7.3.6 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Auto PFM Mode
      2. 7.4.2 Forced PWM Mode
      3. 7.4.3 Ultrasonic Mode
      4. 7.4.4 Pass-Through Mode
  9. 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 Inductor Selection
        3. 8.2.2.3 Output Capacitor
        4. 8.2.2.4 Input Capacitor
        5. 8.2.2.5 Checking Loop Stability
        6. 8.2.2.6 Application Curves
      3. 8.2.3 System Examples
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
      3. 8.4.3 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design With WEBENCH® Tools
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

6.8 Typical Characteristics

This section is based on the test results of TPS61253A, unless otherwise noted.

TPS61253A TPS61253E TPS61253F Efficiency vs Load
VOUT = 5V L = 0.56µH Auto PFM Mode
Figure 6-1 Efficiency vs Load
TPS61253A TPS61253E TPS61253F DC Output Voltage vs Load
VOUT = 5V L = 0.56µH
Figure 6-3 DC Output Voltage vs Load
TPS61253A TPS61253E TPS61253F RDS(ON) vs Temperature
Figure 6-5 RDS(ON) vs Temperature
TPS61253A TPS61253E TPS61253F Quiescent Current (from VIN) vs Input Voltage
Figure 6-7 Quiescent Current (from VIN) vs Input Voltage
TPS61253A TPS61253E TPS61253F Shutdown Current vs Input Voltage
Figure 6-9 Shutdown Current vs Input Voltage
TPS61253A TPS61253E TPS61253F Current Limit (Forced PWM) vs Input Voltage
Figure 6-11 Current Limit (Forced PWM) vs Input Voltage
TPS61253A TPS61253E TPS61253F Mode High Rising / Falling vs Temperature
Figure 6-13 Mode High Rising / Falling vs Temperature
TPS61253A TPS61253E TPS61253F Mode Floating vs Temperature
Figure 6-15 Mode Floating vs Temperature
TPS61253A TPS61253E TPS61253F EN Threshold vs Temperature
Figure 6-17 EN Threshold vs Temperature
TPS61253A TPS61253E TPS61253F Efficiency vs Load
VOUT = 5V L = 0.56µH VIN = 3.6V
Figure 6-2 Efficiency vs Load
TPS61253A TPS61253E TPS61253F AC Output Voltage vs Load
VOUT = 5V L = 0.56µH Auto PFM Mode
Figure 6-4 AC Output Voltage vs Load
TPS61253A TPS61253E TPS61253F VOUT vs Temperature
Figure 6-6 VOUT vs Temperature
TPS61253A TPS61253E TPS61253F Quiescent Current (from VOUT) vs Input Voltage
Figure 6-8 Quiescent Current (from VOUT) vs Input Voltage
TPS61253A TPS61253E TPS61253F Current Limit (Auto PFM) vs Input Voltage
Figure 6-10 Current Limit (Auto PFM) vs Input Voltage
TPS61253A TPS61253E TPS61253F DC Startup Current Limit vs Input Voltage
Figure 6-12 DC Startup Current Limit vs Input Voltage
TPS61253A TPS61253E TPS61253F Mode Low Rising / Falling vs Temperature
Figure 6-14 Mode Low Rising / Falling vs Temperature
TPS61253A TPS61253E TPS61253F VIN UVLO vs Temperature
Figure 6-16 VIN UVLO vs Temperature