SLVSHB5A October   2024  – November 2024 TPS61287

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Enable and Start-up
      2. 6.3.2 Undervoltage Lockout (UVLO)
      3. 6.3.3 Programmable EN/UVLO
      4. 6.3.4 Switching Valley Current Limit
      5. 6.3.5 External Clock Synchronization
      6. 6.3.6 Stackable Multi-phase Operation
      7. 6.3.7 Device Functional Modes
        1. 6.3.7.1 Forced PWM Mode
        2. 6.3.7.2 Auto PFM Mode
      8. 6.3.8 Overvoltage Protection
      9. 6.3.9 Thermal Shutdown
  8. 7 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 Setting Output Voltage
        2. 7.2.2.2 Inductor Selection
        3. 7.2.2.3 Bootstrap And VCC Capacitors Selection
        4. 7.2.2.4 MOSFET Selection
        5. 7.2.2.5 Input Capacitor Selection
        6. 7.2.2.6 Output Capacitor Selection
        7. 7.2.2.7 Loop Stability
      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
        1. 7.4.2.1 Thermal Considerations
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

5.6 Typical Characteristics

TA = 25°C, fSW = 320 kHz, unless otherwise noted.
TA = 25°C, fSW = 320 kHz, unless otherwise noted.TPS61287 Efficiency vs Output Current, VOUT = 18V
VIN = 3.0V; 3.6V; 4.2V; 7.2V; 8.4V FPWM Mode
Figure 5-1 Efficiency vs Output Current, VOUT = 18V. TA = 25°C, fSW = 320 kHz, unless otherwise noted.
TPS61287 Efficiency vs Output Current, VOUT = 24V
VIN = 3.6V; 5.0V; 9.0V; 12.0V;18.0V FPWM Mode
Figure 5-3 Efficiency vs Output Current, VOUT = 24V
TPS61287 Output Voltage vs Output Current, VOUT = 18V
VIN = 3.0V; 3.6V; 4.2V; 7.2V; 8.4V FPWM Mode
Figure 5-5 Output Voltage vs Output Current, VOUT = 18V
TPS61287 RDSON vs TemperatureFigure 5-7 RDSON vs Temperature
TPS61287 Reference Voltage vs Temperature
Figure 5-9 Reference Voltage vs Temperature
TPS61287 Quiescent Current into VIN vs Temperature
VIN = 2.3V; 3.6V; 7.2V; 8.4V VOUT = 18V
Figure 5-11 Quiescent Current into VIN vs Temperature
TPS61287 Efficiency vs Output Current, VOUT = 18V
VIN = 3.0V; 3.6V; 4.2V; 7.2V; 8.4V Auto PFM Mode
Figure 5-2 Efficiency vs Output Current, VOUT = 18V
TPS61287 Efficiency vs Output Current, VOUT = 24V
VIN = 3.6V; 5.0V; 9.0V; 12.0V; 18.0V Auto PFM Mode
Figure 5-4 Efficiency vs Output Current, VOUT = 24V
TPS61287 Output Voltage vs Output Current, VOUT = 24V
VIN = 3.6V; 5.0V; 9.0V; 12.0V; 18.0V FPWM Mode
Figure 5-6 Output Voltage vs Output Current, VOUT = 24V
TPS61287 EN/UVLO Rising Voltage vs TemperatureFigure 5-8 EN/UVLO Rising Voltage vs Temperature
TPS61287 Shutdown Current vs Temperature
Figure 5-10 Shutdown Current vs Temperature
TPS61287 Quiescent Current into VOUT vs Temperature
VIN = 3.6V VOUT = 5.0V; 18.0V; 24.0V
Figure 5-12 Quiescent Current into VOUT vs Temperature