SLVSDN3 June   2017 TPS82140

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Schematic spacespace
      2.      Efficiency vs Output Current, VIN=12V space
  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 Recommend 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 and PSM Operation
      2. 7.3.2 Low Dropout Operation (100% Duty Cycle)
      3. 7.3.3 Switch Current Limit
      4. 7.3.4 Undervoltage Lockout
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable and Disable (EN)
      2. 7.4.2 Soft Startup (SS/TR)
      3. 7.4.3 Voltage Tracking (SS/TR)
      4. 7.4.4 Power Good Output (PG)
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 1.8-V Output Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design with WEBENCH® Tools
          2. 8.2.1.2.2 Setting the Output Voltage
          3. 8.2.1.2.3 Input and Output Capacitor Selection
          4. 8.2.1.2.4 Soft Startup Capacitor Selection
        3. 8.2.1.3 Application Performance Curves
    3. 8.3 System Examples
      1. 8.3.1 Inverting Power Supply
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Consideration
  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 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information
    1. 12.1 Package Materials Information
      1. 12.1.1 Tape and Reel Information

Package Options

Mechanical Data (Package|Pins)
  • SIL|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.1.3 Application Performance Curves

TA = 25°C, VIN = 12 V, VOUT = 1.8 V, unless otherwise noted.

TPS82140 D001_SLVSDN3.gif
Figure 6. Efficiency, VOUT = 1.0 V
TPS82140 D002_SLVSDN3.gif
Figure 8. Efficiency, VOUT = 1.8 V
TPS82140 D003_SLVSDN3.gif
Figure 10. Efficiency, VOUT = 2.5 V
TPS82140 D004_SLVSDN3.gif
Figure 12. Efficiency, VOUT = 3.3 V
TPS82140 D023_SLVSDN3.gif
Figure 14. Efficiency, VOUT = 5.0 V
TPS82140 D014_TPS82140_1.0V.gif
θJA = 46.1 °C/W
Figure 16. Thermal Derating, VOUT = 1 V
TPS82140 D018_TPS82140_3.3V.gif
θJA = 46.1 °C/W
Figure 18. Thermal Derating, VOUT = 3.3 V
TPS82140 D005_SLVSDN3.gif
Figure 20. Load Regulation
TPS82140 D009_SLVSDN3.gif
VOUT = 1.8V
Figure 22. Switching Frequency
TPS82140 SLVSDN3_PWMripple.gif
IOUT = 2A
Figure 24. Input and Output Ripple in PWM Mode
TPS82140 SLVSDN3_loadtran_0to2A.gif
IOUT = 0A to 2A, 1A/µs
Figure 26. Load Transient
TPS82140 SLVSDN3_startup_noload.gif
No Load
Figure 28. Startup without Load
TPS82140 D019_SLVSDN3.gif
Figure 7. Efficiency, VOUT = 1.0 V
TPS82140 D020_SLVSDN3.gif
Figure 9. Efficiency, VOUT = 1.8 V
TPS82140 D021_SLVSDN3.gif
Figure 11. Efficiency, VOUT = 2.5 V
TPS82140 D022_SLVSDN3.gif
Figure 13. Efficiency, VOUT = 3.3 V
TPS82140 D024_SLVSDN3.gif
Figure 15. Efficiency, VOUT = 5.0 V
TPS82140 D015_TPS82140_1.8V.gif
θJA = 46.1 °C/W
Figure 17. Thermal Derating, VOUT = 1.8 V
TPS82140 D016_TPS82140_5.0V.gif
θJA = 46.1 °C/W
Figure 19. Thermal Derating, VOUT = 5 V
TPS82140 D006_SLVSCY5_TPS82130.gif
IOUT = 1A
Figure 21. Line Regulation
TPS82140 D018_SLVSCY5_TPS82130.gif
IOUT = 1A
Figure 23. Switching Frequency
TPS82140 SLVSDN3_PSMripple.gif
No Load
Figure 25. Input and Output Ripple in PSM Mode
TPS82140 SLVSDN3_loadtran_05to2A.gif
IOUT = 0.5A to 2A, 1A/µs
Figure 27. Load Transient
TPS82140 SLVSDN3_startup_1Ohm.gif
ROUT = 1Ω
Figure 29. Startup / Shutdown with Resistance Load