SLVSB70B October   2013  – July 2018 TPS62085 , TPS62086 , TPS62087

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Typical Application Schematic
    1.     Typical Application Efficiency
  5. Revision History
  6. Device Options
  7. Pin Configuration and Functions
    1.     Pin Functions
  8. Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1 Power Save Mode
      2. 9.3.2 100% Duty Cycle Low Dropout Operation
      3. 9.3.3 Soft Start
      4. 9.3.4 Switch Current Limit and Hiccup Short-Circuit Protection
      5. 9.3.5 Undervoltage Lockout
      6. 9.3.6 Thermal Shutdown
    4. 9.4 Device Functional Modes
      1. 9.4.1 Enable and Disable
      2. 9.4.2 Power Good
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Custom Design With WEBENCH® Tools
        2. 10.2.2.2 Setting The Output Voltage
        3. 10.2.2.3 Output Filter Design
        4. 10.2.2.4 Inductor Selection
        5. 10.2.2.5 Capacitor Selection
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
    3. 12.3 Thermal Considerations
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
      2. 13.1.2 Custom Design With WEBENCH® Tools
    2. 13.2 Documentation Support
      1. 13.2.1 Related Documentation
    3. 13.3 Related Links
    4. 13.4 Community Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

Application Curves

VIN = 3.6 V, VOUT = 1.2 V, TA = 25 ºC, unless otherwise noted

Table 6. Table of Graphs

FIGURE
Efficiency TPS62085, VOUT = 0.95 V Figure 4
TPS62085, VOUT = 1.2 V Figure 5
TPS62086, VOUT = 3.3 V Figure 6
TPS62087, VOUT = 1.8 V Figure 7
Line Regulation TPS62085 Figure 8
Load Regulation TPS62085 Figure 9
Switching Frequency TPS62085 Figure 1
Waveforms TPS62085, PWM Operation (Load = 3 A) Figure 10
TPS62085, PSM Operation (Load = 100 mA) Figure 11
TPS62085, Load Sweep (Load = Open to 3 A) Figure 12
TPS62085, Start-Up (Load = 0.47 Ω) Figure 13
TPS62085, Start-Up (Load = Open) Figure 14
TPS62085, Shutdown (Load = 0.47 Ω) Figure 15
TPS62085, Shutdown (Load = Open) Figure 16
TPS62085, Load Transient (Load = 0.5 A to 3 A) Figure 17
TPS62085, Load Transient (Load = 50 mA to 3 A) Figure 18
TPS62085, Output Short-Circuit Protection (Load = 0.47 Ω, Entry) Figure 19
TPS62085, Output Short-Circuit Protection (Load = 0.47 Ω, Recovery) Figure 20
TPS62085, Output Short-Circuit Protection (Load = 0.47 Ω, HICCUP Zoom In) Figure 21
TPS62085 TPS62086 TPS62087 C001_SLVSB70.png
Figure 4. Efficiency
TPS62085 TPS62086 TPS62087 C003_SLVSB70.png
Figure 6. Efficiency
TPS62085 TPS62086 TPS62087 C005_SLVSB70.png
Figure 8. Line Regulation
TPS62085 TPS62086 TPS62087 Fig15.gif
Figure 10. PWM Operation, Load = 3 A
TPS62085 TPS62086 TPS62087 Fig17.gif
Figure 12. Load Sweep, Load = Open to 3 A
TPS62085 TPS62086 TPS62087 Fig19.gif
Figure 14. Start-Up, Load = Open
TPS62085 TPS62086 TPS62087 Fig21.gif
Figure 16. Shutdown, Load = Open
TPS62085 TPS62086 TPS62087 Fig23.gif
Figure 18. Load Transient, Load = 50 mA to 3 A
TPS62085 TPS62086 TPS62087 Fig25.gif
Figure 20. Output Short-Circuit Protection, Load = 0.47 Ω, Recovery
TPS62085 TPS62086 TPS62087 C002_SLVSB70.png
Figure 5. Efficiency
TPS62085 TPS62086 TPS62087 C004_SLVSB70.png
Figure 7. Efficiency
TPS62085 TPS62086 TPS62087 C006_SLVSB70.png
Figure 9. Load Regulation
TPS62085 TPS62086 TPS62087 Fig16.gif
Figure 11. PSM Operation, Load = 100 mA
TPS62085 TPS62086 TPS62087 Fig18.gif
Figure 13. Start-Up, Load = 0.47 Ω
TPS62085 TPS62086 TPS62087 Fig20.gif
Figure 15. Shutdown, Load = 0.47 Ω
TPS62085 TPS62086 TPS62087 Fig22.gif
Figure 17. Load Transient, Load = 0.5 A to 3 A
TPS62085 TPS62086 TPS62087 Fig24.gif
Figure 19. Output Short-Circuit Protection, Load = 0.47 Ω, Entry
TPS62085 TPS62086 TPS62087 Fig26.gif
Figure 21. Output Short-Circuit Protection, Load = 0.47 Ω, HICCUP Zoom In