SLVS413J October   2002  – December 2019 TPS61040 , TPS61041

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application Schematic
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Peak Current Control
      2. 7.3.2 Soft Start
      3. 7.3.3 Enable
      4. 7.3.4 Undervoltage Lockout
      5. 7.3.5 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation
  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 Inductor Selection, Maximum Load Current
        2. 8.2.2.2 Setting the Output Voltage
        3. 8.2.2.3 Line and Load Regulation
        4. 8.2.2.4 Output Capacitor Selection
        5. 8.2.2.5 Input Capacitor Selection
        6. 8.2.2.6 Diode Selection
      3. 8.2.3 Application Curves
    3. 8.3 System Examples
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Third-Party Products Disclaimer
    2. 11.2 Related Links
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DBV|5
  • DRV|6
Thermal pad, mechanical data (Package|Pins)
Orderable Information

System Examples

TPS61040 TPS61041 ai_bias_lvs413.gifFigure 16. LCD Bias Supply With Adjustable Output Voltage
TPS61040 TPS61041 ai_lcd2_lvs413.gifFigure 17. LCD Bias Supply With Load Disconnect
TPS61040 TPS61041 ai_pos_lvs413.gifFigure 18. Positive and Negative Output LCD Bias Supply
TPS61040 TPS61041 ai_stan_lvs413.gifFigure 19. Standard 3.3-V to 12-V Supply
TPS61040 TPS61041 ai_dual_lvs413.gifFigure 20. Dual Battery Cell to 5-V/50-mA Conversion
Efficiency Approximately Equals 84% at VIN = 2.4 V to Vo = 5 V/45 mA
TPS61040 TPS61041 ai_white_lvs413.gifFigure 21. White LED Supply With Adjustable Brightness Control
Using a PWM Signal on the Enable Pin, Efficiency Approximately Equals 86% at VIN = 3 V, ILED = 15 mA
TPS61040 TPS61041 ai_white2_lvs413.gif
A smaller output capacitor value for C2 causes a larger LED ripple.
Figure 22. White LED Supply With Adjustable Brightness Control
Using an Analog Signal on the Feedback Pin