SLVSA31A November   2009  – December 2014 TPS61029-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Simplified Schematic
  5. Revision History
  6. Device Comparison Table
  7. Pin Configuration and 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
  9. Typical Characteristics
  10. 10Parameter Measurement Information
  11. 11Detailed Description
    1. 11.1 Functional Block Diagram (TPS61029)
    2. 11.2 Feature Description
      1. 11.2.1 Controller Circuit
        1. 11.2.1.1 Synchronous Rectifier
        2. 11.2.1.2 Down Regulation
        3. 11.2.1.3 Device Enable
        4. 11.2.1.4 Softstart and Short Circuit Protection
        5. 11.2.1.5 Low Battery Detector Circuit—LBI/LBO
        6. 11.2.1.6 Low-EMI Switch
    3. 11.3 Device Functional Modes
      1. 11.3.1 Undervoltage Lockout
      2. 11.3.2 Power Save Mode
    4. 11.4 Programming
      1. 11.4.1 Programming the Output Voltage
      2. 11.4.2 Programming the LBI/LBO Threshold Voltage
  12. 12Application and Implementation
    1. 12.1 Application Information
      1. 12.1.1 Application Examples
    2. 12.2 Typical Application
      1. 12.2.1 Design Requirements
        1. 12.2.1.1 Inductor Selection
        2. 12.2.1.2 Input Capacitor
        3. 12.2.1.3 Output Capacitor
      2. 12.2.2 Detailed Design Procedure
        1. 12.2.2.1 Small Signal Stability
        2. 12.2.2.2 Thermal Information
      3. 12.2.3 Application Curves
  13. 13Power Supply Recommendations
  14. 14Layout
    1. 14.1 Layout Guidelines
    2. 14.2 Layout Example
  15. 15Device and Documentation Support
    1. 15.1 Documentation Support
      1. 15.1.1 Third-Party Products Disclaimer
    2. 15.2 Related Links
    3. 15.3 Trademarks
    4. 15.4 Electrostatic Discharge Caution
    5. 15.5 Glossary
  16. 16Mechanical, Packaging, and Orderable Information

9 Typical Characteristics

Table of Graphs

FIGURE
Maximum output current vs Input voltage Figure 1
Efficiency vs Output current (TPS61025) Figure 2
vs Output current (TPS61027) Figure 3
vs Input voltage (TPS61025) Figure 4
vs Input voltage (TPS61027) Figure 5
Output voltage vs Output current (TPS61025) Figure 6
vs Output current (TPS61027) Figure 7
No load supply current into VBAT vs Input voltage Figure 8
No load supply current into VOUT vs Input voltage Figure 9
maxio_v_vi_SLVSA31.gifFigure 1. Maximum Output Current vs Input Voltage
eff27_v_io_SLVSA31.gifFigure 3. TPS61027 Efficiency vs Output Current
eff25_v_io_SLVSA31.gifFigure 2. TPS61025 Efficiency vs Output Current
eff25_v_vi_SLVSA31.gifFigure 4. TPS61025 Efficiency vs Input Voltage
eff27_v_vi_SLVSA31.gifFigure 5. TPS61027 Efficiency vs Input Voltage
vo27_v_io_SLVSA31.gifFigure 7. TPS61027 Output Voltage vs Output Current
nl_vout_vi_SLVSA31.gifFigure 9. No Load Supply Current Into VOUT vs Input Voltage
vo25_v_io_SLVSA31.gifFigure 6. TPS61025 Output Voltage vs Output Current
nl_vbat_vi_SLVSA31.gifFigure 8. No Load Supply Current Into VBAT vs Input Voltage