SLVSGO6B December   2022  – January 2025 TPS631010 , TPS631011

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Rating
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics 
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Undervoltage Lockout (UVLO)
      2. 7.3.2 Enable and Soft Start
      3. 7.3.3 Adjustable Output Voltage
      4. 7.3.4 Mode Selection (PFM/FPWM)
      5. 7.3.5 Output Discharge
      6. 7.3.6 Reverse Current Operation
      7. 7.3.7 Protection Features
        1. 7.3.7.1 Input Overvoltage Protection
        2. 7.3.7.2 Output Overvoltage Protection
        3. 7.3.7.3 Short Circuit Protection
        4. 7.3.7.4 Thermal Shutdown
    4. 7.4 Device Functional Modes
  9. 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
        2. 8.2.2.2 Output Capacitor Selection
        3. 8.2.2.3 Input Capacitor Selection
        4. 8.2.2.4 Setting the Output Voltage
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
      2. 9.1.2 Development Support
        1. 9.1.2.1 Custom Design with WEBENCH Tools
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information
    1. 11.1 Mechanical Data

Package Options

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

8.2.3 Application Curves

TPS631010 TPS631011 Efficiency vs Output Current (FPWM)
VOUT = 3.3V MODE = High
Figure 8-2 Efficiency vs Output Current (FPWM)
TPS631010 TPS631011 Efficiency vs Input Voltage (PFM)
VOUT = 3.3V MODE = Low
Figure 8-4 Efficiency vs Input Voltage (PFM)
TPS631010 TPS631011 Typical Output Current Capability vs Input Voltage
VOUT = 3.3V
Figure 8-6 Typical Output Current Capability vs Input Voltage
TPS631010 TPS631011 Switching Waveforms with 1A Load
VIN = 3.3V, VOUT = 3.3V IOUT = 1A, MODE = Low
Figure 8-8 Switching Waveforms with 1A Load
TPS631010 TPS631011 Switching Waveforms, Buck Operation with 1A Load
VIN = 4.3V, VOUT = 3.3V IOUT = 1A, MODE = Low
Figure 8-10 Switching Waveforms, Buck Operation with 1A Load
TPS631010 TPS631011 Start-Up by EN
VIN = 3.6V, VOUT = 3.3V Rload = 4Ω, MODE = Low
Figure 8-12 Start-Up by EN
TPS631010 TPS631011 Load Transient at 2.7V Input Voltage
VIN = 2.7V, VOUT = 3.3V IOUT = 100mA to 1A with 20µs slew rate
Figure 8-14 Load Transient at 2.7V Input Voltage
TPS631010 TPS631011 Load Transient at 3.6V Input Voltage
VIN = 3.6V, VOUT = 3.3V IOUT = 100mA to 1A with 20µs slew rate
Figure 8-16 Load Transient at 3.6V Input Voltage
TPS631010 TPS631011 Load Transient at 4.3V Input Voltage
VIN = 4.3V, VOUT = 3.3V IOUT = 100mA to 1A with 20µs slew rate
Figure 8-18 Load Transient at 4.3V Input Voltage
TPS631010 TPS631011 Line Transient at 1A Load Current
VIN = 2.7V to 4.3V with 20µs slew rate, VOUT = 3.3V IOUT = 1A
Figure 8-20 Line Transient at 1A Load Current
TPS631010 TPS631011 Output Short Protection (Entry)
VIN = 3.6V, VOUT = 3.3V IOUT = 1A, FPWM
Figure 8-22 Output Short Protection (Entry)
TPS631010 TPS631011 Load Regulation (FPWM)
VOUT = 3.3V MODE = High
Figure 8-3 Load Regulation (FPWM)
TPS631010 TPS631011 Load Regulation (PFM)
VO = 3.3V MODE = Low
Figure 8-5 Load Regulation (PFM)
TPS631010 TPS631011 Switching Waveforms, Boost Operation with 1A Load
VIN = 2.7V, VOUT = 3.3V IOUT = 1A, MODE = Low
Figure 8-7 Switching Waveforms, Boost Operation with 1A Load
TPS631010 TPS631011 Switching Waveforms with 1A Load
VIN = 3.6V, VOUT = 3.3V IOUT = 1A, MODE = Low
Figure 8-9 Switching Waveforms with 1A Load
TPS631010 TPS631011 Switching Waveforms at 1mA Load
VIN = 3.6V, VOUT = 3.3V IOUT = 1mA, MODE = Low
Figure 8-11 Switching Waveforms at 1mA Load
TPS631010 TPS631011 Shutdown by EN
VIN = 3.6V, VOUT = 3.3V Rload = 4Ω, MODE = Low
Figure 8-13 Shutdown by EN
TPS631010 TPS631011 Load Sweep at 2.7V Input Voltage
VIN = 2.7V, VOUT = 3.3V IOUT = 100mA to 1A sweep
Figure 8-15 Load Sweep at 2.7V Input Voltage
TPS631010 TPS631011 Load Sweep at 3.6V Input Voltage
VIN = 3.6V, VOUT = 3.3V IOUT = 100mA to 1A sweep
Figure 8-17 Load Sweep at 3.6V Input Voltage
TPS631010 TPS631011 Load Sweep at 4.3V Input Voltage
VIN = 4.3V, VOUT = 3.3V IOUT = 100mA to 1A sweep
Figure 8-19 Load Sweep at 4.3V Input Voltage
TPS631010 TPS631011 Line Sweep at 1A Load Current
VIN = 2.7V to 4.3V sweep, VOUT = 3.3V IOUT = 1A
Figure 8-21 Line Sweep at 1A Load Current
TPS631010 TPS631011 Output Short Protection (Recover)
VIN = 3.6V, VOUT = 3.3V IOUT = 1A, FPWM
Figure 8-23 Output Short Protection (Recover)
Table 8-6 Components for Application Characteristic Curves for VOUT = 3.3V
REFERENCEDESCRIPTION (2)PART NUMBERMANUFACTURER(1)
U1High Power Density 1.5A Buck-Boost ConverterTPS631010 or TPS631011Texas Instruments
L11.0μH, 2.5mm x 2.0mm, 4.3A, 42mΩDFE252012P-1R0M=P2MuRata
C122µF, 0603, Ceramic Capacitor, ±20%, 6.3VGRM187R61A226ME15Murata
C247µF, 0805, Ceramic Capacitor, ±20%, 6.3VGRM219R60J476ME44Murata
R1511kΩ, 0603 Resistor, 1%, 100mWStandardStandard
R291kΩ, 0603 Resistor, 1%, 100mWStandardStandard
(1) See the Section 9.1.1.
(2) For other output voltages, refer to Table 8-5 for resistor values.