SLVSI31 April   2026 TPS61371

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 I2C Timing Requirements
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Undervoltage Lockout
      2. 6.3.2  Enable and Disable
      3. 6.3.3  Output Voltage Setting
      4. 6.3.4  Reference Voltage Slew Rate
      5. 6.3.5  Error Amplifier
      6. 6.3.6  Bootstrap Voltage (BST)
      7. 6.3.7  Load Disconnect
      8. 6.3.8  Output Discharge
      9. 6.3.9  Overvoltage Protection
      10. 6.3.10 Thermal Shutdown
      11. 6.3.11 Start-Up
      12. 6.3.12 Short Protection
    4. 6.4 Device Functional Modes
      1. 6.4.1 Operation
      2. 6.4.2 Auto PFM Mode
      3. 6.4.3 Forced PWM Mode
      4. 6.4.4 Mode Selectable
    5. 6.5 Programming
      1. 6.5.1 Serial Interface Description
      2. 6.5.2 Standard-, Fast-, and Fast-Mode Plus Protocol
      3. 6.5.3 I2C Update Sequence
      4. 6.5.4 I2C Target Address
        1. 6.5.4.1 I2C Target Address Description
  8. 7 Register Map
    1. 7.1 Register Description
      1. 7.1.1 Register Map
      2. 7.1.2 Register CONTROL (Register address: 0x01; Default: 0x01)
      3. 7.1.3 Register VOUT (Register address: 0x02; Default: 0x36)
  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 Setting the Output Voltage
        2. 8.2.2.2 Selecting the Inductor
        3. 8.2.2.3 Selecting the Output Capacitors
        4. 8.2.2.4 Selecting the Input Capacitors
        5. 8.2.2.5 Loop Stability and Compensation
          1. 8.2.2.5.1 Small Signal Model
        6. 8.2.2.6 Loop Compensation Design Steps
        7. 8.2.2.7 Selecting the Bootstrap Capacitor
      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
        1. 8.4.2.1 Thermal Considerations
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    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

Package Options

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

8.2.3 Application Curves

Typical condition VIN = 3V to 5V, VOUT = 11V, temperature = 25°C, unless otherwise noted

TPS61371 Steady-State at 200mA Load
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-3 Steady-State at 200mA Load
TPS61371 Start-Up by EN, Load = 16Ω
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-5 Start-Up by EN, Load = 16Ω
TPS61371 Load Transient, 200mA to 400mA, 100mA / µs
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-7 Load Transient, 200mA to 400mA, 100mA / µs
TPS61371 Steady-State at 10mA Load
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-4 Steady-State at 10mA Load
TPS61371 Shutdown by EN, Load = 12.5Ω
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-6 Shutdown by EN, Load = 12.5Ω
TPS61371 Shorted Output
VIN = 3.3V VOUT = 11V Mode = Auto PFM
L = 1µH COUT = 3 × 10µF
Figure 8-8 Shorted Output