SLVSHL0F June   2024  – December 2025 TPSM81033

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 System Characteristics
    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 Soft Start
      3. 6.3.3  Setting the Output Voltage
      4. 6.3.4  Current Limit Operation
      5. 6.3.5  Pass-Through Operation
      6. 6.3.6  Power Good Indicator
      7. 6.3.7  Implement Output Discharge by PG function
      8. 6.3.8  Overvoltage Protection
      9. 6.3.9  Output Short-to-Ground Protection
      10. 6.3.10 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 PWM Mode
      2. 6.4.2 Power-Save Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Setting the Output Voltage
        2. 7.2.2.2 Output Capacitor Selection
        3. 7.2.2.3 Input Capacitor Selection
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
      3. 7.4.3 Thermal Considerations
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1.     55

7.2.3 Application Curves

Tests in this chapter are based on Evaluation Module.

TPSM81033 Switching Waveform at Heavy Load
VIN = 3.3V, VOUT = 5V, IOUT = 1A
Figure 7-3 Switching Waveform at Heavy Load
TPSM81033 Start-up Waveform
VIN = 3.3V, VOUT = 5V, 8Ω resistance load
Figure 7-5 Start-up Waveform
TPSM81033 Load Transient
VIN = 3.3V, VOUT = 5V, IOUT = 0.1A to 1A with 10μs slew rate
Figure 7-7 Load Transient
TPSM81033 Load Sweep
VIN = 3.3V, VOUT = 5V, IOUT = 50mA to 1A Sweep
Figure 7-9 Load Sweep
TPSM81033 Output Short Protection (Entry)
VIN = 3.3V, VOUT = 5V, IOUT = 1A
Figure 7-11 Output Short Protection (Entry)
TPSM81033 Conducted EMI Performance (CISPR32)
VIN = 3.6V, VOUT = 5V, IOUT = 800mA, FPWM
Figure 7-13 Conducted EMI Performance (CISPR32)
TPSM81033 Switching Waveform at Light Load
VIN = 3.3V, VOUT = 5V, IOUT = 100mA
Figure 7-4 Switching Waveform at Light Load
TPSM81033 Shutdown Waveform
VIN = 3.3V, VOUT = 5V, 8Ω resistance load
Figure 7-6 Shutdown Waveform
TPSM81033 Line Transient
VIN = 2.7V to 4.5V with 30μs slew rate, VOUT = 5V, IOUT = 1A
Figure 7-8 Line Transient
TPSM81033 Line Sweep
VIN = 1.7V to 4.5V Sweep, VOUT = 5V, IOUT = 1A
Figure 7-10 Line Sweep
TPSM81033 Output Short Protection (Recover)
VIN = 3.3V, VOUT = 5V, IOUT = 1A
Figure 7-12 Output Short Protection (Recover)
TPSM81033 Radiated EMI Performance (CISPR32)
VIN = 3.6V, VOUT = 5V, IOUT = 800mA, FPWM
Figure 7-14 Radiated EMI Performance (CISPR32)