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

5.7 Typical Characteristics

VIN = 3.6V, VOUT = 5V, TA = 25°C, unless otherwise noted

TPSM81033 Efficiency vs Output Current VOUT = 5V
VIN = 1.8V, 3.3V, 3.6V, 4.8V. Auto PFM
Figure 5-1 Efficiency vs Output Current VOUT = 5V
TPSM81033 Load Regulation in Auto PFM with internal resistor divider (fixed 5.0V)
VIN = 1.8V, 3.3V, 3.6V, 4.8V; VOUT = 5V
Figure 5-3 Load Regulation in Auto PFM with internal resistor divider (fixed 5.0V)
TPSM81033 Reference Voltage vs Temperature
VIN = 3.6V; VOUT = 5V; TJ=-40°C to +125°C
Figure 5-5 Reference Voltage vs Temperature
TPSM81033 Quiescent Current into VIN vs Temperature
VIN = 1.8V, 3.3V; VOUT = 5V; TJ=-40°C to +125°C,
No switching
Figure 5-7 Quiescent Current into VIN vs Temperature
TPSM81033 Efficiency vs Output Current VOUT = 5V
VIN = 1.8V, 3.3V, 3.6V, 4.8V. Forced PWM
Figure 5-2 Efficiency vs Output Current VOUT = 5V
TPSM81033 Load Regulation in Forced PWM with internal resistor divider (fixed 5.0V)
VIN = 1.8V, 3.3V, 3.6V, 4.8V; VOUT = 5V
Figure 5-4 Load Regulation in Forced PWM with internal resistor divider (fixed 5.0V)
TPSM81033 Shutdown Current vs Temperature
VIN =VSW= 1.8V, 3.3V, 5V; VOUT = 0V; TJ=-40°C to +125°C
Figure 5-6 Shutdown Current vs Temperature
TPSM81033 Quiescent Current into VOUT vs Temperature
VIN= 1.8V; VOUT = 2.2V, 3.3V, 5V; TJ=-40°C to +125°C
No switching
Figure 5-8 Quiescent Current into VOUT vs Temperature