SGLS162J April   2003  – June 2025 TPS793-Q1

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 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagrams
    3. 6.3 Feature Description
      1. 6.3.1 Undervoltage Lockout (UVLO)
      2. 6.3.2 Shutdown
      3. 6.3.3 Foldback Current Limit
      4. 6.3.4 Thermal Protection
      5. 6.3.5 Reverse Current Operation
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Exiting Dropout
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 External Capacitor Requirements
        2. 7.2.2.2 Adjustable Operation
          1. 7.2.2.2.1 Adjustable Operation (Legacy Chip)
          2. 7.2.2.2.2 Adjustable Operation (New Chip)
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
        2. 7.4.1.2 Power Dissipation and Junction Temperature
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Development Support
        1. 8.1.1.1 Evaluation Modules
        2. 8.1.1.2 Spice Models
      2. 8.1.2 Device Nomenclature
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

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

5.6 Typical Characteristics

TPS793-Q1 TPS793-Q1 Output Voltage vs Output Current
 Legacy chip
Figure 5-1 TPS793-Q1 Output Voltage vs Output Current
TPS793-Q1 TPS793-Q1 Output Voltage vs Junction Temperature
Legacy chip 
Figure 5-3 TPS793-Q1 Output Voltage vs Junction Temperature
TPS793-Q1 TPS793-Q1 Ground Current vs Junction Temperature
Legacy chip 
Figure 5-5 TPS793-Q1 Ground Current vs Junction Temperature
TPS793-Q1 TPS793-Q1 Output Spectral Noise Density vs Frequency
 Legacy chip
Figure 5-7 TPS793-Q1 Output Spectral Noise Density vs Frequency
TPS793-Q1 TPS793-Q1 Output Spectral Noise Density vs Frequency
 
Figure 5-9 TPS793-Q1 Output Spectral Noise Density vs Frequency
TPS793-Q1 Root Mean Squared Output Noise vs Bypass Capacitance
Legacy chip
Figure 5-11 Root Mean Squared Output Noise vs Bypass Capacitance
TPS793-Q1 Output Impedance vs Frequency
New chip
Figure 5-13 Output Impedance vs Frequency
TPS793-Q1 TPS793-Q1 Dropout Voltage vs Junction Temperature
New chip
Figure 5-15 TPS793-Q1 Dropout Voltage vs Junction Temperature
TPS793-Q1 TPS793-Q1 Ripple Rejection vs Frequency
Legacy chip 
Figure 5-17 TPS793-Q1 Ripple Rejection vs Frequency
TPS793-Q1 TPS793-Q1 Ripple Rejection vs Frequency
New chip
Figure 5-19 TPS793-Q1 Ripple Rejection vs Frequency
TPS793-Q1 TPS793-Q1 Output Voltage and Enable Voltage vs Time (Start-Up)
Legacy chip 
Figure 5-21 TPS793-Q1 Output Voltage and Enable Voltage vs Time (Start-Up)
TPS793-Q1 TPS793-Q1 Line Transient Response
Legacy chip
Figure 5-23 TPS793-Q1 Line Transient Response
TPS793-Q1 TPS793-Q1 Load Transient Response
 Legacy chip
Figure 5-25 TPS793-Q1 Load Transient Response
TPS793-Q1 Power-Up and Power-Down
Legacy chip 
Figure 5-27 Power-Up and Power-Down
TPS793-Q1 Dropout Voltage vs Output Current
Legacy chip 
Figure 5-29 Dropout Voltage vs Output Current
TPS793-Q1 TPS793-Q1 Dropout Voltage vs Input Voltage
 Legacy chip
Figure 5-31 TPS793-Q1 Dropout Voltage vs Input Voltage
TPS793-Q1 Minimum Required Input Voltage vs Output Voltage
Legacy chip
Figure 5-33 Minimum Required Input Voltage vs Output Voltage
TPS793-Q1 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current
Legacy chip
Figure 5-35 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current
TPS793-Q1 TPS793-Q1 Output Voltage vs Output Current
New chip
Figure 5-2 TPS793-Q1 Output Voltage vs Output Current
TPS793-Q1 TPS793-Q1 Output Voltage vs Junction Temperature
New chip
Figure 5-4 TPS793-Q1 Output Voltage vs Junction Temperature
TPS793-Q1 TPS793-Q1 Ground Current vs Junction Temperature
New chip
Figure 5-6 TPS793-Q1 Ground Current vs Junction Temperature
TPS793-Q1 TPS793-Q1 Output Spectral Noise Density vs Frequency
 
Figure 5-8 TPS793-Q1 Output Spectral Noise Density vs Frequency
TPS793-Q1 TPS793-Q1 Output Spectral Noise Density vs Frequency
COUT = 10uF (new chip)
Figure 5-10 TPS793-Q1 Output Spectral Noise Density vs Frequency
TPS793-Q1 Output Impedance vs Frequency
Legacy chip 
Figure 5-12 Output Impedance vs Frequency
TPS793-Q1 TPS793-Q1 Dropout Voltage vs Junction Temperature
 Legacy chip
Figure 5-14 TPS793-Q1 Dropout Voltage vs Junction Temperature
TPS793-Q1 TPS793-Q1 Ripple Rejection vs Frequency
 Legacy chip
Figure 5-16 TPS793-Q1 Ripple Rejection vs Frequency
TPS793-Q1 TPS793-Q1 Ripple Rejection vs Frequency
Legacy chip 
Figure 5-18 TPS793-Q1 Ripple Rejection vs Frequency
TPS793-Q1 TPS793-Q1 Ripple Rejection vs Frequency
New chip
Figure 5-20 TPS793-Q1 Ripple Rejection vs Frequency
TPS793-Q1 TPS793-Q1 Output Voltage, Enable Voltage vs Time (Start-Up)
New chip
Figure 5-22 TPS793-Q1 Output Voltage, Enable Voltage vs Time (Start-Up)
TPS793-Q1 TPS793 Line Transient Response
New chip, IOUT = 200mA, COUT = 2.2µF, dV/dt = 0.4V/us
Figure 5-24 TPS793 Line Transient Response
TPS793-Q1 TPS79328 Load Transient Response
New chip, COUT = 10uF, dI/dt = 0.02A/µs
Figure 5-26 TPS79328 Load Transient Response
TPS793-Q1 Power-Up and Power-Down
New chip
Figure 5-28 Power-Up and Power-Down
TPS793-Q1 Dropout Voltage vs Output Current
New chip
Figure 5-30 Dropout Voltage vs Output Current
TPS793-Q1 TPS793-Q1 Dropout Voltage vs Input Voltage
New chip, IOUT = 200mA
Figure 5-32 TPS793-Q1 Dropout Voltage vs Input Voltage
TPS793-Q1 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current
Legacy chip
Figure 5-34 Typical Regions of Stability Equivalent Series Resistance (ESR) vs Output Current