SLVSCZ8B July   2016  – December 2019 TPS22918-Q1

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Simplified Schematic
      2.      On-Resistance vs Input Voltage Typical Values
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical DC Characteristics
    8. 6.8 Typical AC Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 On and Off Control
      2. 8.3.2 Quick Output Discharge (QOD)
        1. 8.3.2.1 QOD when System Power is Removed
        2. 8.3.2.2 Internal QOD Considerations
      3. 8.3.3 Adjustable Rise Time (CT)
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Input Capacitor (CIN)
        2. 9.2.2.2 Output Capacitor (CL) (Optional)
        3. 9.2.2.3 Shutdown Sequencing During Unexpected System Power Loss
        4. 9.2.2.4 VIN to VOUT Voltage Drop
        5. 9.2.2.5 Inrush Current
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Developmental Support
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.8 Typical AC Characteristics

TPS22918-Q1 D010_SLVSD76.gif
CIN = 1 µF RL = 10 Ω CL = 0.1 µF
CT = 1000 pF
Figure 8. Rise Time vs Input Voltage
TPS22918-Q1 D012_SLVSD76.gif
CIN = 1 µF RL = 10 Ω CL = 0.1 µF QOD = Open
Figure 10. Fall Time vs Input Voltage
TPS22918-Q1 D014_SLVSD76.gif
CIN = 1 µF RL = 10 Ω CL = 0.1 µF CT =1000 pF
Figure 12. Turnon Time vs Input Voltage
TPS22918-Q1 918_Off Time_VIN=5V_CT=1000pF.png
VIN = 5 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω QOD = Open
Figure 14. Fall Time (tF) at VIN = 5 V
TPS22918-Q1 918_Off Time_VIN=3.3V_CT=1000pF.png
VIN = 3.3 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω QOD = Open
Figure 16. Fall Time (tF) at VIN = 3.3 V
TPS22918-Q1 918_Off Time_VIN=1.8V_CT=1000pF.png
VIN = 1.8 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω QOD = Open
Figure 18. Fall Time (tF) at VIN = 1.8 V
TPS22918-Q1 918_Off Time_VIN=1V_CT=1000pF.png
VIN = 1.0 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω QOD = Open
Figure 20. Fall Time (tF) at VIN = 1 V
TPS22918-Q1 D011_SLVSD76.gif
CIN = 1 µF RL = 10 Ω CL = 0.1 µF
Figure 9. Delay Time vs Input Voltage
TPS22918-Q1 D013_SLVSD76.gif
CIN = 1 µF RL = 10 Ω CL = 0.1 µF
Figure 11. Turnoff Time vs Input Voltage
TPS22918-Q1 918_On Time_VIN=5V_CT=1000pF.png
VIN = 5 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω CT = 1000 pF
Figure 13. Rise Time (tR) at VIN = 5 V
TPS22918-Q1 918_On Time_VIN=3.3V_CT=1000pF.png
VIN = 3.3 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω CT = 1000 pF
Figure 15. Rise Time (tR) at VIN = 3.3 V
TPS22918-Q1 918_On Time_VIN=1.8V_CT=1000pF.png
VIN = 1.8 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω CT = 1000 pF
Figure 17. Rise Time (tR) at VIN = 1.8 V
TPS22918-Q1 918_On Time_VIN=1V_CT=1000pF.png
VIN = 1.0 V CIN = 1 µF CL = 0.1 µF
RL = 10 Ω CT = 1000 pF
Figure 19. Rise Time (tR) at VIN = 1 V