SLUSDN6C September   2019  – December 2024 TPSM82810 , TPSM82813

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison Table
  6. 5 Pin Configuration and Functions
  7. 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 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Schematic
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Precise Enable (EN)
      2. 8.3.2 Output Discharge
      3. 8.3.3 COMP/FSET
      4. 8.3.4 MODE/SYNC
      5. 8.3.5 Spread Spectrum Clocking (SSC) - TPSM8281xS
      6. 8.3.6 Undervoltage Lockout (UVLO)
      7. 8.3.7 Power-Good Output (PG)
      8. 8.3.8 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Pulse Width Modulation (PWM) Operation
      2. 8.4.2 Power Save Mode Operation (PFM/PWM)
      3. 8.4.3 100% Duty-Cycle Operation
      4. 8.4.4 Current Limit and Short Circuit Protection
      5. 8.4.5 Soft Start / Tracking (SS/TR)
  10. 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 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Setting the Output Voltage
        3. 9.2.2.3 Feedforward capacitor
        4. 9.2.2.4 Input Capacitor
        5. 9.2.2.5 Output Capacitor
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Voltage Tracking
      2. 9.3.2 Synchronizing to an External Clock
    4. 9.4 Power Supply Recommendations
    5. 9.5 Layout
      1. 9.5.1 Layout Guidelines
      2. 9.5.2 Layout Examples
        1. 9.5.2.1 Thermal Consideration
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Third-Party Products Disclaimer
      2. 10.1.2 Custom Design With WEBENCH® Tools
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

9.2.3 Application Curves

TA = 25°C, VIN = 5V, VOUT = 1.8V, 1.8MHz, PWM mode, BOM = Table 7-1 unless otherwise noted.

TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PFM, SIL Package TA = 25°C
Figure 9-2 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PFM, SIL Package TA = 85°C
Figure 9-4 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PFM, SIL Package TA = 25°C
Figure 9-6 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PFM, SIL Package TA = 85°C
Figure 9-8 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PFM, VCA Package TA = 25°C
Figure 9-10 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PFM, VCA Package TA = 85°C
Figure 9-12 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PFM, VCA Package TA = 25°C
Figure 9-14 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PFM, VCA Package TA = 85°C
Figure 9-16 Efficiency vs Output Current
TPSM82810 TPSM82813 Output Voltage vs Output Current
VOUT = 3.3V TA = 25°C
Figure 9-18 Output Voltage vs Output Current
TPSM82810 TPSM82813 Output Voltage vs Output Current
VOUT = 1.8V TA = 25°C
Figure 9-20 Output Voltage vs Output Current
TPSM82810 TPSM82813 Output Voltage vs Output Current
VOUT = 0.6V TA = 25°C
Figure 9-22 Output Voltage vs Output Current
TPSM82810 TPSM82813 Safe Operating Area VIN = 5.0V
RθJA = 35.0°C/W SIL Package TJ,max = 125°C
Figure 9-24 Safe Operating Area VIN = 5.0V
TPSM82810 TPSM82813 Safe Operating Area VIN = 5.0V
RθJA = 27.4°C/W VCA Package TJ,max = 125°C
Figure 9-26 Safe Operating Area VIN = 5.0V
TPSM82810 TPSM82813 Load Transient Response
VOUT = 1.8V

PFM

 TA = 25°C
VIN = 5.0V IOUT = 0A to 4A to 0A
Figure 9-28 Load Transient Response
TPSM82810 TPSM82813 Output and Input Voltage Ripple
VOUT = 1.8V PFM TA = 25°C
IOUT = 0A VIN = 5.0V BW = 20MHz
Figure 9-30 Output and Input Voltage Ripple
TPSM82810 TPSM82813 Start-Up Timing
VOUT = 1.8V PFM TA = 25°C
IOUT = 0A VIN = 5V CSS = 4.7nF
Figure 9-32 Start-Up Timing
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PWM, SIL Package TA = 25°C
Figure 9-3 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PWM, SIL Package TA = 85°C
Figure 9-5 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PWM, SIL Package TA = 25°C
Figure 9-7 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PWM, SIL Package TA = 85°C
Figure 9-9 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PWM, VCA Package TA = 25°C
Figure 9-11 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 3.3V PWM, VCA Package TA = 85°C
Figure 9-13 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PWM, VCA Package TA = 25°C
Figure 9-15 Efficiency vs Output Current
TPSM82810 TPSM82813 Efficiency vs Output Current
VIN = 5V PWM, VCA Package TA = 85°C
Figure 9-17 Efficiency vs Output Current
TPSM82810 TPSM82813 Output Voltage vs Output Current
VOUT = 2.5V TA = 25°C
Figure 9-19 Output Voltage vs Output Current
TPSM82810 TPSM82813 Output Voltage vs Output Current
VOUT = 1.2V TA = 25°C
Figure 9-21 Output Voltage vs Output Current
TPSM82810 TPSM82813 Safe Operating Area VIN = 3.3V
RθJA = 35.0°C/W SIL Package TJ,max = 125°C
Figure 9-23 Safe Operating Area VIN = 3.3V
TPSM82810 TPSM82813 Safe Operating Area VIN = 3.3V
RθJA = 27.4°C/W VCA Package TJ,max = 125°C
Figure 9-25 Safe Operating Area VIN = 3.3V
TPSM82810 TPSM82813 Load Transient Response
VOUT = 1.8V PWM TA = 25°C
VIN = 5.0V IOUT = 0A to 4A to 0A
Figure 9-27 Load Transient Response
TPSM82810 TPSM82813 Output and Input Voltage Ripple
VOUT = 1.8V PWM TA = 25 °C
IOUT = 4A VIN = 5.0V BW = 20MHz
Figure 9-29 Output and Input Voltage Ripple
TPSM82810 TPSM82813 Start-Up Timing
VOUT = 1.8V PWM TA = 25°C
IOUT = 4A VIN = 5V CSS = 4.7nF
Figure 9-31 Start-Up Timing