SLVSB56C May   2012  – February 2014 TPS54160 , TPS54160A

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Terminal Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 Handling Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Fixed Frequency PWM Control
      2. 8.3.2  Slope Compensation Output Current
      3. 8.3.3  Pulse Skip Eco-mode
      4. 8.3.4  Bootstrap Voltage (BOOT)
      5. 8.3.5  Low Dropout Operation
      6. 8.3.6  Error Amplifier
      7. 8.3.7  Voltage Reference
      8. 8.3.8  Adjusting the Output Voltage
      9. 8.3.9  Enable and Adjusting Undervoltage Lockout
      10. 8.3.10 Slow Start and Tracking Pin (SS/TR)
      11. 8.3.11 Overload Recovery Circuit
      12. 8.3.12 Sequencing
      13. 8.3.13 Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      14. 8.3.14 Overcurrent Protection and Frequency Shift
      15. 8.3.15 Selecting the Switching Frequency
      16. 8.3.16 How to Interface to RT/CLK Pin
      17. 8.3.17 Power Good (PWRGD Pin)
      18. 8.3.18 Overvoltage Transient Protection
      19. 8.3.19 Thermal Shutdown
      20. 8.3.20 Small Signal Model for Loop Response
      21. 8.3.21 Simple Small Signal Model for Peak Current Mode Control
      22. 8.3.22 Small Signal Model for Frequency Compensation
    4. 8.4 Device Functional Modes
      1. 8.4.1 Operation with VIN < 3.5 V (Minimum VIN)
      2. 8.4.2 Operation with EN Control
  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 Procedures
        1. 9.2.2.1  Selecting the Switching Frequency
        2. 9.2.2.2  Output Inductor Selection (LO)
        3. 9.2.2.3  Output Capacitor
        4. 9.2.2.4  Catch Diode
        5. 9.2.2.5  Input Capacitor
        6. 9.2.2.6  Slow Start Capacitor
        7. 9.2.2.7  Bootstrap Capacitor Selection
        8. 9.2.2.8  Under Voltage Lock Out Set Point
        9. 9.2.2.9  Output Voltage and Feedback Resistors Selection
        10. 9.2.2.10 Compensation
        11. 9.2.2.11 Power Dissipation Estimate
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Links
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

5 Revision History

Changes from B Revision (January 2014) to C Revision

  • Deleted SWIFT from the data sheet Title and FeaturesGo
  • Changed Feature From: Tighter Enable Threshold Than TPS54160 ... To: TPS54160A has Tighter Enable Threshold Than TPS54160 for More Accurate UVLO voltageGo
  • Added the Device Information tableGo
  • Deleted the Ordering Information table Go
  • Added the Handling Ratings tableGo
  • Added the Recommended Operating Conditions tableGo
  • Changed the Enable threshold voltage to include values for TPS54160 and TPS54160A Go
  • Added the Power Supply Recommendations sectionGo

Changes from A Revision (July 2012) to B Revision

  • Deleted SWIFT from the data sheet Title and FeaturesGo
  • Changed text in the Description From: "within 93% to 107% of its nominal voltage." To: "within 94% to 107% of its nominal voltage."Go
  • Changed the values of the Hysteresis current in the Electrical Characteristics tableGo
  • Changed text in the Error Amplifier section From: "the transconductance is 25 μA/V" To: "the transconductance is 26 μA/V" Go
  • Changed text in the Slow Start and Tracking Pin (SS/TR) section From: "VIN UVLO is excedded, EN pin pulled below 1.25V" To: "VIN pin is below the VIN UVLO, EN pin pulled below 1.25V"Go
  • Changed Start Input Voltage (rising VIN) voltage From: 7.25 V To: 7.7 VGo
  • Changed Start Input Voltage (falling VIN) voltage From: 6.25 V To: 6.7 VGo
  • Changed Equation 29Go
  • Changed Equation 32Go
  • Changed 7.25V to 7.7V and 6.25V to 6.7V in the Under Voltage Lock Out Set Point section.Go
  • Changed Equation 41 and Equation 42Go
  • Changed Equation 47Go
  • Changed Equation 49, Equation 52, and Equation 53Go

Changes from * Revision (May 2012) to A Revision

  • Changed text in the Description From: "within 93% to 107% of its nominal voltage." To: "within 94% to 107% of its nominal voltage."Go
  • Changed the values of the Hysteresis current in the Electrical Characteristics tableGo
  • Changed text in the Error Amplifier section From: "the transconductance is 25 μA/V" To: "the transconductance is 26 μA/V" Go
  • Changed text in the Slow Start and Tracking Pin (SS/TR) section From: "VIN UVLO is excedded, EN pin pulled below 1.25V" To: "VIN pin is below the VIN UVLO, EN pin pulled below 1.25V"Go
  • Changed Start Input Voltage (rising VIN) voltage From: 7.25 V To: 7.7 VGo
  • Changed Start Input Voltage (falling VIN) voltage From: 6.25 V To: 6.7 VGo
  • Changed Equation 29Go
  • Changed Equation 32Go
  • Changed 7.25V to 7.7V and 6.25V to 6.7V in the Under Voltage Lock Out Set Point section.Go
  • Changed Equation 41 and Equation 42Go
  • Changed Equation 47Go
  • Changed Equation 49, Equation 52, and Equation 53Go