SLVSCG0 July   2014 TPS57114-EP

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Simplified Schematic
  5. 5 Revision History
  6. 6 Description (continued)
  7. 7 Pin Configuration and Functions
  8. 8 Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 Handling Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Fixed-Frequency Pwm Control
      2. 9.3.2  Slope Compensation and Output Current
      3. 9.3.3  Bootstrap Voltage (Boot) and Low-Dropout Operation
      4. 9.3.4  Error Amplifier
      5. 9.3.5  Voltage Reference
      6. 9.3.6  Adjusting the Output Voltage
      7. 9.3.7  Enable Functionality and Adjusting UVLO
      8. 9.3.8  Slow-Start or Tracking Pin
      9. 9.3.9  Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
      10. 9.3.10 Overcurrent Protection
      11. 9.3.11 Frequency Shift
      12. 9.3.12 Reverse Overcurrent Protection
      13. 9.3.13 Synchronize Using the RT/CLK Pin
      14. 9.3.14 Power Good (PWRGD Pin)
      15. 9.3.15 Overvoltage Transient Protection (OVTP)
      16. 9.3.16 Thermal Shutdown
      17. 9.3.17 Small-Signal Model for Loop Response
      18. 9.3.18 Simple Small-Signal Model for Peak-Current Mode Control
      19. 9.3.19 Small-Signal Model for Frequency Compensation
    4. 9.4 Device Functional Modes
      1. 9.4.1 RT (Resistor Timing) Mode
      2. 9.4.2 CLK (External Clock) Mode
  10. 10Application and Implementation
    1. 10.1 Application Information
      1. 10.1.1 Sequencing
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Selecting the Switching Frequency
        2. 10.2.2.2 Output Inductor Selection
        3. 10.2.2.3 Output Capacitor
        4. 10.2.2.4 Input Capacitor
        5. 10.2.2.5 Slow-Start Capacitor
        6. 10.2.2.6 Bootstrap Capacitor Selection
        7. 10.2.2.7 Output-Voltage and Feedback-Resistor Selection
        8. 10.2.2.8 Compensation
        9. 10.2.2.9 Power-Dissipation Estimate
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Trademarks
    2. 13.2 Electrostatic Discharge Caution
    3. 13.3 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

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

13 Device and Documentation Support

13.1 Trademarks

SwitcherPro, SWIFT are trademarks of Texas Instruments.

13.2 Electrostatic Discharge Caution

esds-image

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

13.3 Glossary

SLYZ022 — TI Glossary.

This glossary lists and explains terms, acronyms, and definitions.