SLUS859C October   2008  – January 2015 TPS54233

PRODUCTION DATA.  

1. 1 Features
2. 2 Applications
3. 3 Description
4. 4 Simplified Schematic
5. 5 Revision History
6. 6 Pin Configuration and Functions
7. 7 Specifications
   1. 7.1 Absolute Maximum Ratings
   2. 7.2 ESD Ratings
   3. 7.3 Recommended Operating Conditions
   4. 7.4 Thermal Information
   5. 7.5 Electrical Characteristics
   6. 7.6 Switching Characteristics
   7. 7.7 Typical Characteristics
8. 8 Detailed Description
   1. 8.1 Overview
   2. 8.2 Feature Description
      1. 8.2.1  Fixed Frequency PWM Control
      2. 8.2.2  Voltage Reference (Vref)
      3. 8.2.3  Bootstrap Voltage (BOOT)
      4. 8.2.4  Enable and Adjustable Input Under-Voltage Lockout (VIN UVLO)
      5. 8.2.5  Programmable Slow Start Using SS PIN
      6. 8.2.6  Error Amplifier
      7. 8.2.7  Slope Compensation
      8. 8.2.8  Current Mode Compensation Design
      9. 8.2.9  Overcurrent Protection and Frequency Shift
      10. 8.2.10 Overvoltage Transient Protection
      11. 8.2.11 Thermal Shutdown
   3. 8.3 Device Functional Modes
      1. 8.3.1 Eco-modeTM
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 Switching Frequency
         2. 9.2.2.2 Output Voltage Set Point
         3. 9.2.2.3 Input Capacitors
         4. 9.2.2.4 Output Filter Components
            1. 9.2.2.4.1 Inductor Selection
            2. 9.2.2.4.2 Capacitor Selection
         5. 9.2.2.5 Compensation Components
         6. 9.2.2.6 Bootstrap Capacitor
         7. 9.2.2.7 Catch Diode
         8. 9.2.2.8 Output Voltage Limitations
         9. 9.2.2.9 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
    3. 11.3 Estimated Circuit Area
    4. 11.4 Electromagnetic Interference (EMI) Considerations
12. 12Device and Documentation Support
    1. 12.1 Device Support
       1. 12.1.1 Development Support
    2. 12.2 Trademarks
    3. 12.3 Electrostatic Discharge Caution
    4. 12.4 Glossary
13. 13Mechanical, Packaging, and Orderable Information