SLVS681F June   2006  – August 2014 TPS62400 , TPS62401 , TPS62402 , TPS62403 , TPS62404

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Options
  6. 6 Pin 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 Converter 1
      2. 8.3.2 Converter 2
      3. 8.3.3 DEF_1 Pin Function
      4. 8.3.4 Mode Selection
      5. 8.3.5 Enable
      6. 8.3.6 Soft Start
      7. 8.3.7 Short-Circuit Protection
      8. 8.3.8 Under-Voltage Lockout
      9. 8.3.9 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Save Mode
      2. 8.4.2 Dynamic Voltage Positioning
      3. 8.4.3 100% Duty Cycle Low Dropout Operation
      4. 8.4.4 180° Out-Of-Phase Operation
    5. 8.5 Programming
      1. 8.5.1 EasyScale: One-Pin Serial Interface for Dynamic Output Voltage Adjustment
        1. 8.5.1.1 General
        2. 8.5.1.2 Protocol
        3. 8.5.1.3 Addressable Registers
          1. 8.5.1.3.1 Bit Decoding
          2. 8.5.1.3.2 Acknowledge
          3. 8.5.1.3.3 MODE Selection
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 TPS6240x, Dual Outputs Step Down Converter
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Converter1 Adjustable Default Output Voltage Setting: TPS62400
          2. 9.2.1.2.2 Converter1 Fixed Default Output Voltage Setting (TPS62401, TPS62402, TPS62403, TPS62404).
          3. 9.2.1.2.3 Converter 2 Adjustable Default Output Voltage Setting TPS62400:
          4. 9.2.1.2.4 Converter 2 Fixed Default Output Voltage Setting
          5. 9.2.1.2.5 Output Filter Design (Inductor and Output Capacitor)
            1. 9.2.1.2.5.1 Inductor Selection
            2. 9.2.1.2.5.2 Output Capacitor Selection
            3. 9.2.1.2.5.3 Input Capacitor Selection
        3. 9.2.1.3 Application Curves
      2. 9.2.2 Various Output Voltages
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
      3. 9.2.3 Dynamic Voltage Scaling on Converter 1 by DEF_1 Pin
        1. 9.2.3.1 Design Requirements
        2. 9.2.3.2 Detailed Design Procedure
  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

10 Power Supply Recommendations

The TPS6240x device family has no special requirements for its input power supply. The input power supply’s output current needs to be rated according to the supply voltage, output voltage and output current of the TPS6240x.
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