SLVSBO4C October   2012  – December 2014

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3  Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Device Voltage Options
  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 Step-Down (Buck) Converter Operation
      2. 9.3.2 Programming OUT Regulation Voltage and VIN_OK
      3. 9.3.3 Nano-Power Management and Efficiency
    4. 9.4 Device Functional Modes
      1. 9.4.1 Enable Controls
      2. 9.4.2 Startup Behavior
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Applications
      1. 10.2.1 TPS62737 3-Resistor Typical Application Circuit
        1. 10.2.1.1 Design Requirements
        2. 10.2.1.2 Detailed Design Procedure
          1. 10.2.1.2.1 Inductor Selection
          2. 10.2.1.2.2 Output Capacitor Selection
          3. 10.2.1.2.3 Input Capacitor Selection
          4. 10.2.1.2.4 Resistor Selection
        3. 10.2.1.3 Application Curves
      2. 10.2.2 TPS62736 4-Resistor Typical Application Circuit
        1. 10.2.2.1 Design Requirements
        2. 10.2.2.2 Detailed Design Procedure
        3. 10.2.2.3 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 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
    2. 13.2 Related Links
    3. 13.3 Trademarks
    4. 13.4 Electrostatic Discharge Caution
    5. 13.5 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

11 Power Supply Recommendations

The TPS62736 / 7 ICs require a low impedance power source (e.g. battery, wall adapter) capable of providng between 2.0 V and 5.5 V and up to 100 mA / 370 mA respectively. When the voltage at IN is less than or equal to VOUT, the IC stops switching, turns on the high side FET and provides VOUT = VIN - ILOAD x RDS(on)-HighSideFET.
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