SLVU735A June   2012  – February 2022 TPS51225

 

  1.   Trademarks
  2. Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. Electrical Performance Specifications
  4. Schematic
  5. Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. Configurations
  7. Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 List of Test Points
    3. 6.3 Equipment Shutdown
  8. Performance Data and Typical Characteristic Curves
    1. 7.1  5-V Efficiency
    2. 7.2  5-V Load Regulation
    3. 7.3  3.3-V Efficiency
    4. 7.4  3.3-V Load Regulation
    5. 7.5  Enable Turn-On/Turn-Off
    6. 7.6  Output Ripple
    7. 7.7  Switching Node
    8. 7.8  5-V Output Transient with Auto-skip Mode
    9. 7.9  3.3-V Output Transient with Auto-skip Mode
    10. 7.10 Output Prebias Turn-On
    11. 7.11 Thermal Image
  9. EVM Assembly Drawing and PCB Layout
  10. Bill of Materials
  11. 10Revision History

Configurations

Make all switcher selections before applying power to the EVM. Configure this EVM per the following:

Enable1 Selection

The EN1 pin can be set by S1.
Default setting: S1 to OFF to disable the Output1

Table 5-1 EN1 Selection
Switcher set toSKIPSEL Selection
ONEnable the Output1
OFFDisable the Output1

Enable2 Selection
Default setting: S2 to OFF to disable the Output2

Table 5-2 EN2 Selection
Switcher set toEnable Selection
ONEnable the Output2
OFFDisable the Output2