SLUU943A May   2012  – December 2021 TPS53014

 

  1. 1 Introduction
  2. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  3. 3 Electrical Performance Specifications
  4. 4 Schematic
  5. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  6. 6 Configurations
    1. 6.1 Enable/Disable Switch S1
  7. 7 Test Procedure
    1. 7.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 7.2 List of Test Points
    3. 7.3 Equipment Shutdown
  8. 8 Performance Data and Typical Characteristic Curves
    1. 8.1 Efficiency
    2. 8.2 Load Regulation
    3. 8.3 Line Regulation
    4. 8.4 Load Transient
    5. 8.5 Output Ripple
    6. 8.6 Switching Node
    7. 8.7 Enable Start-Up
    8. 8.8 Disable
    9. 8.9 Thermal Image
  9. 9 EVM Assembly Drawing and PCB Layout
  10. 10List of Materials
  11. 11Revision History

7.1 Line/Load Regulation and Efficiency Measurement Procedure

  1. Set up the EVM as described in Section 5 and Figure 5-2.
  2. Ensure Load is set to constant resistance mode and to sink 0 ADC.
  3. Ensure the switch S1 is set per Section 6.
  4. Increase VIN from 0 V to 12 V. Using V1 to measure VIN voltage.
  5. Set the switch S1 to Enable position to enable the controller.
  6. Use V2 to measure VOUT voltage, A1 to measure VIN current.
  7. Vary load from 0 ADC to 8 ADC. VOUT should remain in load regulation.
  8. Vary VIN from 8.0 V to 22 V. VOUT should remain in line regulation.
  9. Set the switch S1 to Disable position to disable the controller.
  10. Decrease load to 0 A.
  11. Decrease VIN to 0 V.
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