SLVU431A January   2011  – December 2021 TPS53219

 

  1.   Trademarks
  2. 1 Introduction
  3.   Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  4. 2 Electrical Performance Specifications
  5. 3 Schematic
  6. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  7. 5 Configurations
    1. 5.1 Switching Frequency Selection
    2. 5.2 Soft-Start Selection
    3. 5.3 Mode Selection
    4. 5.4 Enable Selection
  8. 6 Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Control Loop Gain and Phase Measurement Procedure
    3. 6.3 List of Test Points
    4. 6.4 Equipment Shutdown
  9. 7 Performance Data and Typical Characteristic Curves
    1. 7.1 Efficiency
    2. 7.2 Load Regulation
    3. 7.3 Output Transient
    4. 7.4 Output Ripple
    5. 7.5 Switching Node
    6. 7.6 Enable Turn-On/Turn-Off
    7. 7.7 Output 1.1-V Prebias Turn-On
    8. 7.8 Bode Plot
    9. 7.9 Thermal Image
  10. 8 EVM Assembly Drawing and PCB Layout
  11. 9 Bill of Materials
  12. 10Revision History

6.3 List of Test Points

Table 6-1 Functions of Each Test Points
Test PointsNameDescription
TP1VREG6.2-V LDO output
TP2PGOODPower good
TP3ENEnable pin
TP4DRVHHigh-side driver output
TP5DRVLLow-side driver output
TP6MODESoft-start and Auto skip/FCCM selection pin
TP7VINVIN
TP8GNDGND for VIN
TP9CHAInput A for loop injection
TP10CHBInput B for loop injection
TP11GNDGND
TP12GNDGND
TP13VDDController power supply input
TP14VOUTOutput voltage
TP15GNDGND for output voltage