SLUU818A April   2012  – February 2022 TPS51219

 

  1.   Trademarks
  2. 1Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  3. 2Electrical Performance Specifications
  4. 3Schematic
  5. 4Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. 5Test Procedure
    1. 5.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 5.2 List of Test Points
    3. 5.3 Equipment Shutdown
  7. 6Performance Data and Typical Characteristic Curves
    1. 6.1 Efficiency
    2. 6.2 Load Regulation
    3. 6.3 Line Regulation
    4. 6.4 Load Transient
    5. 6.5 Output Ripple
    6. 6.6 Switch Node Voltage
    7. 6.7 Turn-On/Turn-Off Waveform
    8. 6.8 Output 0.5-V Prebias Turnon Waveform
  8. 7EVM Assembly Drawing and PCB Layout
  9. 8Bill of Materials
  10. 9Revision History

1.2 Features

The TPS51219EVM features:

  • D-CAP2™-mode operation with low-ESR output capacitance
  • 2% tolerance 1.05-V output voltage
  • 20-Adc, steady-state output current
  • Support prebias output voltage start-up
  • 500-kHz switching frequency
  • SW1 for enable function
  • Convenient test points for probing critical waveforms