SLUUBC0A December   2015  – August 2021 TPS548A20

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
    1. 2.1 Typical Applications
    2. 2.2 Features
  4. 3 Electrical Performance Specifications
  5. 4 Schematic
    1. 4.1 8
  6. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  7. 6 Configurations
    1. 6.1 Switching Frequency Selection
    2. 6.2 Mode Selection
    3. 6.3 VDD Pin Supply Selection
  8. 7 Test Procedure
    1. 7.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 7.2 Control-Loop Gain and Phase-Measurement Procedure
    3. 7.3 List of Test Points
    4. 7.4 Equipment Shutdown
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

4 Schematic

Figure 4-1 shows the schematic of the TPS548A20EVM-737 .

The TPS548A20 device is similar to the TPS549A20 device which offers PMBus interface. Table 4-1 lists the differences in pin functions of the TPS548A20 and TPS549A20.

Table 4-1 Device Pin-Out Difference Summary
PIN NO.PIN NAMES
TPS549A20TPS548A20
26ALERTNC
27SDAGND1
28SCLGND1