SLUUBG3B July   2016  – August 2021 TPS548D21

 

  1.   Trademarks
  2. Introduction
  3. Description
    1. 2.1 Typical End-User Applications
    2. 2.2 EVM Features
  4. EVM Electrical Performance Specifications
  5. Schematic
  6. Test Equipment
  7. PWR-784EVM
  8. List of Test Points, Jumpers, and Switch
  9. Test Procedure
    1. 8.1 Line and Load Regulation Measurement Procedure
    2. 8.2 Efficiency
    3. 8.3 Equipment Shutdown
  10. Performance Data and Typical Characteristic Curves
    1. 9.1 Efficiency
    2. 9.2 Load Regulation
    3. 9.3 Line Regulation
    4. 9.4 Transient Response
    5. 9.5 Output Ripple
    6. 9.6 Control On
    7. 9.7 Control Off
    8. 9.8 Thermal Image
  11. 10EVM Assembly Drawing and PCB Layout
  12. 11List of Materials
  13. 12Revision History

List of Test Points, Jumpers, and Switch

Table 7-1 Test Point Functions
ItemTypeNameDescription
TP5T-H loopSWPower supply Switch node
TP7T-H loopCH-AMeasure loop stability
TP6T-H loopCH-BMeasure loop stability
TP2T-H loopLocS+Sense VOUT + locally across C5. Use for efficiency and ripple measurements
TP10T-H loopLocS-Sense VOUT– locally across C5. Use for efficiency and ripple measurements
TP3T-H loopRemS+Remote sense +
TP11T-H loopRemS-Remote sense –
TP4T-H loopPVINSense VIN + across C10
TP13T-H loopPGNDSense VIN – across C10
TP1T-H loopVDDSupplies the internal circuitry
TP17T-H loopFSELMonitor the FSEL external resistor divider ratio during initial power up.
TP15T-H loopVSELMonitor the VSEL external resistor divider ratio during initial power up.
TP9T-H loopBPLDO output
TP8T-H loopPGPower good
TP16T-H loopMODEMonitor the MODE external resistor divider ratio during initial power up.
TP12T-H loopILIMProgram over-current limit.
TP14T-H loopREFIN_TRKSystem reference voltage that can be overridden by the external voltage source for the tracking and sequencing application.
TP19T-H loopPGNDCommon GND
TP18T-H loopPGNDCommon GND
TP20T-H loopCLKNot used
TP21T-H loopDATANot used
TP22T-H loopALERTNot used
JP42-pin jumperCNTLShunts control pin to GND