SLUUBE0A November   2015  – August 2021 TPS549A20

 

  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
  6. 5 Test Setup
    1. 5.1 Test Equipment
    2. 5.2 Recommended Test Setup
  7. 6 Configurations
    1. 6.1 PMBus Address 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 PMBUS Setup and Verification
    3. 7.3 Control-Loop Gain and Phase-Measurement Procedure
    4. 7.4 List of Test Points
    5. 7.5 Equipment Shutdown
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

6.2 Mode Selection

The MODE can be set by J5.

Table 6-2 Mode Selection
JUMPER SET TO:MODE SELECTION
1 to 2 pin shortedFCCM with 2x RC time constant
3 to 4 pin shorted(1)FCCM(2) with 1x RC time constant(1)
5 to 6 pin shortedFCCM(2) with 2x RC time constant
7 to 8 pin shortedAuto-skip mode with 2× RC time constant
9 to 10 pin shortedAuto-skip mode with 1× RC time constant
(1) Default setting.
(2) The device enters FCCM after PGOOD goes high.
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