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

5.2 Soft-Start Selection

The soft-start time can be set by J2.

Default setting: 0.7 ms

Table 5-2 Soft-Start Selection
Jumper Set ToRMODE Connections (Ω)Soft-Start Time (ms)
Top (1-2 pin shorted)39.2 k0.7
Second (3-4 pin shorted)100 k1.4
Third (5-6 pin shorted)200 k2.8
Bottom (7-8 pin shorted)475 k5.6
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