SLUUCR2 October   2023 TPSM843620

 

  1.   1
  2.    TPSM843620EVM 6-A, SWIFT™ Regulator Evaluation Module
  3.   Trademarks
  4. 1Introduction
    1. 1.1 Background
    2. 1.2 Before You Begin
    3. 1.3 Performance Characteristics Summary
  5. 2Configurations and Modifications
    1. 2.1 Output Voltage
    2. 2.2 Switching Frequency (SYNC/FSEL Pin)
    3. 2.3 Current Limit, Soft-Start Time, and Internal Compensation (MODE Pin)
    4. 2.4 Adjustable UVLO
  6. 3Test Setup and Results
    1. 3.1  Input/Output Connections
    2. 3.2  BOM Modifications for Spins
    3. 3.3  Efficiency
    4. 3.4  Output Voltage Regulation
    5. 3.5  Load Transient and Loop Response
    6. 3.6  Output Voltage Ripple
    7. 3.7  Input Voltage Ripple
    8. 3.8  Start-up and Shutdown with EN
    9. 3.9  Start-up and Shutdown with VIN
    10. 3.10 Start-up Into Pre-Bias
    11. 3.11 Thermal Performance
  7. 4Board Layout
    1. 4.1 Layout
  8. 5Schematic and Bill of Materials
    1. 5.1 Schematic
    2. 5.2 Bill of Materials

2.2 Switching Frequency (SYNC/FSEL Pin)

Jumper J5 can be used to select between the switching frequency options shown in Table 2-2.

Table 2-2 SYNC/FSEL Selection
JUMPER SETTING SYNC/FSEL RESISTOR SWITCHING FREQUENCY
1 to 2 pin shorted 24.3 kΩ 500 kHz
3 to 4 pin shorted 17.4 kΩ 750 kHz
5 to 6 pin shorted(1) 11.8 kΩ 1000 kHz
7 to 8 pin shorted 8.06 kΩ 1500 kHz

9 to 10 pin shorted

 4.99 kΩ 2200 kHz
(1) Default Setting