SLUU252B April   2006  – March 2022 TPS51124

 

  1.   Trademarks
  2. 1Description
  3. 2Electrical Performance
  4. 3Schematic
  5. 4Test Setup and Results
    1. 4.1 Test Setup
    2. 4.2 Test Procedure
    3. 4.3 Start-Up Performance
    4. 4.4 Transient Performance
  6. 5Configuration
    1. 5.1 Switching Frequency Selection
    2. 5.2 Bootstrap Diode Selection
  7. 6EVM Assembly Drawing and PCB Layout
  8. 7List of Materials
  9. 8References
  10. 9Revision History

5.1 Switching Frequency Selection

Switching frequency can be set by the TONSEL pin using JP1 on the EVM. The default setting is medium.

Table 5-1 Switching Frequency Selection
Jumper (JP1) Set to TONSEL Frequency(1)
Typ CH1 CH2
Top(1-2 pin shorted) GND Slow 240 kHz 300 kHz
CENTER(3-4 pin shorted) Float Medium 300 kHz 360 kHz
Bottom(5-6 pin shorted) V5FILT Fast 360 kHz 420 kHz
(1) Frequencies are approximate.