SLUAAN0 December   2022 TPS62933F

 

  1.   Designing a Simple and Low-Cost Flybuck Solution With the TPS62933F
  2.   Trademarks
  3. 1Introduction
  4. 2Flybuck Converter Device Overview
    1. 2.1 Operation Description
    2. 2.2 Equations for Maximum Output Current
  5. 3Design Flybuck With TPS62933F
    1. 3.1 Primary Voltage and Turns Ratio
    2. 3.2 Feedback Resistor
    3. 3.3 Rectifier Diode
    4. 3.4 Primary Inductance
    5. 3.5 Primary Turns
    6. 3.6 Input and Output Capacitor
    7. 3.7 Pre-Load
    8. 3.8 Factors Affecting Voltage Regulation
    9. 3.9 Avoiding Low-Side Sink Current Limit
  6. 4Experimental Results
  7. 5Conclusion
  8. 6References

4 Experimental Results

Figure 4-1 through x show the experimental test results of Figure 3-1.

Figure 4-1 Steady State Waveforms (VIN = 10 V, IOUT1 = 1 A, IOUT2 = 0.2 A, and IOUT3 = 0.2 A)
Figure 4-3 Ripple Voltage Waveforms (VIN = 10 V, IOUT1 = 1 A, IOUT2 = 0.2 A, and IOUT3 = 0.2 A)
Figure 4-2 Steady State Waveforms (VIN = 10 V, IOUT1 = 0 A, IOUT2 = 0.2 A, and IOUT3 = 0.2 A)
Figure 4-4 Load Step Response 50 mA to 200 mA (VIN = 10 V, IOUT1 = 0 A, and IOUT3 = 0 A)