TIDT399 July   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Thermal Images
    3. 2.3 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
  8.   Trademarks

3.1 Switching

Figure 3-1 through Figure 3-4 show the switch node voltage waveforms of the converter at 12V input and –7.5V and –12V output at no load and 4A load conditions.

PMP23241 Switch Node Voltage, 12V Input, –7.5V Output, No Load Figure 3-1 Switch Node Voltage, 12V Input, –7.5V Output, No Load
PMP23241 Switch Node Voltage, 12V Input, –7.5V Output, 4A Load Figure 3-2 Switch Node Voltage, 12V Input, –7.5V Output, 4A Load
PMP23241 Switch Node Voltage, 12V Input, –12V Output, No Load Figure 3-3 Switch Node Voltage, 12V Input, –12V Output, No Load
PMP23241 Switch Node Voltage, 12V Input, –12V Output, 4A Load Figure 3-4 Switch Node Voltage, 12V Input, –12V Output, 4A Load