TIDT346 august   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
      1. 2.2.1 6-V Input Voltage
      2. 2.2.2 12-V Input Voltage
      3. 2.2.3 16-V Input Voltage
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
      1. 2.4.1 4.5-V Input Voltage
      2. 2.4.2 6-V Input Voltage
      3. 2.4.3 12-V Input Voltage
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 6-V Input Voltage and 1-A Load
      2. 3.1.2 16-V Input Voltage and 1-A Load
      3. 3.1.3 Overshoot at VIN 12 V and 1-A Load Current
      4. 3.1.4 Undershoot at 12 VIN and 1-A Load Current
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
      1. 3.4.1 6-V Input Voltage
      2. 3.4.2 16-V Input Voltage
    5. 3.5 Start-Up Sequence (1-A Load)
    6. 3.6 Shutdown Sequence
      1. 3.6.1 No Load
      2. 3.6.2 1-A Load

3.1.4 Undershoot at 12 VIN and 1-A Load Current

Figure 3-4 displays the undershoot and ringing of switching wave.

GUID-20230803-SS0I-ZBT2-9QJV-TFGHMG7ZG2ZH-low.png Figure 3-4 Switching Node at 12-V VIN, 1-A IOUT [scale: 6 V / div, 20 ns / div, 500-MHz BW, DC coupling]