TIDT260 March   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Load Regulation
    3. 2.3 Line Regulation
    4. 2.4 Thermal Images
      1. 2.4.1 8-V Input Voltage
      2. 2.4.2 18-V Input Voltage
    5. 2.5 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence
    6. 3.6 Shutdown Sequence
    7. 3.7 Spread Spectrum Feature

Output Voltage Ripple

Output voltage ripple is shown in the following figures.

GUID-20220221-SS0I-BCDM-WF5T-MCK2LLQHFMPZ-low.jpg
50 mV / div, 100 ns / div, 20-MHz bandwidth
Figure 3-5 Output Voltage Ripple at 8-V Input Voltage
GUID-20220221-SS0I-2MSR-1T5L-DSS6V7QMBFBN-low.jpg
50 mV / div, 100 ns / div, 20 MHz bandwidth
Figure 3-6 Output Voltage Ripple at 18-V Input Voltage