TIDT291 June   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

3.4 Start-Up Sequence

The following images show the start-up sequence waveforms.

GUID-20220607-SS0I-H2DD-LMPH-2HPBZ5CKP5BK-low.jpg
C1 = VIN; C2 = 24 V (output)
Figure 3-13 Flyback: 24-V Input, No Load
GUID-20220607-SS0I-XFMM-4N7W-NTHSRS0ZKXJQ-low.jpg
C1 = VIN; C2 = 24 V (output)
Figure 3-14 Flyback: 24-V Input, Full Load
GUID-20220607-SS0I-28FJ-8C1Z-6NBJZPCXXLVV-low.jpg
C1 = 24 V (external source); C2 = 5 V (output)
Figure 3-15 Buck: 24-V Input, No Load
GUID-20220607-SS0I-CM4H-XN5Q-6RPHZRBGFGRR-low.jpg
C1 = 24 V (external source); C2 = 5 V (output)
Figure 3-16 Buck: 24-V Input, Full Load