TIDT290 August   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
    5. 3.5 Shutdown Sequence
    6. 3.6 Input Voltage Ripple

Load Transients

Load transient response is shown in the following figures.

GUID-20220524-SS0I-LFXM-XTTL-7QPZX4WFBQV5-low.jpg

Input voltage = 230 VAC

Load step output 2 = 3.3 V at 0.75 A–1.5 A

Figure 3-5 230-VAC Input, 3.3-V Output Load Transient
GUID-20220524-SS0I-JQ9W-W7RH-WFXGLT8J4CX0-low.jpg

Input voltage = 230 VAC

Load step output 1 = 12 V at 1.5 A–2.2 A

Figure 3-6 230-VAC Input, 12-V Output Load Transient