TIDT334 September   2023 UCD3138

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  7. 2Testing and Results
    1. 2.1 Bode Plots
    2. 2.2 Thermal Images
  8. 3Waveforms
    1. 3.1 Load Transients
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-Up Sequence
    4. 3.4 Overcurrent Protection
    5. 3.5 Input Voltage Protection

Load Transients

Load transient response waveforms are shown in the following figures.

Channel 1 is the AC portion of the output voltage, channel 2 is one of the primary drive signals, channel 3 is the primary resonant current, and channel 4 is load current.

GUID-20230915-SS0I-TKTP-BTNH-PFNB8HK0SLQ9-low.pngFigure 3-1 Load Transient of 400-V, 0% -100%,
5 ms-5 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-G3NZ-FKXC-S9GGD0MJHV63-low.pngFigure 3-3 Load Transient of 400-V, 0%-150%,
1 ms-0.1 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-6VSL-2FHM-S7JCNMVVZKQN-low.pngFigure 3-5 Load Transient of 380-V, 0%-100%,
0.1 ms-0.1 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-PSF8-0Z78-WVJSSWZNHCMW-low.pngFigure 3-7 Load Transient of 420-V, 0%-100%,
0.1 ms-0.1 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-PSF8-0Z78-WVJSSWZNHCMW-low.pngFigure 3-2 Load Transient of 400-V, 0%-100%,
0.1 ms-0.1 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-RTHR-NSX1-ZSD8V0BXG4JQ-low.pngFigure 3-4 Load Transient of 380-V, 0%-100%,
5 ms-5 ms, 2.5-A/µs Slew Rate
GUID-20230915-SS0I-SP4W-RPS7-JV191DPSGW56-low.pngFigure 3-6 Load Transient of 420-V, 0%-100%,
5 ms-5 ms, 2.5-A/µs Slew Rate