TIDT235 April   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Required Equipment
    3. 2.3 Dimensions
  3. 3Testing and Results
    1. 3.1 Efficiency Graphs
    2. 3.2 Efficiency Data
    3. 3.3 Thermal Images
    4. 3.4 Load Regulation
  4. 4Waveforms
    1. 4.1 Switching
    2. 4.2 Output Voltage Ripple
    3. 4.3 Load Transients
    4. 4.4 Start-up Sequence

4.4 Start-up Sequence

Start-up behavior is shown in the following figures.

GUID-20210222-CA0I-JG0R-XBTL-5WQXZN2LSM3H-low.png
CH1: VIN, CH3: VOUT, CH4: IOUT
Figure 4-17 3.3-V Input,48-V no Load
GUID-20210222-CA0I-QV4Q-HGKC-SLNQN5PDPLBW-low.png
CH1: VIN, CH3: VOUT, CH4: IOUT
Figure 4-19 5-V Input, 48-V no Load
GUID-20210222-CA0I-K9RC-KQQ9-GTBFRXXTCLTT-low.png
CH1: VIN, CH3: VOUT, CH4: IOUT
Figure 4-18 3.3-V Input, 48-V, 10-mA Load
GUID-20210222-CA0I-G6LK-8X0J-BQLXFP9RLNRL-low.png
CH1: VIN, CH3: VOUT, CH4: IOUT
Figure 4-20 5-V Input, 48-V, 20-mA Load