TIDT324 February   2023

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Dimensions
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transient
    4. 3.4 Start-Up

3.1 Switching

#FIG_Z3J_FHK_2MB to #FIG_D5S_5QM_JWB show the switch node voltage of the converter at 12-V input and –0.8-V output at no load, 2.7-A load, and 4-A load conditions.

GUID-20230202-SS0I-CTRK-CLPK-SL4KCJMGZX4C-low.png Figure 3-1 Switch Node Voltage, 12-V Input, –8-V Output, No Load
GUID-20230202-SS0I-R56F-B9KJ-DWC2JLVNZP9P-low.png Figure 3-2 Switch Node Voltage, 12-V Input, –8-V Output, 2.7-A Load

GUID-20230202-SS0I-BBCT-VBBG-J4B6T1FZKNXB-low.png

Figure 3-3 Switch Node Voltage, 12-V Input, –8-V Output, 4-A Load