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

2.3 Thermal Images

The thermal images in #FIG_Z3J_FHK_2MB and #FIG_TGF_GN3_JWB show operation at 12-V input and –8-V output at 2.7-A and 4-A loads, respectively, with no airflow. Thermals images were taken after the board had reached thermal equilibrium.

GUID-20230202-SS0I-NPH7-LCD8-B5F9MKFC9RJ4-low.jpg Figure 2-2 Top Side of Board, 12-V Input, –8-V Output at 2.7-A Load; Tambient ≈ 22°C
GUID-20230202-SS0I-SXFK-ZH6C-VCV29GQLHHLB-low.jpg Figure 2-3 Bottom Side of Board, 12-V Input, –8-V Output at 4-A Load; Tambient ≈ 26°C