TIDT291 June   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

Switching

Switching behavior is shown in the following figures.

GUID-20220607-SS0I-GN3N-JRRM-77W88DFGFHMC-low.jpg Figure 3-1 SW Node - Primary FET (Q3): 10-V Input, 1.2-A Output
GUID-20220607-SS0I-RMTC-55M3-4HWCJVLGJW1B-low.jpg Figure 3-2 Primary FET (Q3): 24-V Input, 1.2-A Output
GUID-20220607-SS0I-XPRW-JBKX-XWNP7S5ZCNWF-low.jpg Figure 3-3 SW Node - Primary FET (Q3): 28.8-V Input, 1.2-A Output
GUID-20220607-SS0I-ZFL8-ZWFG-P0FKB51Q2HL9-low.jpg Figure 3-4 Diode (D2): 10-V Input, 1.2-A Output
GUID-20220607-SS0I-VBMM-ZFHP-LQQKLB7SRDRM-low.jpg Figure 3-5 Diode (D2): 24-V Input, 1.2-A Output
GUID-20220607-SS0I-6KFZ-JTZ9-PSPJ5V5NDDVX-low.jpg Figure 3-6 Diode (D2): 28.8-V Input, 1.2-A Output
GUID-20220607-SS0I-MXBZ-SW2W-ZL7DFFW4N4BW-low.jpg Figure 3-7 SW Pin - Buck (U6): 24-V Input, 1.63-A Output