TIDT343 October   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
    5. 2.5 EMI
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence

2.4 Bode Plots

Bode plots are shown in the following figures.

GUID-20230918-SS0I-X7MS-2H3T-HJKJNGMDKGLL-low.jpg
6.0 VIN, 3.0 A load current: fco 20.2 kHz, 62 deg phase margin, –19 dB gain margin
12.0 VIN, 3.0 A load current: fco 23.1 kHz, 66 deg phase margin, –18 dB gain margin
26.0 VIN, 3.0 A load current: fco 22.2 kHz, 67 deg phase margin, –18 dB gain margin
Figure 2-4 Bode Plot VOUT1 = 3.3 V

GUID-20230919-SS0I-G6VT-BMPP-PHKFFQBPZK1N-low.jpg
3.3 VIN, 1.0 A load current: fco 100. 5 kHz, 72.84 deg phase margin, –17 dB gain margin
Figure 2-5 Bode Plot VOUT2 = 1.2 V