TIDT282 May   2022

 

  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
    4. 1.4 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Output Voltage Regulation
    4. 2.4 Thermal
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-Up Sequence
    4. 3.4 Shutdown Sequence

3.3 Start-Up Sequence

The behavior of the converter, showing VIN and the output voltage, is shown in Figure 3-5 and Figure 3-6. The input voltage has been set to 5 V.

GUID-20220427-SS0I-0PZM-L81X-TM8SS8VGQ4DT-low.png
C3: Output Voltage (2 V/div, 5 ms/div, 20-MHz BWL)
C4: Input Voltage (2 V/div, 20-MHz BWL)
IOUT = 750 mA
Figure 3-5 Start-Up With IOUT = 750 mA
GUID-20220427-SS0I-RV4W-D58J-ZGR7LNZQFDRV-low.png
C3: Output Voltage (2 V/div, 5 ms/div, 20-MHz BWL)
C4: Input Voltage (2 V/div, 20-MHz BWL)
IOUT = 0 mA
Figure 3-6 Start-Up With IOUT = 0 A