Datasheet

V 500 mV/div
OUT
Time 2 ms/div
V 2 V/div
IN
VREG5 2 V/div
I 50 mA/div
IN
V 500 mV/div
OUT
Time 2 ms/div
V 2 V/div
IN
VREG5 2 V/div
I 50 mA/div
IN
V 500 mV/div
OUT
Time 2 ms/div
EN 2 V/div
VREG5 2 V/div
I 1 A/div
IN
V 500 mV/div
OUT
Time 50 µs/div
EN 2 V/div
VREG5 2 V/div
I 1 A/div
IN
Test Setup and Results www.ti.com
4.10 Start-Up and Shut-Down
The TPS54428EVM-052 start-up and shut-down waveforms relative to V
IN
with no load are shown in
Figure 12 and Figure 13.
Figure 12. TPS54428EVM-052 Start-Up Relative to V
IN
Figure 13. TPS54428EVM-052 Shut-down Relative to
V
IN
The TPS54428EVM-052 start-up and shut-down waveforms relative to enable (EN) with no load are
shown in Figure 14 and Figure 15.
Figure 14. TPS54428EVM-052 Start-Up Relative to EN Figure 15. TPS54428EVM-052 Shut-down Relative to
EN
10
TPS54428, 4-A, SWIFT™ Regulator Evaluation Module SLVU578–December 2011
Submit Documentation Feedback
Copyright © 2011, Texas Instruments Incorporated