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4.3 Start-Up Performance
ENC (5 V/div)
V
OUT1
(2 V/div)
PGOOD (5 V/div)
Figure 4-2. 5-V Start-Up Waveforms
ENC (5 V/div)
V
OUT2
(2 V/div)
PGOOD (5 V/div)
Figure 4-3. 3.3-V Start-Up Waveforms
4.4 Transient Performance
Figure 4-4. 5-V Load Transient Response
Figure 4-5. 3.3-V Load Transient Response
Test Setup and Results
SLUU340A – FEBRUARY 2009 – REVISED JANUARY 2022
TPS51123 Buck Controller Evaluation Module User's Guide
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