Datasheet
4.3 Start-Up Performance
ENC (5 V/div)
V
OUT1
(2 V/div)
PGOOD (5 V/div)
ENC (5 V/div)
V
OUT2
(2 V/div)
PGOOD (5 V/div)
4.4 Transient Performance
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Test Setup and Results
Figure 3. 5-V Startup Waveforms Figure 4. 3.3-V Startup Waveforms
Figure 5. 5-V Load Transient Response Figure 6. 3.3-V Load Transient Response
SLUU340 – FEBRUARY 2009 High Performance Synchronous Buck EVM Using the TPS51123 5
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