Datasheet

V = 100 mV / div (ac coupled)
OUT
Time = 200 µsec / div
I = 2 A / div
OUT
Load step = 2.25 - 6.75 A, slew rate = 100 mA / µsec
-0.05
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
4 6 8 10 12 14 16 18
Line Rgulation - %
Input Voltage - V
C004
I
OUT
= 4.5 A
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2.4 Output Voltage Line Regulation
Figure 4 shows the line regulation for the TPS56921EVM-188.
Figure 4. TPS56921EVM-188 Line Regulation
2.5 Load Transients
Figure 5 shows the TPS56921EVM-188 response to load transients. The current step is from 25% to 75%
of maximum rated load at 12-V input. The current step slew rate is 100 mA/µs. Total peak-to-peak voltage
variation is as shown, including ripple and noise on the output.
Figure 5. TPS56921EVM-188 Transient Response
7
SLVU793–October 2012 TPS56921EVM-188, 9-A, SWIFT™ Regulator Evaluation Module
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