Datasheet
Frequency - Hz
Gain - dB
Phase - Degrees
-180
-150
-120
-90
-60
-30
0
30
60
90
120
150
180
-60
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
1
00 1000 10000 100000 1000000
Gain
Phase
V = 20 mV / div (ac coupled)
OUT
PH = 5 V / div
Time = 1 µsec / div
Test Setup and Results
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2.6 Loop Characteristics
Figure 6 shows the TPS54622EVM-012 loop-response characteristics. Gain and phase plots are shown
for V
IN
voltage of 12 V. Load current for the measurement is 1.9 A.
Figure 6. TPS54622EVM-012 Loop Response
2.7 Output Voltage Ripple
Figure 7 shows the TPS54622EVM-012 output voltage ripple. The output current is the rated full load of 6
A and V
IN
= 12 V. The ripple voltage is measured directly across the output capacitors.
Figure 7. TPS54622EVM-012 Output Ripple
8
TPS54622EVM-012, 6-A, SWIFT™ Regulator— Evaluation Module SLVU441A–May 2011–Revised September 2011
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