Datasheet

PH node = 5 V/div
V = 200 mV/div
IN
AC coupled
Time = 1 µs/div
V = 20 mV/div
OUT
AC coupled
Time = 1 µs/div
PH node = 5 V/div
100 1k 10k 100k
−30
−20
−10
0
10
20
30
40
50
−90
−60
−30
0
30
60
90
120
150
Frequency (Hz)
Gain (dB)
Phase (°)
Mag
Phase
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Figure 5. TPS54020EVM-082 Loop Bode Response
2.7 Output Voltage Ripple
Figure 6 shows the TPS54020EVM-082 output voltage ripple. The output current is the rated full load of
10 A and V
IN
= 12 V. The ripple voltage is measured directly across the output capacitors.
Figure 6. TPS54020EVM-082 Output Ripple
2.8 Input Voltage Ripple
Figure 7 shows the EVM input voltage ripple. The output current is the rated full load of 10 A and V
IN
= 12
V. The ripple voltage is measured directly across the input capacitors.
Figure 7. TPS54020EVM-082 Input Ripple
7
SLVU777–September 2012 TPS54020EVM-082 Evaluation Module (PWR082)
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