Datasheet

100 1000 10000 100000 1000000
−60
−40
−20
0
20
40
60
−180
−120
−60
0
60
120
180
Gain - dB
Phase - °
Frequency - Hz
Gain
Phase
PH = 20 V div
V = 20 mV / div (ac coupled)
OUT
Inductor Current = 100 mA / div
Time = 1 usec / div
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Figure 6. TPS5401EVM-708 Loop Response
2.7 Output Voltage Ripple
The TPS5401EVM-708 output voltage ripple is shown in Figure 7 . The output current is the rated full load
of 0.5 A and V
IN
= 24 V. The ripple voltage is measured directly across the output capacitors.
Figure 7. TPS5401EVM-708 Output Ripple
2.8 Input Voltage Ripple
The TPS5401EVM-708 input voltage ripple is shown in Figure 8 . The output current is the rated full load
of 0.5 A and V
IN
= 24 V. The ripple voltage is measured directly across the input capacitors.
7
SLVU430–January 2011 TPS5401EVM-708 0.5-A, SWIFT™ Regulator Evaluation Module
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