Datasheet

10 100 1k 10k 100k 1M
−60
−40
−20
0
20
40
60
−180
−120
−60
0
60
120
180
Frequency (Hz)
Gain (dB)
Phase (°)
Gain
Phase
G006
V
OUT
= 10 mV /div
2 s /divμ
PH = 20 V /div
Inductor Current = 200 mA /div
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2.7 Loop Characteristics
The TPS54061EVM-142 loop-response characteristics are shown in Figure 7 . Gain and phase plots are
shown for V
IN
voltage of 24V. Load current for the measurement is 0.2A.
Figure 7. TPS54061EVM-142 Loop Response
2.8 Output Voltage Ripple
The TPS54061EVM-142 CCM output voltage ripple is shown in Figure 8 . The output current is the rated
full load of 0.2A and V
IN
= 24V. The ripple voltage is measured directly across the output capacitors.
Figure 8. TPS54061EVM-142 Output Ripple CCM
The TPS54061EVM-142 DCM output voltage ripple is shown in Figure 9 . The output current is 0.02A and
V
IN
= 24V. The ripple voltage is measured directly across the output capacitors.
7
SLVU721–May 2012 Evaluation Module for TPS54061 Synchronous Step-Down SWIFT
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