Texas Instruments 2.95V to 6V, 4A SWIFT(tm) Converter Evaluation Module TPS54418EVM-375 TPS54418EVM-375 데이터 시트
제품 코드
TPS54418EVM-375
2.5
Load Transients
Vout = 50 mV / div (ac coupled)
Iout = 1 A / div (1 A to 3 A load step)
Time = 600 μsec / div
2.6
Loop Characteristics
-60
-50
-10
0
10
20
30
40
50
60
100
1k
10k
100k
1M
Frequency(f) - Hz
Gain-dB
-120
-30
0
60
90
180
Phase(°)-deg
-20
-30
-40
-180
-150
-90
-60
30
120
150
Gain
Phase
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Test Setup and Results
shows the TPS54318EVM-375 response to load transients. The current step is from 25% to 75%
of maximum rated load at 3.3 V input. Total peak-to-peak voltage variation is as shown, including ripple
and noise on the output.
and noise on the output.
Figure 5. TPS54418EVM-375 Transient Response
shows the TPS54418EVM-375 loop-response characteristics. Gain and phase plots are shown
for V
IN
voltage of 3.3 V. Load current for the measurement is 4 A.
Figure 6. TPS54418EVM-375 Loop Response
SLVU280 – May 2009
TPS54418EVM-375 4-A, SWIFT™ Regulator Evaluation Module
7