Texas Instruments 6A, 3V to 6V Input, SWIFT Converter Evaluation Module TPS54617EVM-414 TPS54617EVM-414 Datenbogen
Produktcode
TPS54617EVM-414
2.5
Load Transients
t − Time − 5 s/div
m
V
OutputV
O
−
oltage
−
10mV/div
V = 5 V
I
V = 1.8 V
O
2.6
Loop Characteristics
-60 dB
-40 dB
-30 dB
-20 dB
-10 dB
0 dB
10 dB
20 dB
30 dB
60 dB
-180 deg
-120 deg
-90 deg
-60 deg
-30 deg
0 deg
30 deg
60 deg
90 deg
120 deg
180 deg
1-Gain
1-Phase
Frequency
100 kHz
Phase
1M
40 dB
50 dB
-50 dB
100 Hz
1 kHz
10 kHz
Gain
150 deg
-150 deg
Test Setup and Results
www.ti.com
The TPS54617EVM-414 response to load transients is shown in
. The current step (displayed at 2
A / div) is from 25% to 75% of maximum rated load (1.5 to 4.5 A) at 5 V input. Total peak-to-peak voltage
variation is as shown, including ripple and noise on the output.
variation is as shown, including ripple and noise on the output.
Figure 4. TPS54617EVM-414 Transient Response
The TPS54617EVM-414 loop-response characteristics are shown in
. Gain and phase plots are
shown for V
IN
voltage of 5 V. Load current for the measurement is 3 A.
Figure 5. TPS54617EVM-414 Loop Response
TPS54617EVM-414 6-A, SWIFT™ Regulator Evaluation Module
6
SLVU279 – December 2008