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0.995
0.997
0.999
1.001
0.996
0.998
1.000
1.003
1.005
1.002
1.004
V
OUT
- Output Voltage (Normalized) - V
V
OUT
= 5.0 V
V
IN
(V)
9.6
12.0
13.2
V
IN
= 12.0 V
V
IN
= 9.6 V
V
IN
= 13.2 V
0 0.5 1.0 1.5 2.0 2.5 3.0
I
OUT
- Load Current - A
0.995
0.997
0.999
1.001
0.996
0.998
1.000
1.003
1.005
1.002
1.004
V
OUT
- Output Voltage (Normalized) - V
V
OUT
= 3.3 V
V
IN
(V)
9.6
12.0
13.2
V
IN
= 12.0 V
V
IN
= 9.6 V
V
IN
= 13.2 V
0 0.5 1.0 1.5 2.0 2.5 3.0
I
OUT
- Load Current - A
1 k 10 k 100 k
f - Frequency -Hz
-80
-20
0
60
80
-60
20
Gain - dB
-40
40
-180
-90
-45
45
90
-135
0
180
135
Phase - °
300 k
Gain Phase
5.0 V
3.3 V
TPS54383 , , TPS54386
SLUS774B – AUGUST 2007 – REVISED OCTOBER 2007
Figure 43. 5.0-V Output Voltage vs. Load Current Figure 44. 3.3-V Output Voltage vs. Load Current
Figure 45. Example 1 Loop Response
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Product Folder Link(s): TPS54383 TPS54386