5.2 Line and Load Regulation
0.10
1.62
I
LOAD
- Load Current - A
5.020
5.010
5.000
0.48
1.24
2.00
5.015
h
-
E
ff
ic
ie
n
c
y
-
%
EFFICIENCY(V
OUT2
= 5.0 V)
vs
LOADCURRENT
5.005
I
LOAD
- Load Current - A
3.340
h
-
E
ff
ic
ie
n
c
y
-
%
EFFICIENCY(V
OUT1
= 3.3 V)
vs
LOADCURRENT
3.320
3.333
3.330
3.325
3.338
13.2 V
9.6 V
12.0 V
13.2 V
9.6 V
12.0 V
3.323
3.335
0.86
0.10
1.62
0.48
1.24
2.00
0.86
3.328
Figure 5-2. TPS54386EVM Output Voltage verse Load Current V
IN
=9.6-13.2 V, V
OUT1
= 5.0 V I
OUT1
= 0-2 A,
V
OUT2
= 3.3 V I
OUT2
= 0-2 A
5.3 Output Voltage Ripple
Figure 5-3. TPS54386EVM Output Voltage Ripple (V
IN
= 13.2 V, I
OUT1
= I
OUT2
= 2 A)
TPS54386EVM Typical Performance Data and Characteristic Curves
12
TPS54x86 Step-Down Converter Evaluation Module User's Guide
SLUU286A – MARCH 2008 – REVISED OCTOBER 2021
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