Texas Instruments TPS51220A EVM-476, Руководство пользователя

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7 Performance Data and Typical Characteristic Curves
7.1 Efficiency
0.01 0.10 1.00 10.00
I
LOAD
- Load Current - A
0
20
40
60
80
100
10
30
50
70
90
h
-
E
ff
ic
ie
n
c
y
-
%
AUTOSKIP
OOA
CCM
Figure 7-1. Efficiency, 12 V
IN
, 5.0-V Output
0.01 0.10 1.00 10.00
I
LOAD
- Load Current - A
0
20
40
60
80
100
10
30
50
70
90
h
-
E
ff
ic
ie
n
c
y
-
%
AUTOSKIP
OOA
CCM
Figure 7-2. Efficiency, 12 V
IN
, 3.3-V Output
7.2 Load Regulation
0 3 6 9
I
LOAD
- Load Current - A
4.95
4.97
4.99
5.01
5.03
5.05
4.96
4.98
5.00
5.02
5.04
V
O
U
T
-
O
u
tp
u
t
V
o
lt
a
g
e
-
V
8 7 5 4 2 1
AUTOSKIP
OOA
CCM
Figure 7-3. 12 V
IN
, 5.0-V Load Regulation
0 3 6 9
I
LOAD
- Load Current - A
3.25
3.26
3.28
3.29
3.32
3.27
3.30
3.31
V
O
U
T
-
O
u
tp
u
t
V
o
lt
a
g
e
-
V
8 7 5 4 2 1
AUTOSKIP
OOA
CCM
Figure 7-4. 12 V
IN
, 3.3-V Load Regulation
www.ti.com Performance Data and Typical Characteristic Curves
SLUU381B – SEPTEMBER 2009 – REVISED FEBRUARY 2022
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TPS51220A Buck Controller Evaluation Module User's Guide 11
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