0
2
6
12
I
LOAD
– Load Current - A
0
100
4
10
30
70
–
E
ff
ic
ie
n
c
y
-
%
EFFICIENCY
vs
LOAD CURRENT
10.0 V
12.0 V
13.2 V
10
20
40
50
60
80
90
8
0
2
6
12
I
LOAD
– Load Current - A
0
4
10
30
70
p
–
E
ff
ic
ie
n
c
y
-
%
EFFICIENCY
vs
LOAD CURRENT
10.8 V
12.0 V
13.2 V
10
20
40
50
60
80
90
8
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Performance Data and Typical Characteristic Curves
8
Performance Data and Typical Characteristic Curves
Figure 9
through
Figure 12
present typical performance curves for UCD9224EVM-464.
8.1
Efficiency
Figure 9. 2.5-V Efficiency (1.2-V no load)
8.2
Output Ripple
Figure 10. 1.2-V Efficiency (2.5-V no load)
19
SLUU443 – March 2011
UCD9224EVM-464 Digitally Controlled Dual-Rail POL
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