Texas Instruments AN-1922 LM48511, User Manual, Page: 9 / 15

100
50
40
60
70
90
30
20
0.4 0
0
LOAD CURRENT (A)
EF
F
IC
IEN
C
Y
(%
)
0.05 0.10 0.15 0.20 0.25 0.30 0.35
80
10
100
50
40
60
70
90
30
20
0.7 0
0
LOAD CURRENT (A)
EF
F
IC
IEN
C
Y
(%
)
0.1 0.2 0.3 0.4 0.5 0.6
80
10
100
50
40
60
70
90
30
20
0.6 0
0
LOAD CURRENT (A)
EF
F
IC
IEN
C
Y
(%
)
0.1 0.2 0.3 0.4 0.5
80
10
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Typical Performance Characteristics
Boost Converter Efficiency Boost Converter Efficiency
vs vs
I
LOAD(DC)
I
LOAD(DC)
V
DD
= 5V, PV
1
= 7.8V V
DD
= 3.6V, PV
1
=7V
Boost Converter Efficiency
vs
I
LOAD(DC)
V
DD
= 3V, PV
1
= 4.8V
9 SNAA064C – November 2008 – Revised May 2013 AN-1922 LM48511 Evaluation Board
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