Diodes AP6503A - Manual (Page 6)

AP6503A
Document number: DS36000 Rev. 2 - 2
6 of 15
www.diodes.com
December 2012
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UC
T
AP6503A
Typical Performance Graphs
(cont.) (V
IN
= 12V, V
OUT
= 3.3V, T
A
= +25°C, unless otherwise specified.)
40
45
50
55
60
65
70
75
80
85
90
LOAD CURRENT (A)
Efficiency vs. Load Current
E
F
F
ICI
E
NCY
(
%
)
V = 12V
IN
V = 5V
IN
V = 1.2V
L = 3.3µH
OUT
40
45
50
55
60
65
70
75
80
85
90
LOAD CURRENT (A)
Efficiency vs. Load Current
EF
FI
C
IE
N
C
Y
(%)
V = 12V
IN
V = 5V
IN
V = 1.8V
L = 3.3µH
OUT
40
50
60
70
80
90
100
0.2 0.6 1 1.4
LOAD CURRENT (A)
Efficiency vs. Load Current
1.8 2.2 2.6 3
EF
FI
C
IENCY (
%
)
V = 12V
V = 5V
L = 10µH
IN
OUT