Diodes AP1530 - Manual (Page 6)

AP1530
18V 3A 300KHz BUCK CONVERTER
AP1530 Rev. 7 6 of 12 NOVEMBER 2009
DS31092 www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
V
IN
vs. Frequency
(V
OUT
=3.3V; I
OUT
=0.2A)
320
322
324
326
328
330
332
334
336
338
340
2 4 6 8 10 12 14 16 18 20 22
V
IN
(V)
F
OS
C
(k
H
z
)
V
IN
vs. V
FB
(V
OUT
=3.3V; I
OUT
=0.1A)
0.780
0.785
0.790
0.795
0.800
0.805
0.810
0.815
0.820
2 4 6 8 10 12 14 16 18 20 22
V
IN
(V)
V
FB
(V
)
Line Regulation
(V
OUT
=3.3V; I
OUT
=0.2A)
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.40
2 4 6 8 10 12 14 16 18 20 22
V
IN
(V)
V
OU
T
(V
)
Load Regulation
(V
IN
=12V; V
OUT
=5V)
4.92
4.93
4.94
4.95
4.96
4.97
4.98
4.99
5.00
0 0.5 1 1.5 2 2.5 3
I
OUT
(A)
V
OU
T
(A
)
Efficiency
V
IN
=5V; V
OUT
=3.3V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0 0.5 1 1.5 2 2.5 3
I
OUT
(A)
E
ff
ici
ency
(
%
)