Diodes AP1534 - Manual (Page 4)

AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
AP1534
Document number: DS31314 Rev. 6 - 2
4 of 9
www.diodes.com
April 2011
© Diodes Incorporated
Typical Performance Characteristics
306
308
310
312
314
316
318
320
322
324
326
0 2 4 6 8 10 12 14 16 18
V (V)
V vs. Frequency
IN
IN
V = 3.3V,
I = 0.2A
OUT
OUT
F
(
k
H
z)
OS
C
0.780
0.785
0.790
0.795
0.800
0.805
0.810
0.815
0.820
0 2 4 6 8 10 12 14 16 18
V (V)
V vs. V
IN
IN FB
V = 3.3V,
I = 0.2A
OUT
OUT
V (
V
)
FB
-3.0%
-2.0%
-1.0%
0.0%
1.0%
2.0%
3.0%
0 2 4 6 8 10 12 14 16 18
V (V)
Line Regulation
IN
V = 3.3V,
I = 0.2A
OUT
OUT
V
C
H
A
N
G
E
(
%
)
OU
T
-1.0%
-0.8%
-0.6%
-0.4%
-0.2%
0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
0.0 0.5 1.0 1.5 2.0
I (A)
Load Regulation
OUT
V = 5V,
V = 3.3V
IN
OUT
V
C
HAN
G
E
(
%
)
OU
T
0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0
EFF
IC
IEN
CY
(
%
)
I (A)
Efficiency
OUT
V = 3.3V
OUT
V = 5V
OUT