Diodes AP1604 - Manual (Page 4)

AP1604A
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
AP1604A Rev. 2 4 of 7 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Typical Performance Characteristics
Vcc vs. Operating Current Vcc vs. Quiescent Current
0
20
40
60
80
100
120
140
160
180
200
2.5 3 3.5 4 4.5 5 5.5
Vcc (V)
O
perat
ing C
u
rrent
(uA)
0
20
40
60
80
100
120
140
160
180
200
2.5 3 3.5 4 4.5 5 5.5
Vcc (V)
Q
u
iesc
ent
C
u
rrent
(uA)
Vcc vs. Stand-by Current Vcc vs. Frequency
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
2.5 3 3.5 4 4.5 5 5.5
Vcc (V)
S
tand-
by
Cur
re
nt
(
u
A
)
500
520
540
560
580
600
620
640
660
680
700
2.5 3 3.5 4 4.5 5 5.5
Vcc (V)
F
requenc
y (KH
z
)
Vcc vs. Current Limit Vcc vs. R
DS(ON)
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
3 3.5 4 4.5 5 5.5
Vcc (V)
Cur
rent
Lim
it
(
A
)
Current Limit
Vout=2V
0
100
200
300
400
500
600
2.5 3 3.5 4 4.5 5 5.5
R
DS
(O
N)
(m
Ω
)
Vcc (V)