Ap1635, Typical performance characteristics, Pwm/pfm dual mode step-down dc/dc converter – Diodes AP1635 User Manual
Page 5

AP1635
PWM/PFM DUAL MODE STEP-DOWN DC/DC
CONVERTER
AP1635 Rev. 4
5 of 8
FEBRUARY 2009
©
Diodes Incorporated
Typical Performance Characteristics
Vcc vs. Operating Current
Vcc vs. Quiescent Current
Icc (uA)
0
20
40
60
80
100
120
140
160
180
200
2.5
3
3.5
4
4.5
5
Vcc (V)
O
perat
ing Current (uA)
0
20
40
60
80
100
120
140
160
180
200
2.5
3
3.5
4
4.5
5
Vcc (V)
Q
u
ies
cent Current
(uA)
Vcc vs. Stand-by Current
Vcc vs. Frequency
4
4.5
5
5.5
6
6.5
7
7.5
8
2.5
3
3.5
4
4.5
5
Vcc (V)
Stand-by C
u
rrent
(uA)
600
620
640
660
680
700
720
740
760
780
800
2.5
3
3.5
4
4.5
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
Vc c
C
u
rr
e
n
t L
im
it (
A
)
Current Limit
Vout=2V
0
100
200
300
400
500
600
2.5
3
3.5
4
4 .5
5
R
DS
(O
N
)
(m
Ω
)
Vcc (V)
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