Diodes AP7331 - Manual (Page 5)

AP7331
300mA, LOW QUIESCENT CURRENT, FAST TRANSIENT
LOW DROPOUT LINEAR REGULATOR
AP7331
Document number: DS31914 Rev. 3 - 2
5 of 13
www.diodes.com
January 2011
© Diodes Incorporated
Typical Characteristics
Quiescent Current vs Input Voltage
Iload=300mA
54
55
56
57
58
59
60
61
62
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
Q
u
ies
c
e
nt
Curre
nt
(u
A
)
Quiescent Current vs Input Voltage
Iload=0mA
42
44
46
48
50
52
54
56
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
Q
u
ie
s
c
e
n
t C
u
rr
e
n
t (u
A
)
Reference Voltage vs Input Voltage
0.38
0.385
0.39
0.395
0.4
0.405
0.41
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
R
ef
er
enc
e V
ol
tage (
V
)
Line Regulation (% /V)
0
0.02
0.04
0.06
0.08
0.1
4.3 4.5 4.7 4.9 5.1 5.3 5.5 5.7 5.9 6.1
Input Voltage (V)
O
ut
put
V
ol
tage V
ar
iat
ion (
%
/V
)
Load Regulation (% )
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0 50 100 150 200 250 300
Output Current (mA)
O
u
tp
ut
V
o
lt
ag
e V
a
ri
a
ti
o
n (%
)
Dropout Voltage
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300
Output Current (mA)
D
ropo
ut
V
ol
tage
(
m
V
)
90°C
-45°C 25°C
90°C
90°C
25°C
25°C
-45°C
90°C
25°C
C
-45°C
25°C -45°C
90°C
90°C
-45°C
25°C
C
-45°C
V OUT = 3.3V V OUT = 3.3V
V OUT = 3.3V
V IN = V OUT +1V
V OUT = 3.3V
V IN = V OUT + 1V
V OUT = 3.3V