Diodes AP7312 - Manual (Page 8)

AP7312
DUAL 150mA LOW QUIESCENT CURRENT FAST
TRANSIENT LOW DROPOUT LINEAR REGULATOR
AP7312
Document number: DS35133 Rev. 2 - 2
8 of 18
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January 2011
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UC
T
Typical Performance Characteristics (Continued)
EN Pin Shutdown Response
Time (100 μs/div)
PSRR vs Frequency
0
20
40
60
80
100
10 100 1000 10000 100000 100000
0
Frequency(Hz)
P
S
RR(
d
B
)
10 100 1k 10k 100k 1M
1.8V
2.8V
T
A
=25°C
V
IN
=3.8V+0.5V
ppAC
C
OUT1
=C
OUT2
=1 μF
Both I
LOAD
=50mA
V
IN
=5V, Both I
LOAD
=50mA
V
OUT1
=1.8V (1V/div)
V
OUT2
=2.8V (1V/div)
V
EN
=0V to 5V (5V/div)
Input Quiescent current vs Input Voltage
0
20
40
60
80
3.5 4 4.5 5 5.5 6
Input Voltage(V)
In
p
u
t Q
u
ie
sc
e
n
t c
u
rr
e
n
t(
μ
A)
Input Quiescent current vs Temperature
0
20
40
60
80
-50 -25 0 25 50 75 100 125
Temperature(℃)
In
p
u
t Q
u
ie
s
c
e
n
t
c
u
rr
e
n
t(
μ
A)
T
A
=25°C
V
OUT1
=1.8V
V
OUT2
=2.8V
I
OUT
=0mA
V
IN
=V
EN
=3.8V
V
OUT1
=1.8V
V
OUT2
=2.8V
I
OUT
=0mA