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S-818A48AMC-BHCT2G
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P32
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0
_00
Seiko Instrum
ents Inc.
22
3. Power fluctuation
V
IN
=4
→
10V
I
OU
T
=3
0
mA
T
I
M
E(
5
0
u
se
c/d
i
v
)
V
OUT
(0.2V/div)
10V
CL=
4.
7
μ
F
CL=
2
μ
F
4V
3V
V
IN
V
OU
T
T
I
M
E(
5
0
u
se
c/d
i
v
)
V
OUT
(0.2V/div)
10V
CL=
4
.
7
μ
F
CL=
2
μ
F
4V
3V
V
IN
V
OU
T
V
IN
=1
0
→
4V
I
OU
T
=3
0
mA
Load dependenci
es of overshoot
C
L
dependence of overshoot
0
0.2
0.4
0.6
1.E
−
05
1.E
−
04
1.E
−
03
1.E
−
02
1.E
−
01
1.E
+
00
I
OUT
[A]
5V
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
1 V
→
V
OUT(S)
+
2 V,
C
L
=
2
μ
F
3 V
Over
Shoot
[
V
]
0
0.01
0.02
0.03
0.04
0.05
1
10
100
C
L
[
μ
F]
5V
V
IN
=
V
OUT(S)
+
1 V
→
V
OUT(S)
+
2 V,
I
OUT
=
30 mA
3 V
V
OUT
=
2 V
Over Shoot [V]
V
DD
dependencies of overshoot
Temperature dependence
0
0.2
0.4
0.6
0
2
4
6
8
10
V
DD
[V]
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
1 V
→
V
DD
, I
OU
T
=
30 m
A, C
L
=
2
μ
F
3 V
5V
Over S
hoot
[
V
]
0
0.01
0.02
0.03
0.04
0.05
0.06
−
50
0
50
100
Ta [
°
C]
5 V
3 V
V
IN
=
V
OUT(S)
+
1 V
→
V
OUT(S)
+
2 V,
I
OUT
=
30 mA
, C
L
=
2
μ
F
V
OUT
=
2 V
Over S
hoot
[
V
]
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
S-818 Series
Seiko Instrum
ents Inc.
23
Load dependenci
es of undershoot
C
L
dependence of undershoot
0
0.1
0.2
0.3
1.E
−
05
1.E
−
04
1.E
−
03
1.E
−
02
1.E
−
01
1.E
+
00
I
OUT
[A]
5 V
V
OUT
=
2 V
3 V
Und
er S
hoot
[
V
]
V
IN
=
V
OUT(S)
+
2 V
→
V
OUT(S)
+
1 V, C
L
=
2
μ
F
0
0.01
0.02
0.03
0.04
0.05
1
10
100
C
L
[
μ
F]
5V
3V
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
2 V
→
V
OUT(S)
+
1 V,
I
OUT
=
30 mA
Und
er Sh
oot
[
V
]
V
DD
dependencies of undersh
oot
Temperature dependen
ce of undershoot
0
0.05
0.1
0.15
0.2
0
2
4
6
8
10
V
DD
[V]
V
OUT
=
2 V
3 V
5 V
V
IN
=
V
DD
→
V
OUT(S)
+
1 V,
I
OUT
=
30 m
A, C
L
=
2
μ
F
Under
S
hoot [V]
0
0.01
0.02
0.03
0.04
0.05
0.06
−
50
0
50
100
Ta [°C]
5 V
3V
V
OUT
=
2 V
Unde
r Shoo
t
[
V
]
V
IN
=
V
OUT(S)
+
2 V
→
V
OUT(S)
+
1 V,
I
OUT
=
30 mA, C
L
=
2
μ
F
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0
_00
Seiko Instrum
ents Inc.
24
4. Load fluctuation
I
OU
T
=1
0
μ
A
→
30mA
V
IN
=4
V
TIM
E
(
5
0
μ
se
c/d
iv
)
V
OUT
(0.2V/div)
30m
A
CL=
4
.
7
μ
F
CL=
2
μ
F
10
μ
A
3V
I
OU
T
V
OU
T
I
OU
T
=3
0
mA
→
10
μ
A V
IN
=4
V
T
I
M
E(
2
0
m
se
c/d
i
v
)
V
OUT
(0.1V/div)
30m
A
CL=
4
.
7
μ
F
CL=
2
μ
F
10
μ
A
3V
I
OU
T
V
OU
T
Load current dependence
of load fluctuation overshoot
C
L
dependence of overshoot
0.0
0.2
0.4
0.6
0.8
1.0
1.E
−
03
1.E
−
02
1.E
−
01
1.E
+
00
Δ
I
OUT
[A]
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
1 V
, C
L
=
2
μ
F
5 V
3 V
Over Shoot [V]
Remark
Δ
I
OUT
shows larger load current at load current
fluctuation while smaller curre
nt is fixed to
10 µA. For example
Δ
I
OUT
=
1.E
−
02 (A) means
load current fluctuation from 10 mA to 10 µA.
0
0.05
0.1
0.15
0.2
1
10
100
C
L
[
μ
F]
3 V
V
IN
=
V
OUT(S)
,
+
1 V, I
OUT
=
30 mA
→
10
μ
A
V
OUT
=
2 V
5V
Over Shoo
t [V]
V
DD
dependencies of overshoot
Temp
erature dependence of overshoot
0
0.1
0.2
0.3
0
2
4
6
8
10
V
DD
[V]
5 V
3 V
V
OUT
=
2 V
V
IN
=
V
DD
, I
OUT
=
30 mA
→
10
μ
A, C
L
=
2
μ
F
Over Shoot [V]
0
0.05
0.1
0.15
0.2
0.25
0.3
−
50
0
50
100
Ta [°C]
V
IN
=
V
OUT(S)
+
1 V, I
OUT
=
30 mA
→
10
μ
A, C
L
=
2
μ
F
3 V
V
OUT
=
2 V
5 V
Over Shoot [V]
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P32
S-818A48AMC-BHCT2G
Mfr. #:
Buy S-818A48AMC-BHCT2G
Manufacturer:
ABLIC
Description:
LDO Voltage Regulators Linear LDO regulator 30uA Iq 300mA Iout
Lifecycle:
New from this manufacturer.
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