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S-818A50AUC-BHET2G
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
Rev.3.0
_00
S-818 Series
Seiko Instrum
ents Inc.
19
10. Ripple rejection
S-818A20A
V
IN
=
3 V, I
OUT
=
30 mA, C
IN
=
None, C
OUT
=
2
μ
F, 0.5 V p-p, Ta
=
25
°
C
−
100
−
80
−
60
−
40
−
20
0
0.1 1
10
100
f [kHz]
Ripple Reje
ction [dB]
S-818A30A
−
100
−
80
−
60
−
40
−
20
0
0.1
1 10
100
f [kHz]
Ripple Rejection [dB]
V
IN
=
4 V, I
OUT
=
30 mA, C
IN
=
None, C
OUT
=
2
μ
F, 0.5 V p-p, Ta
=
25
°
C
S-818A50A
−
100
−
80
−
60
−
40
−
20
0
0.1
1
10 100
f [kHz]
Ripple Rejection [dB]
V
IN
=
6 V, I
OUT
=
30 mA, C
IN
=
None, C
OUT
=
2
μ
F, 0.5 V p-p, Ta
=
25
°
C
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0
_00
Seiko Instrum
ents Inc.
20
Transient Response Characteristics (S-818A30A, Typical data, Ta
=
25
°
C)
O
ver
shoot
I
nput
vol
t
age
or
Load cur
r
ent
O
ut
pu
t
vol
t
age
U
nder
shoot
1. Power on
V
IN
=0
→
10V
I
OU
T
=3
0
mA
T
IME
(50us
ec
/
div
)
V
OUT
(0.5V/div)
10V
CL=
2
μ
F
0V
0V
V
IN
V
OU
T
CL=
4.
7
μ
F
Load dependence of overshoot
C
L
dependence of overshoot
0.0
0.2
0.4
0.6
0.8
1.0
1.E
−
05
1.E
−
04
1.E
−
03
1.E
−
02
1.E
−
01
1.E
+
00
I
OUT
[V]
5 V
3 V
V
OUT
=
2 V
V
IN
=
0 V
→
V
OUT
(S)
+
1 V, C
L
=
2
μ
F
Over
Shoot
[
V
]
0.0
0.2
0.4
0.6
0.8
1.0
1
10
100
C
L
[
μ
F]
V
OUT
=
2 V
V
IN
=
0 V
→
V
OUT
(S)
+
1 V, I
OUT
=
30 mA
3 V
5 V
Over S
hoot
[
V
]
V
DD
dependence of overshoot
Temper
ature dependence of overshoot
0.0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
8
10
V
DD
[V]
5 V
3 V
V
IN
=
0 V
→
V
DD
, I
OUT
=
30 mA, C
L
=
2
μ
F
Over S
hoot
[
V
]
V
OUT
=
2 V
0.0
0.2
0.4
0.6
0.8
1.0
−
50
0
50
100
Ta [°C]
V
OUT
=
2 V
Over Shoot [V]
V
IN
=
0 V
→
V
OUT
(S)
+
1 V, I
OUT
=
30 mA, C
L
=
2
μ
F
3 V
5 V
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0
_00
S-818 Series
Seiko Instrum
ents Inc.
21
2. Shutdown control
V
IN
=1
0
V O
N
/OF
F=0
→
10V
I
OU
T
=3
0
mA
T
I
ME
(
5
0
u
se
c/d
iv
)
V
OUT
(0.5V/div)
10V
CL=
4.
7
μ
F
CL=
2
μ
F
0V
0V
V
IN
V
OU
T
Load dependenci
es of overshoot
C
L
dependence of overshoot
0.0
0.2
0.4
0.6
0.8
1.0
1.E
−
05
1.E
−
04
1.E
−
03
1.E
−
02
1.E
−
01
1.E
+
00
I
OUT
[A]
V
IN
=
V
OUT(S)
+
1 V,
C
L
=
2
μ
F, O
N
/OFF
=
0 V
→
V
OUT
(S)
+
1 V
5 V
3 V
V
OUT
=
2 V
Over S
hoot
[
V
]
0.0
0.2
0.4
0.6
0.8
1.0
1
10
100
C
L
[
μ
F]
5V
3 V
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
1 V,
C
L
=
2
μ
F, O
N
/OFF
=
0 V
→
V
OUT
(S)
+
1 V
Over Shoo
t [V]
V
DD
dependencies of overshoot
Temp
erature dependence of overshoot
0.0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
8
10
V
DD
[V]
5 V
V
OUT
=
2 V
V
IN
=
V
DD
, I
OUT
=
30 m
A, C
L
=
2
μ
F, ON/OFF
=
0 V
→
V
DD
3 V
Over
Shoot [
V]
0.0
0.2
0.4
0.6
0.8
1.0
−
50
0
50
100
Ta [
°
C]
5V
3 V
V
OUT
=
2 V
V
IN
=
V
OUT(S)
+
1 V, I
OUT
=
30 mA, C
L
=
2
μ
F, ON/OFF
=
0 V
→
V
OUT(S)
+
1 V
Over
Shoot
[
V
]
ON/OFF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P32
S-818A50AUC-BHET2G
Mfr. #:
Buy S-818A50AUC-BHET2G
Manufacturer:
ABLIC
Description:
LDO Voltage Regulators 5.0V 30uA 2.0%
Lifecycle:
New from this manufacturer.
Delivery:
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