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S-818A52AMC-BHGT2G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0_00
Seiko Instruments Inc.
22
3. Power fluctuation
V
IN
=4
→
10V I
OUT
=30mA
TIME(50usec/div)
V
OUT
(0.2V/div)
10V
CL=4.7
μ
F
CL=2
μ
F
4V
3V
V
IN
V
OU
T
TIME(50usec/div)
V
OUT
(0.2V/div)
10V
CL=4.7
μ
F
CL=2
μ
F
4V
3V
V
IN
V
OUT
V
IN
=10
→
4V I
OUT
=30mA
Load dependencies 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 μF
3 V
Over Shoot
[
V
]
0
0.01
0.02
0.03
0.04
0.05
1
10
100
C
L
[μF]
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
OUT
=30 mA, C
L
=2 μF
3 V
5V
Over Shoot
[
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 μF
V
OUT
=
2 V
Over Shoot
[
V
]
LOW DROPOUT CMOS VOLTAGE REGULATOR
Rev.3.0_00
S-818 Series
Seiko Instruments Inc.
23
Load dependencies 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
Under Shoot
[
V
]
V
IN
=V
OUT(S)
+2 V→V
OUT(S)
+1 V, C
L
=2 μF
0
0.01
0.02
0.03
0.04
0.05
1 10
100
C
L
[μF]
5V
3V
V
OUT
=2 V
V
IN
=V
OUT(S)
+2 V→V
OUT(S)
+1 V, I
OUT
=30 mA
Under Shoot
[
V
]
V
DD
dependencies of undershoot Temperature dependence 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 mA, C
L
=2 μF
Under Shoot [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
Under Shoot
[
V
]
V
IN
=V
OUT(S)
+2 V→V
OUT(S)
+1 V, I
OUT
=30 mA, C
L
=2 μF
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0_00
Seiko Instruments Inc.
24
4. Load fluctuation
I
OUT
=10
μ
A
→
30mA V
IN
=4V
TIME(50
μ
sec/div)
V
OUT
(0.2V/div)
30mA
CL=4.7
μ
F
CL=2
μ
F
10
μ
3V
I
OUT
V
OUT
I
OUT
=30mA
→
10
μ
A V
IN
=4V
TIME(20msec/div)
V
OUT
(0.1V/div)
30m
A
CL=4.7
μ
F
CL=2
μ
F
10
μ
A
3V
I
OUT
V
OUT
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
ΔI
OUT
[A]
V
OUT
=2 V
V
IN
=V
OUT(S)
+1 V, C
L
=2 μF
5 V
3 V
Over Shoot [V]
Remark ΔI
OUT
shows larger load current at load current
fluctuation while smaller current is fixed to
10 µA. For example ΔI
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
[μF]
3 V
V
IN
=V
OUT(S)
,+1 V, I
OUT
=30 mA→10 μA
V
OUT
=2 V
5V
Over Shoot [V]
V
DD
dependencies of overshoot Temperature 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 μA, C
L
=2 μF
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 μA, C
L
=2 μF
3 V
V
OUT
=
2 V
5 V
Over Shoot [V]
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

S-818A52AMC-BHGT2G

Mfr. #:
Buy S-818A52AMC-BHGT2G
Manufacturer:
ABLIC
Description:
LDO Voltage Regulators Linear LDO regulator 30uA Iq 300mA Iout
Lifecycle:
New from this manufacturer.
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