S-814 SII [Seiko Instruments Inc], S-814 Datasheet - Page 25

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S-814

Manufacturer Part Number
S-814
Description
LOW DROPOUT CMOS VOLTAGE REGULATOR
Manufacturer
SII [Seiko Instruments Inc]
Datasheet

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Rev.2.1
Load current dependencies of undershoot
Remark ΔI
V
DD
dependencies of undershoot
_00
1.4
1.2
0.8
0.6
0.4
0.2
1.0
0.8
0.6
0.4
0.2
1.E−03
1
0
current fluctuation. Lower current at load
current fluctuation is fixed to 10 µA.
i.e. ΔI
0
OUT
0
V
fluctuation from 10 µA to 10 mA.
shows larger load current at load
IN
OUT
=V
V
=1.E−02 [A] means load current
DD
OUT
2
1.E−02
, I
=2 V
OUT
V
ΔI
IN
=10 μA→30 mA, C
=V
4
3 V
OUT
V
DD
OUT(S)
[A]
[V]
V
3 V
1.E−01
OUT
+1 V, C
6
=2 V
5 V
L
8
=1 μF
Seiko Instruments Inc.
L
5 V
=1 μF
1.E+00
LOW DROPOUT CMOS VOLTAGE REGULATOR
10
C
Temperature dependencies of undershoot
L
dependence of undershoot
V
IN
1.0
0.8
0.6
0.4
0.2
=V
1.2
1.0
0.8
0.6
0.4
0.2
0
−50
0
0.1
OUT(S)
V
V
OUT
V
OUT
+1 V, I
IN
3 V
=V
=2 V
=2 V
OUT(S)
5 V
OUT
0
1
=10 μA→30 mA, C
+1 V, I
Ta [°C]
C
3 V
L
[μF]
OUT
5 V
=10 μA→30 mA
50
10
S-814 Series
L
=1 μF
100
100
25

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