
HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
Rev.2.0_01
26
Seiko Instruments Inc.
1-3. Line Transient Response : S-812C30B (CL=10
F; ceramic capacitor)
VIN, VON/OFF
=4 →8 V, IOUT=10 mA
TIME (100
s/div)
V
OUT
(
0.05V
/div)
10 V
0 V
5 V
3 V
2.9 V
Load dependence of overshoot at line transient
CL dependence of overshoot at line transient
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0
10
20
30
40
50
IOUT (mA)
Ove
rsh
oo
t(V)
S-812C50B
VIN, VON/OFF
=VOUT(S)+1 V→VOUT(S)+5 V,
CL
=10 F
S-812C30B
0.00
0.05
0.10
0.15
0.20
0.25
0
10
20
30
40
50
CL (
F)
O
ver
shoot
(V)
S-812C50B
VIN, VON/OFF
=VOUT(S)+1 V→VOUT(S)+5 V,
IOUT
=10 mA
S-812C30B
VDD dependence of overshoot at line transient
Temperature dependence of overshoot at line transient
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0
5
10
15
20
VDD (V)
Ov
ers
hoo
t(V
)
S-812C50B
VIN, VON/OFF
=VOUT(S)+1 V→VDD, IOUT=10 mA,
CL
=10 F
S-812C30B
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
50
0
50
100
Ta (°C)
O
vers
hoot
(V)
S-812C50B
VIN, VON/OFF
=VOUT(S)+1 V→VOUT(S)+5 V,
IOUT
=10 mA, CL=10 F
S-812C30B