
HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
Rev.2.0_01
24
Seiko Instruments Inc.
Reference Data
1. Transient Response Characteristics (Typical data: Ta
=25 °C)
Ov e rs h o o t
In p u t v o lta g e
O u tp u t v o lta g e
or
Lo ad c urrent
U n dersh oot
1-1. Power-on : S-812C30B (CL=10
F; ceramic capacitor)
TIME (100
s/div)
V
OU
T(0.5
V
/div)
0 V
5 V
0 V
3 V
VIN, VON/OFF
=0→5 V, IOUT=10 mA, CL=10 F
Load dependence of overshoot at power-on
CL dependence of overshoot at power-on
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0
0.02
0.04
0.06
0.08
0.1
IOUT (A)
O
ver
shoot
(
V
)
S-812C50B
S-812C30B
VIN, VON/OFF
=0→VOUT(S)+2 V, CL=10 F
0.0
0.2
0.4
0.6
0.8
0
10
20
30
40
50
CL (
F)
O
ver
sh
oot
(
V
)
S-812C50B
VIN, VON/OFF
=0→VOUT(S)+2 V, IOUT=10 mA
S-812C30B
VDD dependence of overshoot at power-on
“Ta” dependence of overshoot at power-on
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0
5
10
15
20
VDD (V)
O
ver
sh
oo
t(
V
)
S-812C50B
VIN, VON/OFF
=0→VDD, IOUT=10 mA,
CL
=10 F
S-812C30B
0.00
0.01
0.02
0.03
0.04
0.05
0.06
50
0
50
100
Ta (°C)
O
ver
shoot
(
V
)
S-812C50B
VIN, VON/OFF
=0→VOUT(S)+2 V, IOUT=10 mA,
CL
=10 F
S-812C30B