S-812C Seiko Instruments Inc, S-812C Datasheet - Page 16

• Manufacturer Part Number: S-812C
• Description: HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
• Manufacturer: Seiko Instruments Inc

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
„ Transient Response Characteristics (Typical data: Ta=25 C)
(1) Power-on : S-812C30B (C
16
REFERENCE DATA
Load dependence of overshoot at power-on
V
DD
0V
3V
0.030
0.025
0.020
0.015
0.010
0.005
0.000
dependence of overshoot at power-on
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0.000
INPUT VOLTAGE
OUTPUT VOLTAGE
LOAD CURRENT
or
V
0
0
IN
V
IN
,ON/OFF=0
, ON/OFF= 0
6
0.02
IN
ON/OFF=0 5V, I
S-812C 30B
5
TIME (100 s/div)
S-812C 30B
0.04
L
I
V
=10 F; ceramic capacitor)
OUT
V
DD
D D
V
S-812C 50B
S-812C 50B
10
(A)
OU T
, I
(V)
0.06
OU T
(S )+ 2V , C
= 10m A , C
O UT
Overshoot
15
0.08
=10mA, C
Seiko Instruments Inc.
L
= 10 F
L
= 10 F
0.1
20
L
=10 F
Temperature dependence of overshoot at power-on
C
L
V
dependence of overshoot at power-on
0V
5V
0.06
0.05
0.04
0.03
0.02
0.01
0.00
0.8
0.6
0.4
0.2
0.0
I N
, ON/OFF=0
-50
0
S-812C 30B
V
I N
S-812C30B
,ON/OFF=0
10
V
OU T
S-812C 50B
0
(S )+2V , I
20
Ta (°C)
C
L
V
S-812C50B
OU T
( F)
OU T
(S )+2V , I
Undershoot
30
= 10m A , C
50
OU T
40
L
=10m A
= 10 F
Rev.1.0
100
50