SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
Rev.4.2_00
Reference Data
1. Transient Response Characteristics (Typical data: Ta=25 °C)
Input voltage
or
Load current
O vershoot
O utput voltage
U ndershoot
1. 1 At powering on S-817A30A (when using a ceramic capacitor, CL=1 µF)
VIN 0 V 10 V, I
10 mA, C 1 F
= µ
=
→
=
OUT
L
10 V
0 V
3 V
VOUT
(0.5 V/div)
TIME(100 s/div)
µ
Load dependencies of overshoot at powering on
CL dependencies of overshoot at powering on
VOUT=0 V→VOUT(S)+2 V, CL=1 µF
VIN=0 V→VOUT(S)+2 V, IOUT=10 mA
0.05
0.05
0.04
0.03
0.04
0.03
0.02
0.01
0
2V
5V
3V
3V
1
2V
5V
0.02
0.01
0
0.01
0.1
10
1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
IOUT(A)
C ( F)
µ
L
VDD dependencies of overshoot at powering on
“Ta” dependencies of overshoot at powering on
VIN=0 V→VDD, IOUT=10 mA, CL=1 µF
0.05
VIN=0 V→VOUT(S)+2 V, IOUT=10 mA, CL=1 µF
0.05
0.04
0.03
0.02
0.01
0
0.04
5V
0.03
5V
3V
0.02
3V
2V
2V
0.01
0
-50
0
50
100
0
2
4
6
8
10
Ta(°C)
VDD(V)
25
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
