SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
Rev.3.0_00
IOUT=10 µA→30mA, VIN=5V, CL=1 µF
30mA
10µA
3V
VOUT
(0.2V/div)
TIME(50 ms/div)
Load current dependencies of undershoot at load
fluctuation
CL dependencies of undershoot at load fluctuation
VIN=VOUT(S)+2 V, IOUT=10 µA→IL, CL=1 µA
VIN=VOUT(S)+2 V, IOUT=10 µA→10 mA
2
1.4
1.2
1
0.8
0.6
0.4
0.2
0
3V
5V
1.5
1
5V
3V
2V
0.5
0
2V
0.01
0.1
1
10
1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00
IOUT(A)
CL(µF)
VDD dependencies of undershoot at load fluctuation
“Ta” dependencies of undershoot at load fluctuation
VIN=VDD, IOUT=10 µA→10 mA, CL=1 µF
0.5
VIN=VOUT(S)+2 V, IOUT=10 µA →10 mA, CL=1 µF
0.5
0.4
0.4
5V
3V
3V
0.3
0.2
0.1
0
5V
0.3
0.2
2V
2V
0.1
0
-50
0
50
100
0
2
4
6
8
10
Ta(°C)
VDD(V)
30
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
