S-818 SII [Seiko Instruments Inc], S-818 Datasheet - Page 14

• Manufacturer Part Number: S-818
• Description: LOW DROPOUT CMOS VOLTAGE REGULATOR
• Manufacturer: SII [Seiko Instruments Inc]

LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
„ TRANSIENT RESPONSE CHARACTERISTICS (S-818A30A, Typical data: Ta=25 C)
(1) Power on
14
INPUT VOLTAGE
OUTPUT VOLTAGE
LOAD CURRENT
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.8
0.6
0.4
0.2
0.0
or
1.E-05 1.E-04 1.E-03
10V
0V
0
0V
V
V
IN
IN
Load dependence of overshoot
VDD dependence of overshoot
=0 VDD, I
=0 V
V
V
OUT
V
OUT
2
IN
V
OUT
=2V
OUT
3V
=2V
(S)+1V, CL=2 F
OUT
3V
4
TIME(50usec/div)
VDD(V)
I
=30mA,CL=2 F
OUT
5V
CL=2 F
(A)
1.E-02 1.E-01 1.E+00
V
IN
6
=0 10V I
Overshoot
CL=4.7 F
8
5V
OUT
Seiko Instruments Inc.
=30mA
10
1.0
0.8
0.6
0.4
0.2
0.0
1.0
0.8
0.6
0.4
0.2
0.0
Output capacitor (CL) dependence of overshoot
-50
1
Temperature dependence of overshoot
V
V
IN
IN
=0 V
=0 V
V
OUT
/54
=2V
OUT
(S)+1V, I
V
0
(S)+1V, I
OUT
=2V
CL( F)
Ta(°C
10
3V
OUT
OUT
3V
Undershoot
REFERENCE DATA
=30mA,CL=2 F
=30mA
50
5V
5V
100
100
Rev.1.2