S-818A30AMC-BGKT2G View Datasheet(PDF) - Seiko Instruments Inc
Part Name
Description
Manufacturer
S-818A30AMC-BGKT2G Datasheet PDF : 32 Pages
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LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.2.1_00
4. Load fluctuation
30mA
IOUT=10µA→30mA VIN=4V
30mA
IOUT=30mA→10µA VIN=4V
10µA
3V
IOUT
VOUT
CL=2µF
10µA
IOUT
3V
CL=2µF
CL=4.7µF
CL=4.7µF
VOUT
TIME(50µsec/div)
TIME(20msec/div)
Load current dependence of load fluctuation overshoot
VIN=VOUT(S)+1 V, CL=2 µF
1.0
0.8
5V
0.6
3V
CL dependence of overshoot
VIN=VOUT(S),+1 V, IOUT=30 mA→10 µA
0.2
0.15
VOUT=2 V
3V
0.4
0.1
0.2
VOUT=2 V
5V
0.05
0.0
1.E−03
1.E−02
1.E−01
∆IOUT [A]
1.E+00
0
1
10
100
CL [µF]
Remark ∆IOUT shows larger load current at load current
fluctuation while smaller current is fixed to
10 µA. For example ∆IOUT=1.E−02 (A) means
load current fluctuation from 10 mA to 10 µA.
VDD dependencies of overshoot
VIN=VDD, IOUT=30 mA→10 µA, CL=2 µF
0.3
3V
0.2
0.1
0
0
VOUT=2 V
5V
2
4
6
8
10
VDD [V]
Temperature dependence of overshoot
VIN=VOUT(S)+1 V, IOUT=30 mA→10 µA, CL=2 µF
0.3
0.25
0.2
3V
0.15
0.1
0.05
VOUT=2 V
5V
0
−50
0
50
100
Ta [°C]
24
Seiko Instruments Inc.
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