S-818A30AMC-BGK-T2 查看數據表（PDF） - Seiko Instruments Inc
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S-818A30AMC-BGK-T2 Datasheet PDF : 23 Pages
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Rev.1.2
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Load current dependence of load fluctuation undershoot
∆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 µA to 10 mA.
Output capacitor (CL) dependence of undershoot
VIN=VOUT(S)+1V,CL=2µF
1.0
0.4 VIN=VOUT(S)+1V ,IOUT=10µA→30mA
0.8
0.3
0.6
3V
5V
3V
0.2
0.4
0.2
0.1
5V
VOUT=2V
VOUT=2V
0.0
0
1.E-03
1.E-02
1.E-01
1.E+00
1
∆IOUT(A)
10
100
CL(uF)
VDD dependence of undershoot
VIN=VDD, IOUT=10µA→30mA,CL=2µF
0.4
3V
0.3
0.2
VOUT=2V
0.1
5V
0
0
2
4
6
8
10
VDD(V)
Temperature dependence of undershoot
VIN=VOUT(S)+1V ,IOUT=10µA→30mA,CL=2µF
0.5
0.4
VOUT=2V
3V
0.3
0.2
0.1
5V
0
-50
0
50
100
Ta(°C)
Seiko Instruments Inc.
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