S-817B49AY-X 데이터 시트보기 (PDF) - Seiko Instruments Inc
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S-817B49AY-X Datasheet PDF : 50 Pages
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Rev.3.0_00
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
1. 3 Power fluctuation S-817A30A / S-817B30A (when using a ceramic capacitor, CL=1 µF)
10 V
VIN=4 V→10 V,IOUT=1 mA, CL=1 µF
4V
V OUT
(0.2 V/div)
3V
TIME(200 µs/div)
Load dependencies of overshoot at power fluctuation
VIN=VOUT(S)+1 V→ VOUT(S)+2 V, CL=1 µF
0.5
0.4
5V
0.3
2V
0.2
3V
0.1
0
1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
IOUT(A)
VDD dependencies of overshoot at power fluctuation
1
VIN=VOUT(S)+1 V→VDD, IOUT=1 mA, CL=1 µF
0.8
5V
0.6
3V
0.4
2V
0.2
0
0
2
4
6
8
10
VDD(V)
CL dependencies of overshoot at power fluctuation
1
VIN=VOUT(S)+1 V→VOUT(S)+2 V, IOUT=1 mA
0.8 2 V
3V
0.6
5V
0.4
0.2
0
0.01
0.1
1
10
CL(µF)
“Ta” dependencies of overshoot at power fluctuation
VIN=VOUT(S)+1 V→VOUT(S)+2 V, IOUT=1 mA, CL=1 µF
1
0.8
0.6
5V
0.4
3V
2V
0.2
0
-50
0
50
100
Ta(°C)
Seiko Instruments Inc.
27
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