S-812C21AMC-C2B-T2 查看數據表（PDF） - Seiko Instruments Inc
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S-812C21AMC-C2B-T2 Datasheet PDF : 26 Pages
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Rev.1.0
HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
VIN,ON/OFF=8→4V, IOUT=10mA
10V
5V
0V
3V
2.9V
2.8V
TIME (500 µs/div)
Load dependence of undershoot at line transient
V IN , ON/OFF= V OU T(S )+ 5V → V OU T(S )+ 1V , CL= 10µF
0.8
0.6
S -812C 50B
0.4
0.2
S -812C 30B
0.0
0
10
20
30
40
50
IOUT (A)
VDD dependence of undershoot at line transient
V IN , ON/OFF= V D D → V OU T(S )+ 1V IOU T= 10m A CL= 10µF
0.25
0.20
0.15
0.10
0.05
S -812C 50B
S -812C 30B
0.00
0
5
10
15
20
VDD (V)
CL dependence of undershoot at line transient
V IN , ON/OFF= V OU T(S )+ 5V → V OU T(S )+ 1V ,IOU T= 10m A
0.35
0.30
0.25
S -812C 50B
0.20
0.15
0.10
0.05
S -812C 30B
0.00
0
10
20
30
40
50
CL (µF)
Temperature dependence of undershoot at line transient
V IN ,ON/OFF=V OU T(S )+ 5V → V OU T(S )+ 1V ,
0.30
IOU T= 10m A CL= 10µF
0.25 S-812C50B
0.20
0.15
0.10
0.05
S -812C 30B
0.00
-50
0
50
100
Ta (°C)
Seiko Instruments Inc.
19
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