s-817b23ay-z-g Seiko Instruments Inc., s-817b23ay-z-g Datasheet - Page 28
s-817b23ay-z-g
Manufacturer Part Number
s-817b23ay-z-g
Description
Super-small Package Cmos Voltage Regulator
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-817B23AY-Z-G.pdf
(52 pages)
- Current page: 28 of 52
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28
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
S-817 Series
Load dependencies of undershoot at power fluctuation C
V
DD
(0.02 V/div)
V
dependencies of undershoot at power fluctuation
OUT
0.5
0.4
0.3
0.2
0.1
0.08
0.06
0.04
0.02
0.1
0
1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
10 V
4 V
3 V
0
0
V
IN
2
=V
V
V
IN
DD
IN
=V
→V
= 10 V → 4 V,I
OUT(S)
TIME(50 µ s/div)
OUT(S)
4
I
V
OUT
+2 V→V
DD
2V
+1 V, I
(A)
(V)
2V
OUT
6
OUT(S)
OUT
= 1 mA, C
=1 mA, C
3V
1 V, C
3V
8
5V
L
Seiko Instruments Inc.
=1 µF
L
L
=1 µF
= 1 µ F
5V
10
“Ta” dependencies of undershoot at power fluctuation
L
dependencies of undershoot at power fluctuation
0.8
0.6
0.4
0.2
0.08
0.06
0.04
0.02
1
0
0.1
0.01
V
0
IN
-50
=V
2V
OUT(S)
V
IN
+2 V→V
3V
2V
=V
OUT(S)
0.1
5V
0
3V
OUT(S)
+2 V→V
C
Ta(°C)
L
+1 V, I
(µF)
OUT(S)
OUT
1
+1 V, I
50
=1 mA, C
5V
OUT
Rev.4.2
=1 mA
L
=1 µF
100
10
_00
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