s-817b23ay Seiko Instruments Inc., s-817b23ay Datasheet - Page 27

• Manufacturer Part Number: s-817b23ay
• Description: Super-small Package Cmos Voltage Regulator
• Manufacturer: Seiko Instruments Inc.

1. 3 Power fluctuation S-817A30A / S-817B30A (when using a ceramic capacitor, C
Rev.3.0
Load dependencies of overshoot at power fluctuation
V
DD
(0.2 V/div)
V
dependencies of overshoot at power fluctuation
OUT
0.5
0.4
0.3
0.2
0.1
0.8
0.6
0.4
0.2
10 V
4 V
0
1.E-07 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01
1
0
3 V
_00
0
V
V
IN
IN
=V
2
=V
V
OUT(S)
OUT(S)
IN
= 4 V → 10 V,I
TIME(200 µ s/div)
+1 V→ V
+1 V→V
4
I
V
OUT
DD
2V
3 V
(V)
(A)
DD
OUT(S)
, I
6
OUT
OUT
SUPER-SMALL PACKAGE CMOS VOLTAGE REGULATOR
+2 V, C
= 1 mA, C
2 V
=1 mA, C
3V
8
5 V
L
=1 µF
5V
Seiko Instruments Inc.
L
L
=1 µF
= 1 µ F
10
C
“Ta” dependencies of overshoot at power fluctuation
L
dependencies of overshoot at power fluctuation
0.8
0.6
0.4
0.2
0.8
0.6
0.4
0.2
1
0
1
0
0.01
-50
V
IN
=V
2 V
V
OUT(S)
IN
=V
3 V
+1 V→V
OUT(S)
0.1
5 V
+1 V→V
0
2V
OUT(S)
C
Ta(°C)
L
(µF)
+2 V, I
OUT(S)
L
3V
=1 µF)
OUT
+2 V, I
50
1
=1 mA, C
5V
S-817 Series
OUT
=1 mA
L
=1 µF
100
10
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