s-8425 Seiko Instruments Inc., s-8425 Datasheet - Page 28
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s-8425
Manufacturer Part Number
s-8425
Description
Battery Backup Switching Ic
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8425.pdf
(42 pages)
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Part Number
Manufacturer
Quantity
Price
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Part Number:
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1. Voltage Regulator Unit
28
BATTERY BACKUP SWITCHING IC
S-8425 Series
Characteristics
1.1 Input Voltage (V
(1) Ta = 85 ° C
(3) Ta = − 40 ° C
1.2 Input Voltage (V
(1) Ta = 85 ° C
(3) Ta = − 40 ° C
I
OUT
I
I
I
OUT
3.2
2.8
2.4
2.0
RO
3.2
2.8
2.4
2.0
RO
3.2
2.8
2.4
2.0
3.2
2.8
2.4
2.0
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
2.0
2.0
2.0
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
2.0
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
I
I
OUT
I
OUT
RO
I
RO
= 10 mA
= 10 mA
= 10 mA
= 10 mA
3.0
3.0
3.0
3.0
IN
IN
V
) vs. Output Voltage (V
V
V
) vs. Output Voltage (V
V
IN
IN
IN
IN
(V)
(V)
(V)
(V)
I
I
OUT
OUT
4.0
4.0
4.0
4.0
I
RO
= 90 mA
= 90 mA
I
RO
= 90 mA
= 90 mA
Seiko Instruments Inc.
5.0
5.0
5.0
5.0
RO
OUT
) Characteristics (REG1) (V
) Characteristics (REG2) (V
(2) Ta
(2) Ta = 25 ° C
I
I
OUT
RO
3.2
2.8
2.4
2.0
3.2
2.8
2.4
2.0
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
2.0
2.0
= 10 mA, 30 mA, 50 mA, 70 mA, 90 mA
=
I
I
25 ° C
OUT
RO
= 10 mA
= 10 mA
3.0
3.0
RO
OUT
V
V
IN
IN
= 3.0 V)
(V)
(V)
= 3.0 V )
I
OUT
4.0
4.0
I
RO
= 90 mA
= 90 mA
Rev.2.3
5.0
5.0
_00