s-8425 Seiko Instruments Inc., s-8425 Datasheet - Page 22
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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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Reference data:
22
BATTERY BACKUP SWITCHING IC
S-8425 Series
2.1 V
(1) VOUT pin
C
(3) VCH pin
C
OUT
CH
IN
= 10 μ F, I
0.12
0.10
0.08
0.06
0.04
0.02
0.00
= 22 μ F, I
0.12
0.10
0.08
0.06
0.04
0.02
0.00
Dependency
4
4
CH
OUT
Dependency of input voltage (V
output variation width (ΔI
5
5
= 10 mA and 10 μ A, Ta = 25 ° C
= 50 mA and 10 μ A, Ta = 25 ° C
6
6
V
V
IN
IN
7
(V)
7
(V)
8
8
9
9
10
10
Seiko Instruments Inc.
OUT
), temperature (Ta)
IN
), load capacitance (C
(2) VRO pin
C
RO
= 22 μ F, I
0.12
0.10
0.08
0.06
0.04
0.02
0.00
4
RO
5
= 30 mA and 10 μ A, Ta = 25 ° C
OUT
6
V
),
IN
7
(V)
8
Overshoot
Undershoot
9
10
Rev.2.3
_00