s-8424a Seiko Instruments Inc., s-8424a Datasheet - Page 28
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s-8424a
Manufacturer Part Number
s-8424a
Description
Battery Backup Switching Ic
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8424A.pdf
(44 pages)
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28
BATTERY BACKUP SWITCHING IC
S-8424A Series
(1) VOUT pin
2.4 Temperature Dependency
2.3 Δ I
(1) VOUT pin
Δ I
example, Δ I
V
OUT
OUT
IN
=6.0 V, I
0.12
0.10
0.08
0.06
0.04
0.02
0.00
Dependency
and Δ I
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
C
OUT
−50
0 10 20 30 40 50 60
OUT
= 22 μ F, V
OUT
RO
=50 mA ↔ 10 μA, C
= 10 mA means a fluctuation between 10 μ A and 10 mA.
show the fluctuation between the low current stabilized at 10 μ A and the high current. For
Δ I
0
OUT
IN
Ta (°C)
= 6 V, Ta = 25 ° C
(mA)
50
OUT
Seiko Instruments Inc.
=22 μF
100
(2) VRO pin
(2) VRO pin
V
IN
=6.0 V, I
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00
−50
0
C
RO
RO
=30 mA ↔ 10 μA, C
=22 μF, V
10 20 30 40 50 60
ΔI
0
RO
IN
Ta (°C)
(mA)
=6.0 V, Ta=25°C
50
RO
=22 μF
Rev.2.2
100
_00