S-8424AAAFT-TB-X Datasheet, PDF (26/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Rev.3.0_01
1.3 ΔV_IN Dependency
ΔV_IN shows the difference between the low voltage fixed to 6 V and the high voltage.
For example, ΔV_IN = 2 V means the difference between 6 V and 8 V.
(1) VOUT pin
0.30 ^{IOUT=50 mA, COUT=22 μF, Ta=25°C}
(2) VRO pin
0.30 ^{IRO=30 mA, CRO=22 μF, Ta=25°C}
0.25
0.25
0.20
0.20
0.15
0.15
0.10
0.05
0.00
012345
ΔV_IN (V)
0.10
0.05
0.00
012345
ΔV_IN (V)
1.4 Temperature Dependency
(1) VOUT pin
0.30
0.25
0.20
0.15
0.10
0.05
0.00
V_IN=6 ↔10 V,
I_OUT=50 mA,
C_OUT=22 μF
–50
0
50
100
Ta (°C)
(2) VRO pin
0.30
0.25
0.20
0.15
0.10
0.05
0.00
V_IN=6 ↔10 V,
I_OUT=30 mA,
C_RO=22 μF
–50
0
50
100
Ta (°C)
Overshoot
Undershoot
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