S-8424AAAFT-TB-X Datasheet, PDF (29/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

Rev.3.0_01
BATTERY BACKUP SWITCHING IC
S-8424A Series
2.3 ΔI_OUT Dependency
ΔI_OUT and ΔI_RO show the fluctuation between the low current stabilized at 10 μA and the high current. For
example, ΔI_OUT = 10 mA means a fluctuation between 10 μA and 10 mA.
(1) VOUT pin
COUT = 22 μF, VIN = 6 V, Ta = 25°C
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0
10 20 30 40 50 60
ΔIOUT (mA)
(2) VRO pin
C_RO=22 μF, V_IN=6.0 V, Ta=25°C
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0
10 20 30 40 50 60
ΔI_RO (mA)
2.4 Temperature Dependency
(1) VOUT pin
V_IN=6.0 V, I_OUT=50 mA ↔ 10 μA, C_OUT=22 μF
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
−50
0
50
100
Ta (°C)
(2) VRO pin
V_IN=6.0 V, I_RO=30 mA ↔ 10 μA, C_RO=22 μF
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.00
−50
0
50
100
Ta (°C)
Overshoot
Undershoot
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