S-8425AAAFT-TB-X Datasheet, PDF (26/45 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8425 Series
Rev.3.1_01
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
C_OUT = 22 μF, V_IN = 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 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
ΔIRO (mA)
(3) VCH pin
C_CH = 10 μF, V_IN = 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
ΔICH (mA)
Overshoot
Undershoot
26