S-8424AAAFT-TB-X Datasheet, PDF (28/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Rev.3.0_01
Reference data: Dependency of input voltage (V^IN), load capacitance (C^OUT), output variation width (ΔI^OUT), and
temperature (Ta)
2.1 V_IN Dependency
(1) VOUT pin
(2) VRO pin
C_OUT = 22 μF, I_OUT = 50 mA and 10 μA, Ta = 25°C
0.12
C_RO = 22 μF, I_RO = 30 mA and 10 μA, Ta = 25°C
0.12
0.10
0.10
0.08
0.08
0.06
0.06
0.04
0.04
0.02
0.00
4 5 6 7 8 9 10
VIN (V)
0.02
0.00
4 5 6 7 8 9 10
VIN (V)
2.2 C_OUT Dependency
(1) VOUT pin
(2) VRO pin
V_IN = 6.0 V, I_OUT = 50 mA and 10 μA, Ta = 25°C
0.60
V_IN = 6.0 V, I_RO = 30 mA and 10 μA, Ta = 25°C
0.30
0.50
0.25
0.40
0.20
0.30
0.15
0.20
0.10
0.10
0.00
0
10 20 30 40 50
C_OUT (μF)
0.05
0.00
0
10 20 30 40 50
C_RO (μF)
Overshoot
Undershoot
28