S-8425AAAFT-TB-X Datasheet, PDF (24/45 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8425 Series
Rev.3.1_01
Reference data: Dependency of input voltage (VIN), load capacitance (C_OUT),
output variation width (ΔI_OUT), temperature (Ta)
2.1 V_IN Dependency
(1) VOUT pin
C_OUT = 22 μF, I_OUT = 50 mA↔10 μA, Ta = 25°C
0.12
(2) VRO pin
C_RO = 22 μF, I_RO = 30 mA↔10 μA, Ta = 25°C
0.12
0.10
0.10
0.08
0.08
0.06
0.04
0.02
0.00
4 5 6 7 8 9 10
VIN (V)
(3) VCH pin
C_CH = 10 μF, I_CH = 10 mA↔10 μA, Ta = 25°C
0.12
0.06
0.04
0.02
0.00
4 5 6 7 8 9 10
VIN (V)
0.10
0.08
0.06
0.04
0.02
0.00 _{4 5 6 7 8 9 10}
VIN (V)
Overshoot
Undershoot
24