S-8425AAAFT-TB-X Datasheet, PDF (20/45 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8425 Series
Rev.3.1_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
I_OUT = 50 mA, C_OUT = 22 μF, Ta = 25°C
0.30
0.25
0.20
0.15
0.10
0.05
0.00
012345
ΔVIN (V)
(2) VRO pin
I_RO = 30 mA, C_RO = 22 μF, Ta = 25°C
0.30
0.25
0.20
0.15
0.10
0.05
0.00
012345
ΔVIN (V)
(3) VCH pin
I_CH = 10 mA, C_CH = 10 μF, Ta = 25°C
0.30
0.25
0.20
0.15
0.10
0.05
0.00
012345
ΔVIN (V)
Overshoot
Undershoot
20