s-8425 Seiko Instruments Inc., s-8425 Datasheet - Page 24

• Manufacturer Part Number: s-8425
• Description: Battery Backup Switching Ic
• Manufacturer: Seiko Instruments Inc.

24
BATTERY BACKUP SWITCHING IC
S-8425 Series
2.3 ΔI
Δ I
For example, Δ I
(1) VOUT pin
C
(3) VCH pin
C
OUT
OUT
CH
0.12
0.10
0.08
0.06
0.04
0.02
0.00
= 10 μ F, V
and Δ I
OUT
= 22 μ F, V
0.12
0.10
0.08
0.06
0.04
0.02
0.00
Dependency
0 10 20 30 40 50 60
RO
0 10 20 30 40 50 60
show the fluctuation between the low current stabilized at 10 μ A and the high current.
OUT
IN
IN
= 6 V, Ta = 25 ° C
= 6 V, Ta = 25 ° C
Δ I
= 10 mA means a fluctuation between 10 μ A and 10 mA.
Δ I
OUT
CH
(mA)
(mA)
Seiko Instruments Inc.
(2) VRO pin
C
RO
= 22 μ F, V
0.12
0.10
0.08
0.06
0.04
0.02
0.00
0 10 20 30 40 50 60
IN
= 6 V, Ta = 25 ° C
Δ I
RO
(mA)
Overshoot
Undershoot
Rev.2.3
_00