s-8425 Seiko Instruments Inc., s-8425 Datasheet - Page 16

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

Reference data:
For reference, the following pages describe the results of measuring the ringing amounts at the VOUT and VRO
pins using the output current (I
as parameters.
16
BATTERY BACKUP SWITCHING IC
S-8425 Series
1.1 I
(1) VOUT pin
(3) VCH pin
C
C
OUT
CH
OUT
0.25
0.20
0.15
0.10
0.05
0.00
= 10 μ F, V
0.25
0.20
0.15
0.10
0.05
0.00
= 22 μ F, V
Dependency
0
0
Dependency of output current (I
input variation width (ΔV
IN
IN
= 6 V and 10 V, Ta = 25 ° C
= 6 V and 10 V, Ta = 25 ° C
20
20
I
I
OUT
OUT
OUT
(mA)
(mA)
), load capacitance (C
40
40
Seiko Instruments Inc.
60
60
IN
), temperature (Ta)
OUT
OUT
(2) VRO pin
C
), load capacitance (C
RO
), input variation width ( Δ V
= 22 μ F, V
0.25
0.20
0.15
0.10
0.05
0.00
0
IN
= 6 V and 10 V, Ta = 25 ° C
20
OUT
I
RO
),
(mA)
IN
40
), and temperature (Ta)
Overshoot
Undershoot
60
Rev.2.3
_00