s-8424a Seiko Instruments Inc., s-8424a Datasheet - Page 24

• Manufacturer Part Number: s-8424a
• Description: Battery Backup Switching Ic
• Manufacturer: Seiko Instruments Inc.

24
BATTERY BACKUP SWITCHING IC
S-8424A Series
Reference data: Dependency of output current (I
temperature (Ta)
1.1 I
1.2 C
For reference, the following pages describe the results of measuring the ringing amounts at the VOUT and
VRO pins using the output current (I
temperature (Ta) as parameters.
(1) VOUT pin
(1) VOUT pin
OUT
OUT
Dependency
C
Dependency
I
OUT
OUT
=
=
0.25
0.20
0.15
0.10
0.05
0.00
0.50
0.40
0.30
0.20
0.10
0.00
50 mA, V
22 μ F, V
0
0
IN
IN
10
=
=
6 V and 10 V, Ta
I
6 V and 10 V, Ta
20
OUT
C
20
OUT
(mA)
( μ F)
30
40
Seiko Instruments Inc.
40
OUT
=
=
25 ° C
OUT
), load capacitance (C
25 ° C
60
50
), load capacitance (C
(2) VRO pin
(2) VRO pin
I
RO
C
RO
=
=
30 mA, V
0.25
0.20
0.15
0.10
0.05
0.00
0.50
0.40
0.30
0.20
0.10
0.00
22 μ F, V
OUT
OUT
0
0
), input variation width ( Δ V
), input variation width ( Δ V
IN
IN
=
10
=
6 V and 10 V, Ta
6 V and 10 V, Ta
20
C
I
RO
RO
20
(μF)
(mA)
30
40
Overshoot
Undershoot
40
=
Rev.2.2
=
25°C
IN
25 ° C
),
60
50
IN
), and
_00