s-8424a Seiko Instruments Inc., s-8424a Datasheet - Page 33

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

Rev.2.2
1.3 Output Current (I
1.5 Output Current (I
1.7 Output voltage (V
1.9 Input Stability (V
1.11 Load Stability (V
_00
1.0
0.8
0.6
0.4
0.2
0.0
− 10
− 20
− 30
40
30
20
10
30
20
10
3.25
3.15
3.05
2.95
2.85
20
15
10
0
0
5
0
0
1 μ
− 40
−40
− 40 − 20
V
Based on V
RO
RO
IN
V
−20
− 20
RO
IN
RO
= 6 V, I
) vs. Dropout Voltage (V
) vs. Output Voltage (V
RO
) Temperature Characteristics
= 6 V
) Temperature Characteristics
) Temperature Characteristics
0.02
100 μ
0
RO
RO
0
= 30 mA
Ta = 85 ° C
0
Ta = −40 ° C
voltage when Ta is 25°C
Ta ( ° C)
I
Ta (°C)
RO
20
I
Ta ( ° C)
RO
20
25° C
− 40 ° C
(A)
20
(A)
25 ° C
85 ° C
40
40
0.04
40
10 m
RO
drop1
60
) Characteristics
60
60
) Characteristics
Seiko Instruments Inc.
80
80
80
0.06
100
100
100
1
1.4 Output Current (I
1.6 Output Current (I
1.8 Output voltage (V
1.12 Load Stability (V
1.10 Input Stability (V
1.0
0.8
0.6
0.4
0.2
0.0
− 10
− 20
− 30
40
30
20
10
30
20
10
3.25
3.15
3.05
2.95
2.85
20
15
10
0
0
0
5
0
BATTERY BACKUP SWITCHING IC
1 μ
−40
− 40
− 40 − 20
OUT
OUT
V
−20
− 20
V
Based on V
IN
OUT
IN
RO
OUT
) vs. Dropout Voltage (V
) vs. Output Voltage (V
= 6 V
= 6 V, I
) Temperature Characteristics
) Temperature Characteristics
) Temperature Characteristics
0.02
100 μ
0
0
OUT
OUT
Ta ( ° C)
0
Ta = 85 ° C
Ta = − 40 ° C
Ta (°C)
I
OUT
I
= 50 mA
20
RO
voltage when Ta is 25 ° C
Ta ( ° C)
20
25 °C
− 40 ° C
20
(A)
25 ° C
85 ° C
(A)
40
40
0.04
40
10 m
S-8424A Series
OUT
60
60
drop2
60
) Characteristics
) Characteristics
80
80
80 100
100
0.06
100
1
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