s-8424a Seiko Instruments Inc., s-8424a Datasheet - Page 36

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

3. Switch Unit
3.1 Switch Voltage (V
3.3 Input Voltage (V
3.5 V
36
BATTERY BACKUP SWITCHING IC
S-8424A Series
Resistance(R
Characteristics
BAT
30
25
20
15
10
Switch Leakage Current (I
5
60
50
40
30
20
10
0
−10
−20
0
20
10
0
1
− 40
−40
V
IN
Based on V
= 6.0 V, V
− 20
SW
− 20
) Characteristics
BAT
2
SW1
) vs. V BAT Switch
0
BAT
0
) Temperature Characteristics 3.2 CS Output Inhibit Voltage (V
SW1
= 0 V
Ta ( ° C)
Ta ( ° C)
voltage when Ta is 25 ° C
20
V
20
BAT
3
I
OUT
(V)
40
40
= 500 μ A
LEAK
60
60
4
) Temperature
80
80
Seiko Instruments Inc.
100
100
5
3.4 V
Characteristics
Characteristics
BAT
− 10
− 20
Switch Resistance (R
60
50
40
30
20
10
20
10
0
0
− 40
− 40
V
BAT
− 20
− 20
= 3 V, I
Based on V
OUT
0
0
Ta (°C)
= 500 μ A
Ta ( ° C)
20
20
SW2
SW
voltage when Ta is 25°C
40
SW2
) Temperature
40
) Temperature
60
60
80
80
Rev.2.2
100
100
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