s-8426a Seiko Instruments Inc., s-8426a Datasheet - Page 28

• Manufacturer Part Number: s-8426a
• Description: Battery Backup Switching Ic
• Manufacturer: Seiko Instruments Inc.

28
BATTERY BACKUP SWITCHING IC
S-8426A Series
3. Switch Unit
4. Consumption Current
3. 5 V
4. 1 V
3. 1 Switch Voltage (V
3. 3 Input Voltage (V
BAT
IN
−10
−20
vs. V
16
14
12
10
20
10
Switch Leakage Current (I
30
25
20
15
10
60
50
50
30
20
10
8
6
4
2
0
0
5
0
0
IN
−40
−40
Consumption Current (I
0
1
−25
−25
BAT
2
SW1
) vs. VBAT Switch Resistance (R
) Temperature Characteristics
4
2
Based on V
0
0
6
LEAK
V
SS1
V
) Temperature Characteristics
8
Ta [°C]
Ta [°C]
BAT
IN
) Characteristics
25
25
3
SW1
[V]
10
[V]
voltage when Ta is 25 °C
V
IN
12
Ta = 85 °C
Ta = 25 °C
Ta = −40 °C
= 6.0 V, V
50
50
Seiko Instruments Inc.
SW
4
14
I
) Characteristics 3. 4 V
OUT
= 500 µA
BAT
16
75
75
= 0 V
18
85
85
5
3. 2 CS Output Inhibit Voltage (V
4. 2 Consumption Current Temperature
BAT
−10
−20
Switch Resistance (R
16
12
20
10
60
50
40
30
20
10
8
4
0
0
0
−40
−40
−40
−25
−25
−25
SW
SW2
Based on V
) Temperature Characteristics
0
0
0
) Temperature Characteristics
Ta [°C]
Ta [°C]
Ta [°C]
25
25
25
SW2
voltage when Ta is 25 °C
V
V
BAT
IN
= 6.0 V, V
= 3 V, I
50
50
50
Rev.1.0
OUT
BAT
= 500 µA
= 3.0 V
75
75
75
85
85
85
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