s-8426a Seiko Instruments Inc., s-8426a Datasheet - Page 27

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

Rev.1.0
2. 2 RESET Voltage Detector (−V
2. 3 PREEND Voltage Detector (−V
(1) Detection voltage (−V
(3) Output current (I
(1) Detection voltage (−V
(3) Output current (I
_00
−10
−20
−10
−20
Based on PREEND (−V
20
10
10
20
10
10
0
8
6
4
2
0
0
8
6
4
2
0
Based on RESET (−V
−40
−40
−40
−40
−25
−25
−25
−25
SINK
SINK
) temperature characteristics
) temperature characteristics
DET2
DET3
0
0
0
0
) temperature characteristics
) temperature characteristics
V
V
DET2
DET3
IN
IN
Ta [°C]
Ta [°C]
Ta [°C]
Ta [°C]
= V
= V
) voltage when Ta is 25 ° C
) voltage when Ta is 25 ° C
25
25
25
25
BAT
BAT
DET2
DET3
= 2.0 V, V
= 2.0 V, V
= 2.9 V)
50
50
50
50
= 2.1 V)
Seiko Instruments Inc.
DS
DS
= 0.5 V
= 0.5 V
75
75
75
75
85
85
85
85
(2) Output current (I
(2) Output current (I
30
25
20
15
10
BATTERY BACKUP SWITCHING IC
30
25
20
15
10
5
0
5
0
0
0
Ta = 25 °C
Ta = 25 °C
SINK
SINK
) characteristics
) characteristics
1.0
1.0
V
V
DS
2.0
DS
2.0
[V]
[V]
S-8426A Series
V
V
IN
V
IN
3.0
V
3.0
IN
= 1.7 V
IN
= 1.7 V
= 3 V
= 2 V
4.0
4.0
27