S-8426AAA-J8T1X Datasheet, PDF (26/37 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8426A Series
Rev.2.0_02
1. 11 Load Stability (VRO) Temperature Characteristics
40
1. 12 Load Stability (VRO) Temperature Characteristics
40
30
30
20
20
10
10
0
40 25
0
25 50
Ta [C]
75 85
0
40 25
0
25 50
Ta [C]
75 85
2. Voltage Detector
2. 1 CS Voltage Detector (−VDET1 = 4.5 V)
(1) Detection voltage (−VDET1) temperature characteristics
Based on CS (−VDET1) voltage when Ta is 25 °C
20
10
0
10
20
40 25
0
25 50
Ta [C]
75 85
(3) Output current (ISINK) temperature characteristics
VIN = VBAT = 2.0 V, VDS = 0.5 V
10
8
6
4
2
0
40 25
0
25 50
Ta [C]
75 85
(2) Output current (ISINK) characteristics
30
Ta = 25 C
25
20
15
10
5
0
0
1.0
VIN = 3 V
VIN = 1.7 V
2.0
3.0
4.0
VDS [V]
26