S-8424AAAFT-TB-X Datasheet, PDF (36/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Rev.3.0_01
2.3 PREEND Voltage Detector (−V_DET3 = 2.6 V)
(1) Detection voltage (−V_DET3) temperature
characteristics
20
10
Based on PREEND (−VDET3) voltage
when Ta is 25°C
0
− 10
− 20
−40 −20 0
20 40 60 80 100
VDS (V)
(3) Output current (I_SINK) temperature characteristics
10
8
VIN = VBAT = 2.0 V, V DS = 0.5 V
6
(2) Output current (I_SINK) characteristics
30
25 Ta = 25°C
20
15
10
5
0
0.0
1.0
2.0
VDS (V)
VIN = 3 V
VIN = 1.7 V
3.0
4.0
4
2
0
−40 −20
0 20 40 60 80 100
Ta ( °C)
36