S-8426AAA-J8T1X Datasheet, PDF (5/37 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

Rev.2.0_02
BATTERY BACKUP SWITCHING IC
S-8426A Series
 Absolute Maximum Ratings
Table 4
Item
Symbol
Primary power supply input voltage
Backup power supply input voltage
Output voltage of voltage regulator
CS output voltage
RESET output voltage
VIN
VBAT
VRO, VOUT
VCS
VRESET
PREEND output voltage
VPREEND
Power dissipation
8-Pin TSSOP
8-Pin SOP(JEDEC)
PD
Operating ambient temperature
Topr
Storage temperature
Tstg
*1. At mounted on printed circuit board
[Mounted board]
(1) Board size: 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name: JEDEC STANDARD51-7
(Unless otherwise specified: Ta = 25 °C)
Absolute Maximum Tatings
Unit
VSS−0.3 to VSS+18
V
VSS−0.3 to VSS+18
V
VSS−0.3 to VIN+0.3
V
VSS−0.3 to VSS+18
V
VSS−0.3 to VSS+18
V
VSS−0.3 to VSS+18
V
700^*1
mW
850^*1
mW
−40 to +85
°C
−40 to +125
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
1200
1000
800
8-Pin SOP(JEDEC)
8-Pin TSSOP
600
400
200
0
0
50
100
150
Ambient Temperature (Ta) [°C]
Figure 4 Power Dissipation of Package (Mounted on Printed Circuit Board)
5