S-8425AAAFT-TB-X Datasheet, PDF (6/45 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8425 Series
Rev.3.1_01
 Absolute Maximum Ratings
Table 1 Absolute Maximum Ratings
(Ta = 25°C, unless otherwise specified)
Item
Symbol
Absolute Maximum Rating
Unit
Primary power supply input voltage
VIN
VSS−0.3 to VSS+18
V
Backup power supply input voltage
VBAT
VSS−0.3 to VSS+18
V
Output voltage of voltage regulator VRO, VOUT, VCH
VSS−0.3 to VIN+0.3
V
CS output voltage
RESET output voltage
VCS
VRESET
V
VSS−0.3 to VSS+18
V
Power
dissipation
8-Pin TSSOP
8-Pin SON(B)
300 (When not mounted on board) mW
PD
700^*1
mW
300 (When not mounted on board) mW
750^*1
mW
Operating ambient temperature
Topr
Storage temperature
Tstg
−40 to +85
°C
−40 to +125
°C
*1. When mounted on board
[Mounted board]
(1) Board size: 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name:JEDEC STANDARD51-7
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.
(1) When mounted on board
800
(2) When not mounted on board
400
700
8-Pin SON(B)
600
300
500
8-Pin TSSOP
400
300 _{8-Pin TSSOP}
200
200
100 ^{8-Pin SON(B)}
100
0
0
50
100
150
0
0
50
100
150
Ambient Temperature Ta (°C)
Ambient Temperature Ta (°C)
Figure 3 Power Dissipation of Package
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