s-8426a Seiko Instruments Inc., s-8426a Datasheet - Page 3

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

Rev.1.0
Remark 1.
*1. +V
Caution
S-8426AAA-J8T1G
Product Name Structure
1. Product Name
2. Product Name List
+V
*1. Refer to the taping specifications.
*2. Refer to the “2. Product Name List”.
S-8426A
Model No.
DET4
DET4
2.
3.
_00
Set the CS voltage so that the switch voltage (V
voltage (−V
can be calculated by −V
= (+V
The selection range is as follows.
V
−V
−V
−V
V
When V
If a product with a voltage other than above is required, contact our sales representative.
RO
SW1
DET1
DET2
DET3
DET1
, V
xx – xxxx G
: +V
OUT
:
:
:
) + 15 × {(−V
SW2
DET1
Voltage
:
DET2
Output
5.000
V
> +V
RO
2.3 to 5.4 V (0.1 V steps)
2.4 to 5.3 V (0.1 V steps)
1.7 to 3.4 V (0.1 V steps )
1.7 to 3.4 V (0.1 V steps)
).
× 0.85 or +V
DET1
Voltage
DET1
Output
, +V
5.000
V
DET1
OUT
) − 0.8} ÷ 372
DET4
DET1
with the following equation.
Package name (abbreviation) and IC packing specifications
Serial code
× 0.85 or +V
Voltage
T8T1
J8T1
Sequentially set from AA to ZZ
× 0.77
4.500
− V
CS
DET1
Seiko Instruments Inc.
：8-Pin TSSOP, Tape
：8-Pin SOP(JEDEC), Tape
*2
Voltage
× 0.95
+V
DET4
+V
Table 1
CS
DET1
OUT
× 0.77
Voltage
SW1
RESET
2.900
−V
) is equal to or greater than the RESET detection
DET2
BATTERY BACKUP SWITCHING IC
Voltage
RESET
3.068
+ V
DET2
PREEND
Voltage
2.100
− V
DET3
PREEND
Voltage
2.207
+ V
S-8426A Series
DET3
*1
+V
Voltage
× 0.77
Switch
V
DET4
SW1
*1
3