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參數資料
| 型號： | 692A |
| 英文描述： | Low Power Microprocessor Supervisory with Battery Switch-Over |
| 中文描述： | 低功耗微處理器監控與電池開關過 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 423K |
| 代理商： | 692A |
Date: 11/29/04 SP690A/692A Low Power Microprocessor Supervisory with Battery Switch-Over
Copyright 2004 Sipex Corporation
1
SP690A/692A/802L/
802M/805L/805M
Low Power Microprocessor Supervisory
with Battery Switch-Over
The
SP690A/692A/802L/802M/805L/805M
are a family of microprocessor (
μ
P) supervisory
circuits that integrate a myriad of components involved in discrete solutions to monitor power-
supply and battery-control functions in
μ
P and digital systems. The series will significantly
improve system reliability and operational efficiency when compared to discrete solutions.
The features of the
SP690A/692A/802L/802M/805L/805M
include a watchdog timer, a
μ
P
reset and backup-battery switchover, and power-failure warning, a complete
μ
P monitoring
and watchdog solution. The series is ideal for applications in automotive systems, computers,
controllers, and intelligent instruments. All designs where it is critical to monitor the power
supply to the
μ
P and it’s related digital components will find the series to be an ideal solution.
FEATURES
■
Precision Voltage Monitor:
SP690A/SP802L/SP805L at 4.65V
SP692A/SP802M/SP805M at 4.40V
■
Reset Time Delay - 200ms
■
Watchdog Timer - 1.6 sec timeout
■
Minimum component count
■
60
μ
A Maximum Operating Supply Current
■
0.6
μ
A Maximum Battery Backup Current
■
0.1
μ
A Maximum Battery Standby Current
■
Power Switching
250mA Output in V
Mode (0.6
)
25mA Output in Battery Mode (5
)
■
Voltage Monitor for Power Fail or
Low Battery Warning
■
Available in 8 pin SO and DIP packages
■
RESET asserted down to V
CC
= 1V
DESCRIPTION
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A
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A
0
9
6
P
S
V
5
6
V
m
5
2
1
W
O
L
%
4
A
2
9
6
P
S
V
0
4
V
m
5
2
1
W
O
L
%
4
L
2
0
8
P
S
V
5
6
V
m
5
7
W
O
L
%
2
M
2
0
8
P
S
V
0
4
V
m
5
7
W
O
L
%
2
L
5
0
8
P
S
V
5
6
V
m
5
2
1
H
G
I
H
%
4
M
5
0
8
P
S
V
0
4
V
m
5
2
1
H
G
I
H
%
4
1
2
3
4
5
6
7
8
8 PIN NSOIC
VOUT
VCC
GND
PFI
VBATT
RESET (RESET)*
WDI
PFO
*SP805 only
Now Available in Lead Free Packaging
■
Pin Compatible Upgrades to
MAX690A/692A/802L/802M/805L
APPLICATIONS
■
Critical
μ
P Power Monitoring
■
Intellegent Instruments
■
Computers
■
Controllers
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