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參數(shù)資料
| 型號： | SP805TEP |
| 英文描述： | 3.0V/3.3V Low Power Microprocessor Supervisory with Battery Switch-Over |
| 中文描述： | 3.0V/3.3V低功耗微處理器監(jiān)控與電池開關(guān)過 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 233K |
| 代理商： | SP805TEP |
1
SP690T/S/R DS/10 SP690T/S/R, 802/T/S/R, 804T/S/R, 805T/S/R Low Power Microprocessor Supervisory
Copyright 2000 Sipex Corporation
SP690T/S/R, SP802T/S/R,
SP804T/S/R, and SP805T/S/R
3.0V/3.3V Low Power Microprocessor
Supervisory with Battery Switch-Over
The
SP690T/S/R, SP802T/S/R, SP804T/S/R
and
SP805T/S/R
devices
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
SP690T/S/R, SP802T/S/R,
SP804T/S/R
and
SP805T/S/R
devices 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 3.0V or 3.3V applications in portable electronics, computers,
controllers, and intelligent instruments and is a solid match for designs where it is critical to
monitor the power supply to the
μ
P and it’s related digital components. Refer to
Sipex's
SP690A/692A/802L/802M/805L/805M
series for similar devices designed for +5V systems.
I
RESET and RESET Outputs
I
Reset asserted down to V
CC
= 1V
I
Reset Time Delay - 200ms
I
Watchdog Timer - 1.6 sec timeout
I
40
μ
A Maximum V
Supply Current
I
1
μ
A Maximum Battery Supply Current
I
Power Switching
50mA Output in V
Mode (1.5
)
10mA Output in Battery Mode (15
)
I
Battery Can Exceed V
in Normal Operation
I
Precision Voltage Monitor for Power-Fail
or Low-Battery Warning
I
Available in 8 pin SO and DIP packages
I
Pin Compatible Upgrades to
MAX690T/S/R, MAX802T/S/R,
MAX804T/S/R, MAX805T/S/R
DESCRIPTION
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