參數(shù)資料
型號(hào)： MB3771
廠商： Fujitsu Limited
英文描述： Power Supply Monitor
中文描述： 電源監(jiān)控
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 183K
代理商： MB3771
DS04-27400-7E
FUJITSU SEMICONDUCTOR
DATA SHEET
ASSP For power supply applications
BIPOLAR
Power Supply Monitor
MB3771
I
DESCRIPTION
The Fujitsu MB3771 is designed to monitor the voltage level of one or two power supplies (+5 V and an arbitrary
voltage) in a microprocessor circuit, memory board in large-size computer, for example.
If the circuit’s power supply deviates more than a specified amount, then the MB3771 generates a reset signal to
the microprocessor. Thus, the computer data is protected from accidental erasure.
Using the MB3771 requires few external components. To monitor only a +5 V supply, the MB3771 requires the
connection of one external capacitor. The level of an arbitrary detection voltage is determined by two external
resistors. The MB3771 is available in an 8-pin Dual In-Line, Single In-Line Package or space saving Flat Package.
I
FEATURES
Precision voltage detection
(
V
SA
=
4.2 V
±
2.5
%
)
User selectable threshold level with hysterisis (V
SB
= 1.23 V
±
1.5
%
)
Monitors the voltage of one or two power supplies (5 V and an arbitrary voltage,
>
1.23 V)
Usable as over voltage detector
Low voltage output for reset signal (V
CC
= 0.8 V typ.)
Minimal number of external components (one capacitor min.)
Low power dissipation (I
CC
= 0.35 mA typ., V
CC
= 5 V)
Detection threshold voltage has hysteresis function
Reference voltage is connectable.
I
PACKAGES
8-pin plastic DIP
8-pin plastic SIP
8-pin plastic SOIP
(DIP-8P-M01)
(SIP-8P-M03)
(FPT-8P-M01)
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MB3771_06 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:Power Supply Monitor
MB3771P 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:Power Supply Monitor
MB3771PF 制造商:FUJITSU 功能描述:Power Supply Supervisor Fujitsu IC 8-Pin SOP SMD 制造商:Panasonic Industrial Company 功能描述:IC
MB3771PF-E1 制造商:FUJITSU 功能描述:Power supply Monitor
MB3771PF-E1# 制造商:FUJITSU 功能描述:
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