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MB3771_06

更新时间： 2024-11-24 04:16:47

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MB3771_06 数据手册

FUJITSU SEMICONDUCTOR

DATA SHEET

DS04-27400-11E

ASSP For power supply applications

BIPOLAR

Power Supply Monitor

MB3771

■ 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.

■ FEATURES

• Precision voltage detection (V^SA= 4.2 V ± 2.5 %)

• User selectable threshold level with hysteresis (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.

• One type of package (SOP-8pin : 1 type)

■ APPLICATION

• Industrial Equipment

• Arcade Amusement

etc.

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型号	品牌	获取价格	描述	数据表
MB3771P	CYPRESS	获取价格	Power Supply Support Circuit, Adjustable, 2 Channel, BIPolar, PDIP8, PLASTIC, DIP-8
MB3771P	FUJITSU	获取价格	Power Supply Monitor
MB3771-P	CYPRESS	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8, PLASTIC, DIP-8
MB3771PF	FUJITSU	获取价格	Power Supply Monitor
MB3771-PF	CYPRESS	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BIPolar, PDSO8, PLASTIC, SOP-8
MB3771PF-EF	FUJITSU	获取价格	暂无描述
MB3771PF-EF	CYPRESS	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BIPolar, PDSO8, PLASTIC, SOP-8
MB3771PF-ER	FUJITSU	获取价格	暂无描述
MB3771PF-ER	CYPRESS	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BIPolar, PDSO8, PLASTIC, SOP-8
MB3771PF-G-BND-JNE1	FUJITSU	获取价格	ASSP For power supply applications BIPOLAR Power Supply Monitor