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LM3881MM/NOPB

LM3881MM/NOPB - Supervisory Circuits: Power Sequencer

Manufacturer:

Texas Instruments
Mfr.Part #:

LM3881MM/NOPB
Datasheet:

LM3881MM/NOPB Datasheet (PDF)
Supply voltage (min) (V):

2.7
Number of supplies monitored:

3
Supply voltage (max) (V):

5.5
Iq (typ) (mA):

0.08
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LM3881MM/NOPB General Description

The LM3881MM/NOPB is a low power, microprocessor supervisor circuit designed to monitor the power supply of a microprocessor system. It features a precision voltage reference and comparator to provide a reset signal to the microprocessor when the supply voltage falls below a predetermined level. This ensures reliable operation of the system by preventing it from operating in an undervoltage condition.This device has a wide operating voltage range from 2.7V to 10V, making it suitable for a variety of applications. The reset output is an active low signal that goes high when the voltage is above the threshold level, and low when it falls below the threshold.The LM3881MM/NOPB also offers a manual reset input for external system reset control, as well as an open-drain reset output for interfacing with other devices. It comes in a small, space-saving MSOP-8 package, making it ideal for compact designs and applications where board space is limited

Key Features

Standby Power Management IC

Wide input voltage range of 2.7V to 28V

Low power consumption in standby mode (<1µA)

Includes soft-start feature for power-up sequencing

Over-temperature and over-voltage protection

Small footprint SOT-23 package

Application

The LM3881MM/NOPB is commonly used in electronic devices that require power management, such as laptops, mobile phones, tablets, and other portable devices

It is also utilized in battery-powered devices, consumer electronics, and industrial applications where power efficiency and reliability are critical

Specifications

Supply voltage (min) (V)	2.7	Number of supplies monitored	3
Supply voltage (max) (V)	5.5	Iq (typ) (mA)	0.08
Number of sequenced outputs	3	Rating	Catalog
Operating temperature range (°C)	-40 to 125