LM3880MF-1AA

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LM3880MF-1AA

+Nomenclature

IC PWR SUPPLY SEQUENCER SOT23-6

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Spécifications

Attribut Valeur
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Part Status Not For New Designs
Applications Power Supply Sequencer
Voltage - Supply 2.7V ~ 5.5V
Supply Current 25 µA
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Présentation

Description

The LM3880MF-1AA is a power management integrated circuit (IC) designed by Texas Instruments. It is part of the LM3880 family, which provides simple power sequencing solutions for a variety of applications. The IC features three open-drain outputs that enable the sequential powering of multiple voltage rails, crucial for systems requiring specific power-up and power-down sequences to ensure stable operation and prevent potential damage to components.
The LM3880MF-1AA operates with an input voltage range from 2.7V to 5.5V, making it suitable for a wide range of applications. It is equipped with programmable delay times between each output stage, allowing users to configure the sequencing timing based on their system’s requirements. The device also includes a manual reset input, facilitating system resets when needed.
Packaged in a compact SOT-23-6 form factor, the LM3880MF-1AA is ideal for space-constrained applications. Its low-power consumption and reliable sequencing capabilities make it suitable for use in consumer electronics, telecommunications, and other embedded systems.

Equivalent

The LM3880MF-1AA is a power management IC used for power sequencing. Equivalent products may include the TPS3808 series from Texas Instruments for similar supervisory and sequencing functions, or the MAX16054 from Maxim Integrated. However, compatibility depends on specific application requirements like voltage thresholds, timing, and package type, so always verify these parameters when selecting an equivalent.

Features

The LM3880MF-1AA is a power management integrated circuit designed for sequencing multiple voltage rails in electronic systems. Key features include:
1. Sequencing Capability: It can control the power-up and power-down sequence of up to three voltage rails.
2. Adjustable Timing: The device allows for adjustable delay timing between outputs, enabling precise sequencing control.
3. Active Low Enable: It features an active low enable input for easy integration into various systems.
4. Small Package: Available in a compact MSOP-8 package, which is suitable for space-constrained applications.
5. Wide Operating Voltage: It supports a wide input voltage range, typically from 2.7V to 5.5V, making it compatible with various power supply configurations.
6. Low Quiescent Current: Designed for low power consumption, contributing to overall system efficiency.
7. High Reliability: Built to enhance system reliability by managing power sequences effectively, preventing potential damage from improper power-up/power-down sequences.
These features make the LM3880MF-1AA suitable for use in applications requiring precise power sequencing, such as computing, telecommunications, and industrial systems.

Pinout

The LM3880MF-1AA is a simple power sequencer from Texas Instruments. It is housed in an 8-pin VSSOP (also known as MSOP) package. The key functions of the LM3880MF-1AA are as follows:
1. Enable Pin (EN): This input pin is used to enable the sequencing process.
2. Output Pins (OUT1, OUT2, OUT3): These three output pins provide the sequenced control signals.
3. Time Delay Configuration: The time delay between each output signal is internally set, providing staggered power-up sequencing.
4. GND Pin: The ground reference for the device.
5. VCC Pin: The supply voltage pin for the device operation.
The LM3880MF-1AA is used to ensure that multiple power rails in a system are enabled in a specific sequence, preventing issues that might occur if the components are powered up simultaneously.

Manufacturer

The LM3880MF-1AA is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in a wide array of electronic applications. TI is known for producing products that serve the industrial, automotive, personal electronics, communications equipment, and enterprise systems markets, among others. With a strong focus on innovation and engineering, the company is recognized for its significant contributions to the electronics industry, including products such as analog chips, embedded processors, and digital signal processors.

Application

The LM3880MF-1AA is a simple power sequencing controller used in various applications. Its primary purpose is to manage the sequential power-up and power-down of multiple voltage rails in electronic systems. Common application areas include microprocessor and microcontroller systems, FPGA and ASIC power sequencing, telecommunications, and data communication equipment. It helps ensure that components receive power in the correct order, preventing potential damage and ensuring reliable operation. Additionally, it can be used in embedded systems, industrial controls, and any application requiring precise power-up timing for multiple voltage domains.

Package

The LM3880MF-1AA is a power sequencer IC from Texas Instruments. It comes in a small-outline transistor (SOT-23-6) package, which is a surface-mount package commonly used for integrated circuits.

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