MAX709LESA+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX709LESA+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply control.

Characteristics

• Voltage monitoring and power supply control capabilities
• Compact package size
• High reliability and accuracy
• Low power consumption

Package

The MAX709LESA+ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of MAX709LESA+ lies in its ability to monitor voltage levels and control power supply, ensuring stable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Reset
• Reset Threshold Voltage: Adjustable from 1.25V to 4.63V
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The MAX709LESA+ has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. RESET: Active-low reset output
4. THRES: Threshold voltage adjustment pin

Functional Features

• Voltage Monitoring: The MAX709LESA+ continuously monitors the input voltage and generates a reset signal when it falls below the threshold voltage.
• Power Supply Control: It provides a reliable means of controlling the power supply to prevent damage to sensitive components during voltage fluctuations.
• Adjustable Threshold Voltage: The threshold voltage can be adjusted to suit specific application requirements.
• Low Power Consumption: The IC operates with low quiescent current, minimizing power consumption.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring
• Adjustable threshold voltage for flexibility
• Compact package size for space-constrained applications
• Low power consumption for energy efficiency

Disadvantages

• Limited operating temperature range (-40°C to +85°C)
• Requires external components for complete functionality

Working Principles

The MAX709LESA+ operates by continuously monitoring the input voltage using an internal voltage reference. When the voltage falls below the threshold level set by the THRES pin, the IC generates an active-low reset signal. This signal can be used to trigger various actions, such as shutting down the device or initiating a system reset.

Detailed Application Field Plans

The MAX709LESA+ finds applications in various fields, including: 1. Consumer electronics: Power supply control in smartphones, tablets, and gaming consoles. 2. Industrial automation: Voltage monitoring and power supply control in PLCs (Programmable Logic Controllers) and industrial equipment. 3. Automotive electronics: Ensuring stable power supply in automotive systems, such as engine control units and infotainment systems. 4. Medical devices: Voltage monitoring and power supply control in medical equipment, ensuring patient safety.

Detailed and Complete Alternative Models

1. MAX708LESA+: Similar to MAX709LESA+, but with fixed threshold voltage.
2. MAX811LEUS-T: Microprocessor supervisory circuit with adjustable threshold voltage and push-pull output.
3. LTC2910CMS#PBF: Precision voltage supervisor with adjustable threshold voltage and wide operating temperature range.

These alternative models offer similar functionalities to the MAX709LESA+ and can be considered based on specific application requirements.

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