MAX818LESA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, small package size
• Package: 8-pin Small Outline Integrated Circuit (SOIC)
• Essence: Provides accurate monitoring and reset functionality for electronic systems
• Packaging/Quantity: Available in tape and reel packaging, quantity per reel varies

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.63V, 3.08V, 4.38V, and adjustable
• Reset Timeout Period: 140ms, 560ms, or adjustable
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 7µA (typical)

Detailed Pin Configuration

The MAX818LESA+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | MR | Manual Reset Input | | 3 | RESET | Active-Low Reset Output | | 4 | VCC | Supply Voltage | | 5 | TH | Threshold Voltage Selection | | 6 | TO | Reset Timeout Selection | | 7 | CT | Capacitor Connection for Adjustable Timeout | | 8 | NC | No Connect |

Functional Features

• Accurate voltage monitoring and reset generation for electronic systems
• Wide supply voltage range allows compatibility with various power sources
• Multiple threshold voltage options for flexible system requirements
• Selectable reset timeout period for customized timing needs
• Manual reset input for immediate system reset
• Low quiescent current ensures minimal power consumption

Advantages and Disadvantages

Advantages

• Provides precise voltage monitoring, ensuring system stability
• Small package size allows for space-efficient integration into electronic designs
• Wide supply voltage range enables compatibility with diverse applications
• Adjustable threshold voltage and reset timeout offer flexibility in system design
• Manual reset input provides an additional control option

Disadvantages

• Limited number of threshold voltage options may not cater to all specific requirements
• Adjustable timeout feature requires additional external capacitor for configuration

Working Principles

The MAX818LESA+ operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold level, the reset output is activated, indicating a low-voltage condition. The reset remains active until the voltage rises above the threshold or a manual reset signal is received. The reset timeout period can be set to a fixed duration or adjusted using an external capacitor.

Detailed Application Field Plans

The MAX818LESA+ finds application in various fields, including: 1. Battery-powered devices: Ensures proper shutdown or system reset when battery voltage drops below a critical level. 2. Microcontroller systems: Monitors power supply voltage to prevent erratic behavior or data corruption during voltage fluctuations. 3. Industrial automation: Provides reliable reset functionality for control systems, ensuring safe operation after power interruptions. 4. Automotive electronics: Protects sensitive components from voltage dips or transients, enhancing overall system reliability.

Detailed and Complete Alternative Models

1. MAX809LEUR+: Similar functionality with adjustable threshold voltage and reset timeout, available in SOT-23 package.
2. MAX811SEUS-T: Voltage monitor and reset circuit with fixed threshold voltage and adjustable reset timeout, offered in SOT-143 package.
3. MAX813LESA+: Precision voltage monitor and reset IC with adjustable threshold voltage and fixed reset timeout, packaged in SOIC-8.

(Note: The above alternative models are provided for reference and may have different specifications or features. Please refer to the respective datasheets for detailed information.)

This comprehensive encyclopedia entry provides an overview of the MAX818LESA+ voltage monitor and reset circuit, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.