MAX823SEUK+TG035

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset output
• Package: SOT23-5
• Essence: Monitors the supply voltage and generates a reset signal when the voltage falls below a specified threshold
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 3.6V
• Reset Timeout Period: Adjustable or Fixed (140ms, 280ms, 560ms, 1120ms)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX823SEUK+TG035 IC has the following pin configuration:

1. GND (Ground)
2. MR (Manual Reset Input)
3. RESET (Reset Output)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)

Functional Features

• Monitors the supply voltage continuously
• Generates a reset signal when the voltage drops below the set threshold
• Provides a manual reset input for immediate system reset
• Adjustable or fixed reset timeout period options
• Low-power consumption for battery-powered applications

Advantages and Disadvantages

Advantages

• Precise voltage monitoring ensures reliable system operation
• Small package size allows for space-saving designs
• Wide supply voltage range enables compatibility with various systems
• Adjustable reset timeout period offers flexibility in different applications

Disadvantages

• Limited threshold voltage options may not suit all voltage requirements
• Manual reset input may require additional external components for proper functionality

Working Principles

The MAX823SEUK+TG035 operates by continuously monitoring the supply voltage using an internal voltage reference and comparator. When the voltage falls below the set threshold, the reset output is activated, indicating a power failure or low voltage condition. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX823SEUK+TG035 is commonly used in various electronic systems that require reliable voltage monitoring and reset functionality. Some application fields include:

1. Microcontrollers and Microprocessors
2. Embedded Systems
3. Industrial Control Systems
4. Power Management Circuits
5. Battery-Powered Devices

Detailed and Complete Alternative Models

• MAX809SEUR+T: SOT23-3 package, fixed 2.93V threshold voltage, adjustable reset timeout period
• MAX811SEUS+T: SOT143 package, fixed 2.63V threshold voltage, fixed reset timeout period (140ms)
• MAX803SEXR+T: SC70-3 package, fixed 2.93V threshold voltage, adjustable reset timeout period

These alternative models offer similar voltage monitoring and reset circuit functionalities with slight variations in package type, threshold voltage, and reset timeout options.

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