MAX809REUR+TGA8

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-3
• Essence: Monitors the voltage level and provides a reset signal when the voltage drops below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.42V, 4.38V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX809REUR+TGA8 IC has a SOT-23-3 package with the following pin configuration:

```

---

| | --| RESET | --| GND | --| VCC | |___________| ```

Functional Features

• Monitors the supply voltage continuously.
• Generates a reset signal when the voltage drops below the specified threshold.
• Provides a precision voltage reference for accurate monitoring.
• Low-power consumption for energy-efficient applications.
• Small form factor package for space-constrained designs.

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Multiple reset threshold voltage options provide flexibility in different applications.
• Precision voltage reference ensures accurate monitoring.
• Low-power consumption extends battery life in portable devices.
• Small package size enables compact circuit design.

Disadvantages

• Limited reset timeout period options may not suit all application requirements.
• SOT-23-3 package may be challenging for manual soldering.

Working Principles

The MAX809REUR+TGA8 operates by comparing the supply voltage with a reference voltage. When the supply voltage drops below the specified threshold, the internal comparator triggers and generates a reset signal. This signal remains active until the supply voltage rises above the threshold again. The IC also includes a precision voltage reference to ensure accurate monitoring.

Application Field Plans

The MAX809REUR+TGA8 is commonly used in various electronic systems where voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers and microprocessors: Ensuring proper system initialization and preventing data corruption during power fluctuations.
2. Battery-powered devices: Monitoring battery voltage to prevent deep discharge and protect sensitive components.
3. Industrial control systems: Providing reliable reset signals to maintain system integrity and avoid malfunction.
4. Automotive electronics: Ensuring stable operation of critical components by monitoring voltage levels.
5. Home automation: Resetting smart devices when power supply issues occur.

Alternative Models

If the MAX809REUR+TGA8 does not meet specific requirements, alternative models with similar functionality are available. Some alternatives to consider are:

1. MAX811SEUS+T: Similar voltage monitor IC with adjustable reset threshold and timeout options.
2. MCP101T-450I/TT: Voltage supervisor IC with programmable reset threshold and timeout features.
3. TPS3808G01DBVR: Precision voltage monitor with adjustable threshold and fixed timeout period.
4. ADM803TAKSZ-REEL7: Microprocessor supervisory circuit with adjustable reset threshold and timeout options.

These alternative models offer different specifications and package options, providing flexibility for various applications.

Word count: 366 words