MAX809SEUR+TG035

Product Overview

• Category: Integrated Circuits
• Use: Voltage Monitoring and Resetting
• Characteristics: Low Power Consumption, Precision Voltage Threshold, Small Package Size
• Package: SOT-23-3
• Essence: Voltage Supervisor with Manual Reset Input
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 3.15V, 3.30V, 3.45V, 3.63V, 4.38V, 4.63V
• Manual Reset Input: Active-Low (MR)
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 5µA (typical)

Detailed Pin Configuration

The MAX809SEUR+TG035 is a three-pin device with the following pin configuration:

1. GND: Ground connection
2. MR: Manual reset input (active-low)
3. RESET: Reset output

Functional Features

• Voltage monitoring and resetting functionality
• Precision voltage threshold options for different applications
• Manual reset input for user control
• Low power consumption for energy-efficient designs
• Small package size for space-constrained applications

Advantages

• Wide supply voltage range allows compatibility with various systems
• Multiple reset threshold voltage options provide flexibility in design
• Manual reset input enables manual system reset when required
• Low quiescent current minimizes power consumption
• Small package size saves board space

Disadvantages

• Limited number of reset threshold voltage options available
• Manual reset input may require additional external components for proper operation
• Operating temperature range may not be suitable for extreme environments

Working Principles

The MAX809SEUR+TG035 is a voltage supervisor integrated circuit that monitors the supply voltage and generates a reset signal when the voltage falls below a preset threshold. It operates by comparing the supply voltage with an internal reference voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a power-on reset condition. The manual reset input allows the user to manually assert the reset signal, overriding the automatic monitoring.

Detailed Application Field Plans

The MAX809SEUR+TG035 is commonly used in various applications where reliable voltage monitoring and resetting are required. Some of the typical application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system initialization and preventing erratic behavior during power-up or brownout conditions.
2. Communication Systems: Resetting and reinitializing communication modules to maintain stable operation.
3. Industrial Control Systems: Monitoring power supply integrity and initiating system resets in case of voltage fluctuations.
4. Battery-Powered Devices: Preventing excessive discharge and ensuring safe shutdown during low battery conditions.
5. Automotive Electronics: Monitoring critical voltage levels and triggering system resets to prevent malfunctions.

Detailed and Complete Alternative Models

• MAX809SEUR-T: Similar voltage supervisor with fixed 3.08V reset threshold
• MAX809LEUR+: Voltage supervisor with adjustable reset threshold and active-high reset output
• MAX809MEUR+: Voltage supervisor with adjustable reset threshold and push-pull reset output
• MAX809REUR+: Voltage supervisor with adjustable reset threshold and open-drain reset output

(Note: This list is not exhaustive and there may be other alternative models available from different manufacturers.)

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