MAX6709LUB+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics:
  • Monitors the voltage level of a power supply or battery
  • Generates a reset signal when the voltage falls below a specified threshold
  • Provides a reliable power-on reset for microcontrollers, DSPs, and other digital systems
• Package: SOT23-5
• Essence: Voltage monitoring and reset functionality in a compact package
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V, and adjustable
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6709LUB+T has the following pin configuration:

____ VDD| |GND RST| |MR GND|____|VDD

• VDD: Power Supply Input
• GND: Ground
• RST: Reset Output
• MR: Manual Reset Input

Functional Features

1. Voltage Monitoring: The MAX6709LUB+T continuously monitors the voltage level of the power supply or battery.
2. Reset Signal Generation: When the voltage falls below the specified threshold, the IC generates a reset signal.
3. Power-On Reset: It provides a reliable power-on reset for microcontrollers, DSPs, and other digital systems.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide supply voltage range enables compatibility with various systems. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Fixed reset timeout period may not be adjustable for specific requirements.

Working Principles

The MAX6709LUB+T operates by comparing the input voltage with the specified threshold voltage. When the input voltage falls below the threshold, the IC triggers a reset signal. The reset signal remains active until the input voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX6709LUB+T is commonly used in the following applications:

1. Battery-Powered Devices: Provides low-power voltage monitoring and reset functionality for portable electronics.
2. Embedded Systems: Ensures reliable startup and operation of microcontroller-based systems.
3. Industrial Control Systems: Monitors power supply voltages to prevent system malfunctions or data corruption.

Alternative Models

1. MAX6710LUB+T: Similar to MAX6709LUB+T but with additional features such as adjustable threshold voltage and watchdog timer.
2. MAX809L: Voltage monitor and reset circuit with different package options (SOT23-3, SOT143, etc.) and threshold voltage ranges.

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