MAX825TEXK+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT23-5
• Essence: Monitors Power Supply Voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX825TEXK+T features a SOT23-5 package with the following pin configuration:

1. GND: Ground connection
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. NC: No connection

Functional Features

• Monitors power supply voltage and asserts reset when voltage drops below the specified threshold.
• Provides a precision reset output signal to indicate when the power supply is within the acceptable range.
• Offers a manual reset input for external control of the reset function.

Advantages and Disadvantages

Advantages

• Low-power consumption, making it suitable for battery-powered applications.
• Precision monitoring ensures reliable operation.
• Small form factor package allows for space-constrained designs.
• Wide supply voltage range enables compatibility with various systems.

Disadvantages

• Limited number of reset threshold voltage options.
• Single-channel design may not be suitable for applications requiring multiple voltage monitoring.

Working Principles

The MAX825TEXK+T operates by continuously monitoring the power supply voltage using an internal voltage reference. When the voltage drops below the specified threshold, the reset output is asserted, indicating a power failure. The reset output remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The MAX825TEXK+T is commonly used in various applications where reliable power supply monitoring is critical. Some potential application fields include:

1. Battery-powered devices: Ensures proper operation and prevents data loss during low battery conditions.
2. Microcontroller systems: Provides a reset signal to restart the system in case of power supply fluctuations.
3. Industrial control systems: Monitors power supply integrity to prevent damage to sensitive equipment.

Detailed and Complete Alternative Models

• MAX823TEXK+T: Similar functionality with different reset threshold voltage options.
• MAX826TEXK+T: Enhanced version with additional features such as adjustable reset timeout period.

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