MAX6421XS50+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low-Power, Precision, Reset Output
• Package: SC70-5
• Essence: Monitors the power supply voltage and generates a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 4.63V, 4.75V
• Reset Timeout Period: 140ms (typical)
• Quiescent Current: 1.5µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6421XS50+T has a total of 5 pins:

1. GND: Ground pin
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage input
5. TH: Threshold voltage selection input

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the specified threshold
• Provides a manual reset option through the MR pin
• Low quiescent current consumption for power efficiency
• Wide operating temperature range for versatile applications

Advantages and Disadvantages

Advantages: - Low-power operation - Precision voltage monitoring - Small package size - Wide supply voltage range

Disadvantages: - Limited reset threshold voltage options - No adjustable reset timeout period

Working Principles

The MAX6421XS50+T operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The reset signal remains active until the supply voltage rises above the threshold and a timeout period elapses.

Detailed Application Field Plans

The MAX6421XS50+T is commonly used in various applications where reliable voltage monitoring and reset generation are required. Some potential application fields include:

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

Detailed and Complete Alternative Models

1. MAX6421XS46+T: Similar to MAX6421XS50+T but with different reset threshold voltage options (2.93V, 3.08V, 4.38V, 4.50V)
2. MAX6421XS48+T: Similar to MAX6421XS50+T but with different reset threshold voltage options (2.93V, 3.08V, 4.50V, 4.63V)
3. MAX6421XS49+T: Similar to MAX6421XS50+T but with different reset threshold voltage options (2.93V, 3.08V, 4.50V, 4.75V)

These alternative models provide flexibility in selecting the desired reset threshold voltage for specific application requirements.

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