MAX803SQ293D3T1G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Detector
• Characteristics: Low-power, Precision, Reset Output
• Package: SOT-23-3
• Essence: Supervisory Circuit
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.0V to 5.5V
• Threshold Voltage Options: 2.93V
• Reset Timeout Period: Adjustable or Fixed
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX803SQ293D3T1G has three pins in the SOT-23-3 package: 1. VCC: Connects to the positive supply voltage. 2. GND: Connects to the ground reference. 3. RESET: Provides a reset output signal.

Functional Features

• Voltage Monitoring: The MAX803SQ293D3T1G continuously monitors the supply voltage and asserts the reset output when the voltage drops below the threshold.
• Precision Threshold: The device has a precise threshold voltage of 2.93V, ensuring accurate detection of low voltage conditions.
• Adjustable/Fixed Timeout Period: The reset timeout period can be either adjustable or fixed, allowing flexibility in system design.
• Low Power Consumption: With a quiescent current of only 1µA, the MAX803SQ293D3T1G minimizes power consumption.

Advantages and Disadvantages

Advantages: - Small form factor and low-profile package make it suitable for space-constrained applications. - Wide supply voltage range enables compatibility with various systems. - Precision threshold ensures reliable voltage monitoring. - Low power consumption prolongs battery life.

Disadvantages: - Limited threshold voltage options may not suit all applications. - Lack of additional features, such as hysteresis, may limit its use in certain scenarios.

Working Principles

The MAX803SQ293D3T1G operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a low voltage condition. The reset output remains active until the supply voltage rises above the threshold or the timeout period elapses.

Detailed Application Field Plans

The MAX803SQ293D3T1G finds applications in various fields, including: 1. Battery-Powered Devices: It can be used to monitor battery voltage and initiate system shutdown or backup procedures when the voltage drops below a critical level. 2. Microcontroller Systems: The voltage detector ensures reliable operation by resetting the microcontroller during power-up or brownout conditions. 3. Industrial Control Systems: It provides supervision and protection for critical components, preventing malfunctions due to voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX803SQ293D4T1G: Similar to MAX803SQ293D3T1G but with a threshold voltage of 2.93V.
2. MAX803SQ293D5T1G: Similar to MAX803SQ293D3T1G but with a threshold voltage of 2.93V.
3. MAX803SQ293D6T1G: Similar to MAX803SQ293D3T1G but with a threshold voltage of 2.93V.

(Note: This list is not exhaustive and other alternative models may exist.)

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