MAX6388XS43D4-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, reset generation
• Package: SOT23-4
• Essence: Ensures reliable system operation by monitoring the power supply voltage and generating a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Threshold Voltage Options: 4.3V
• Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 2µA (typical)

Pin Configuration

The MAX6388XS43D4-T has a SOT23-4 package with the following pin configuration:

____ VCC| |GND RST| |MR |____|

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

Functional Features

• Monitors the power supply voltage continuously
• Generates a reset signal when the voltage drops below the threshold
• Provides manual reset capability through the MR pin
• Low quiescent current for power efficiency
• Precision voltage monitoring for accurate detection

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Accurate voltage monitoring ensures reliable operation - Low-power consumption for energy-efficient designs - Small package size enables space-saving integration

Disadvantages: - Limited threshold voltage options may not suit all applications - Lack of additional features compared to more advanced voltage monitoring ICs

Working Principles

The MAX6388XS43D4-T operates by continuously monitoring the power supply voltage. When the voltage falls below the specified threshold (in this case, 4.3V), it generates a reset signal on the RST pin. This reset signal can be used to restart or initialize the system, ensuring proper operation even in the presence of voltage fluctuations or power supply issues.

Additionally, the MR pin allows for manual reset capability. When this pin is pulled low, it forces the generation of a reset signal, regardless of the monitored voltage level.

Detailed Application Field Plans

The MAX6388XS43D4-T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper initialization and reliable operation of these digital devices.
2. Industrial Control Systems: Providing fault detection and recovery mechanisms in critical control applications.
3. Automotive Electronics: Monitoring and resetting microcontrollers in automotive systems to prevent malfunctions.
4. Power Management Systems: Safeguarding power supplies and sensitive components from voltage fluctuations.

Detailed and Complete Alternative Models

• MAX6388XS43D5-T: Same features as MAX6388XS43D4-T but with a different threshold voltage option (4.35V).
• MAX6388XS43D6-T: Same features as MAX6388XS43D4-T but with a different threshold voltage option (4.4V).
• MAX6388XS43D7-T: Same features as MAX6388XS43D4-T but with a different threshold voltage option (4.45V).

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

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