MAX6388XS38D4-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitor and Reset Circuit
• Characteristics: Low-power, precision voltage monitoring, adjustable reset threshold, small package size
• Package: SOT23-4
• Essence: The MAX6388XS38D4-T is a voltage monitor and reset circuit designed for use in various electronic devices. It ensures proper operation by monitoring the supply voltage and generating a reset signal when the voltage falls below a specified threshold.
• Packaging/Quantity: The MAX6388XS38D4-T is available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Options: Adjustable from 1.2V to 4.63V in 100mV steps
• Reset Timeout Period: Fixed 140ms
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6388XS38D4-T has a SOT23-4 package with the following pin configuration:

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

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

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the set threshold.
• Adjustable reset threshold allows customization for different applications.
• Provides a manual reset input for immediate system reset.
• Low quiescent current ensures minimal power consumption.
• Fixed reset timeout period prevents false resets due to temporary voltage fluctuations.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Adjustable reset threshold accommodates various voltage requirements. - Small package size allows for space-saving integration into compact designs. - Low power consumption extends battery life in portable devices.

Disadvantages: - Fixed reset timeout period may not be suitable for all applications requiring longer or shorter timeouts. - Limited number of available alternative models with similar features.

Working Principles

The MAX6388XS38D4-T operates by continuously monitoring the supply voltage. When the voltage falls below the set threshold, the reset output is activated, signaling a system reset. The reset threshold can be adjusted using external resistors to meet specific voltage requirements. Additionally, a manual reset input allows for immediate system reset when triggered.

Detailed Application Field Plans

The MAX6388XS38D4-T finds application in various electronic devices that require voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers and microprocessors
2. Embedded systems
3. Power management circuits
4. Battery-powered devices
5. Industrial control systems
6. Automotive electronics

Detailed and Complete Alternative Models

While the MAX6388XS38D4-T offers a range of features and specifications, there are alternative models available from different manufacturers that provide similar functionality. Some notable alternatives include:

1. Texas Instruments TPS3808G01 - Voltage Supervisor with Programmable Reset Delay
2. Analog Devices ADM803 - Precision Voltage Monitor and Reset Circuit
3. ON Semiconductor NCP302 - Voltage Detector with Adjustable Reset Threshold

These alternative models offer comparable voltage monitoring and reset capabilities, allowing designers to choose the most suitable option for their specific application requirements.

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