MAX6388XS22D3-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: SOT23-3
• Essence: The MAX6388XS22D3-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 certain threshold.
• Packaging/Quantity: 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 increments
• Reset Timeout Period: Fixed at 140ms
• Quiescent Current: 3µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6388XS22D3-T features a compact SOT23-3 package with the following pin configuration:

____ VCC| |GND RST|____|

• VCC: Power supply input pin
• RST: Reset output pin
• GND: Ground reference pin

Functional Features

• Voltage Monitoring: Monitors the supply voltage continuously
• Reset Generation: Generates a reset signal when the voltage drops below the set threshold
• Adjustable Threshold: Allows the user to set the desired reset threshold voltage
• Fixed Timeout Period: Provides a fixed timeout period for the reset signal
• Low Quiescent Current: Consumes very low power during operation

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable operation - Adjustable reset threshold allows flexibility in different applications - Small package size saves board space - Low quiescent current minimizes power consumption

Disadvantages: - Fixed timeout period may not be suitable for all applications - Limited supply voltage range (1.6V to 5.5V)

Working Principles

The MAX6388XS22D3-T operates by continuously monitoring the supply voltage connected to the VCC pin. When the voltage falls below the set threshold, the circuit generates a reset signal on the RST pin. The reset signal remains active for a fixed timeout period of 140ms, ensuring proper system initialization.

Detailed Application Field Plans

The MAX6388XS22D3-T can be used in various electronic devices where voltage monitoring and reset functionality are required. Some potential application fields include:

1. Microcontrollers and Microprocessors: Ensuring proper system reset during power-up or voltage fluctuations.
2. Battery-Powered Devices: Monitoring battery voltage and initiating a reset when it drops below a certain level.
3. Industrial Control Systems: Providing reliable reset functionality for critical control systems.
4. Automotive Electronics: Ensuring proper operation of automotive modules by monitoring supply voltage.

Detailed and Complete Alternative Models

1. MAX6388XS22D3+: Similar to MAX6388XS22D3-T but with a different package (SOT23-5).
2. MAX6388XS22D3-G: Same features as MAX6388XS22D3-T but with a higher reset timeout period (200ms).
3. MAX6388XS22D3-F: Offers adjustable reset threshold options in 50mV increments instead of 100mV.

These alternative models provide similar functionality with slight variations in package type, reset timeout, and reset threshold options.

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