MAX6728KASDD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Monitoring and Resetting
• Characteristics: Low-power, Precision, Programmable, Supervisor Circuit
• Package: SOT23-5
• Essence: Monitors voltage levels and provides reset signals to microprocessors and other digital systems.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V, 4.63V
• Reset Timeout Period Options: 140ms, 560ms, 1120ms, 2240ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1µA (typical)

Detailed Pin Configuration

The MAX6728KASDD3+T IC has a SOT23-5 package with the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. MR (Manual Reset Input)
4. VCC (Supply Voltage)
5. TH (Threshold Voltage Selection)

Functional Features

• Monitors supply voltage and asserts reset signal when voltage falls below the programmed threshold.
• Provides manual reset capability through the MR pin.
• Programmable threshold voltage and reset timeout period options for flexibility.
• Low quiescent current consumption for power efficiency.
• Wide operating temperature range for various environments.

Advantages

• Precise voltage monitoring ensures reliable system operation.
• Programmable options allow customization for different applications.
• Low-power design minimizes energy consumption.
• Small form factor package enables space-saving integration.
• Wide operating temperature range ensures functionality in extreme conditions.

Disadvantages

• Limited number of threshold voltage and reset timeout period options.
• SOT23-5 package may require additional handling precautions during assembly.

Working Principles

The MAX6728KASDD3+T operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the IC asserts a reset signal to the microprocessor or digital system, indicating a power failure or unstable voltage condition. The manual reset input (MR) allows for an external reset signal to override the internal monitoring. The programmable options for threshold voltage and reset timeout period provide flexibility to adapt to different system requirements.

Detailed Application Field Plans

The MAX6728KASDD3+T is commonly used in various applications, including:

1. Battery-Powered Devices: Ensures proper shutdown and restart sequences to prevent data loss in portable electronics.
2. Industrial Control Systems: Monitors power supply integrity and initiates system resets in case of voltage fluctuations or failures.
3. Automotive Electronics: Provides reliable voltage monitoring and reset functionality for automotive control units, ensuring safe operation.
4. Medical Equipment: Ensures continuous monitoring of power supply voltages in critical medical devices, triggering appropriate actions in case of voltage deviations.
5. Home Automation: Enables reliable operation and protection of smart home systems by monitoring power supply stability.

Detailed and Complete Alternative Models

1. MAX6716UTZWD3+T
2. MAX6730AUTLTD3+T
3. MAX6741XKZWD3+T
4. MAX6759UTRD3+T
5. MAX6760TAWED3+T

These alternative models offer similar voltage monitoring and resetting capabilities with varying specifications and package options.

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