MAX706RCUA+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Voltage Supervisors
• Characteristics:
  • Monitors the power supply voltage to ensure it remains within specified limits
  • Provides a reset signal to the microcontroller or other digital system when the voltage drops below a certain threshold
  • Helps prevent data corruption and system malfunction during power fluctuations
• Package: UMAX-8
• Essence: Voltage supervisor IC
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Push-Pull
• Quiescent Current: 10µA (typical)

Pin Configuration

The MAX706RCUA+T has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output (Active-Low) --| MR |-- Pin 3: Manual Reset Input --| TH |-- Pin 4: Threshold Voltage Selection --| TRIP |-- Pin 5: Power-Fail Comparator Output --| GND |-- Pin 6: Ground (GND) --| RESET IN |-- Pin 7: Reset Input --| VCC |-- Pin 8: Supply Voltage (VCC) |___________| ```

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the threshold voltage.
• Provides a manual reset input for immediate system reset.
• Offers adjustable reset timeout period to accommodate different system requirements.
• Power-fail comparator output indicates when the supply voltage is below the threshold.
• Low quiescent current ensures minimal power consumption.

Advantages

• Reliable voltage monitoring and reset generation for microcontrollers and digital systems.
• Adjustable reset timeout period allows flexibility in system design.
• Low quiescent current minimizes power consumption.
• Compact UMAX-8 package saves board space.

Disadvantages

• Limited threshold voltage options may not suit all applications.
• Active-low reset output may require additional circuitry for compatibility with certain systems.

Working Principles

The MAX706RCUA+T operates by continuously monitoring the supply voltage using an internal voltage reference and comparator. When the voltage drops below the selected threshold, the reset output becomes active-low, signaling the need for a system reset. The reset timeout period can be adjusted to allow for various system startup times. Additionally, a manual reset input is provided for immediate system reset if required.

Application Field Plans

The MAX706RCUA+T is commonly used in various electronic systems where reliable voltage monitoring and reset functionality are crucial. Some application fields include:

1. Microcontroller-based systems
2. Industrial control systems
3. Automotive electronics
4. Medical devices
5. Consumer electronics

Alternative Models

1. MAX705RCUA+T
2. MAX707RCUA+T
3. MAX708RCUA+T
4. MAX809RCUA+T
5. MAX810RCUA+T

These alternative models offer similar voltage supervisory features and can be considered as substitutes for the MAX706RCUA+T in different applications.

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