MAX706SCSA+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Monitors the voltage level of a power supply and provides a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 4.63V, 4.38V, 4.00V, 3.08V, 2.93V, 2.63V, 2.32V, 2.06V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Quiescent Current: 5µA (typical)

Pin Configuration

The MAX706SCSA+T has a total of 8 pins:

1. GND: Ground
2. RESET: Active-Low Reset Output
3. MR: Manual Reset Input
4. VCC: Positive Power Supply
5. TH: Threshold Voltage Selection Input
6. CT: Capacitor Connection for Reset Timeout
7. RESET: Active-Low Reset Output
8. VCC: Positive Power Supply

Functional Features

• Monitors the voltage level of the power supply.
• Provides a reset signal when the voltage falls below the selected threshold.
• Offers manual reset capability through the MR pin.
• Adjustable reset timeout period using an external capacitor.

Advantages and Disadvantages

Advantages: - Low power consumption. - Precision monitoring of voltage levels. - Wide range of reset threshold voltage options. - Adjustable reset timeout period.

Disadvantages: - Limited to a specific package type (SOIC). - Requires an external capacitor for reset timeout adjustment.

Working Principles

The MAX706SCSA+T operates by continuously monitoring the voltage level of the power supply. When the voltage falls below the selected threshold, the device generates an active-low reset signal. This signal can be used to reset microcontrollers, digital logic circuits, or other devices connected to the MAX706SCSA+T. The reset timeout period can be adjusted using an external capacitor connected to the CT pin.

Detailed Application Field Plans

The MAX706SCSA+T is commonly used in various applications where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontroller Systems: Ensures proper system initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Industrial Control Systems: Provides reliable reset signals to critical control circuits, ensuring safe operation and preventing damage due to power supply issues.
3. Automotive Electronics: Monitors battery voltage and triggers a reset when it drops below a certain level, protecting sensitive electronic components.
4. Power Management Systems: Enables efficient power management by monitoring supply voltages and initiating appropriate actions based on the detected conditions.

Detailed and Complete Alternative Models

1. MAX705CSA+: Similar to MAX706SCSA+T but with a fixed reset threshold voltage of 4.63V.
2. MAX707ESA+: Offers adjustable reset threshold voltage and reset timeout period options, suitable for more versatile applications.
3. MAX708SESA+: Provides a push-pull reset output instead of the open-drain output of MAX706SCSA+T, allowing direct drive of certain loads.

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