MAX823REUK

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MAX823REUK

IC SUPERVISOR MPU

100% gốc & amp; Mới

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Bảo hành 365 ngày

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Thông số kỹ thuật

Part Status Active
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 2.63V
Output Push-Pull, Totem Pole
Reset Active Low
Reset Timeout 140ms Minimum
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Base Product Number MAX823

Tổng quan

Description

The MAX823REUK is a highly integrated voltage supervisor designed to monitor power supply levels in digital systems. It features a precise voltage detection threshold, making it ideal for ensuring the proper operation of microcontrollers and other critical components. The device provides a reset output that activates when the supply voltage falls below a specified level, helping to prevent system malfunctions due to power interruptions or fluctuations.
Key features include a low supply current, fast response time, and the ability to operate over a wide temperature range. The MAX823REUK is available in various package options, facilitating easy integration into different circuit designs. Its high reliability and performance make it suitable for automotive, industrial, and consumer electronics applications where maintaining stable operation is crucial. Overall, the MAX823REUK is an essential component for enhancing system reliability and protecting sensitive electronic devices from power-related issues.

Features

The MAX823REUK is a microprocessor supervisory circuit designed to monitor power supply levels and ensure reliable operation of microcontrollers and digital systems. Key features include:
1. Reset Functionality: Provides a reset pulse for microcontrollers during power-up and brown-out conditions.
2. Voltage Monitoring: Operates with a threshold voltage of 4.63V (adjustable/reset thresholds available).
3. Active Low Output: The reset output is active low, ensuring proper initialization of digital systems.
4. Short Reset Pulse: Generates a short reset pulse of approximately 200ms after power-up.
5. Temperature Range: Operates across a temperature range of -40°C to +85°C.
6. Low Power Consumption: Consumes only 5 µA (typical) in operation, enhancing battery life in portable applications.
7. Compact Package: Available in a space-saving 8-pin µMAX package, suitable for tight layouts.
These features make the MAX823REUK ideal for enhancing the reliability and stability of electronic systems, particularly in embedded applications.

Package

The MAX823REUK is offered in a 5-pin SOT23 package.

Pinout

The MAX823REUK is a voltage supervisor with a total of 8 pins. Its primary function is to monitor power supply voltages and provide a reset signal when the voltage drops below a specified threshold.
Pin Count and Functions:
1. Pin 1 (VCC) - Supply voltage.
2. Pin 2 (GND) - Ground reference.
3. Pin 3 (RESET) - Active-low reset output.
4. Pin 4 (RESETIN) - Reset input (can be used to trigger a reset externally).
5. Pin 5 (SENSE) - Voltage sense input for monitoring supply voltage.
6. Pin 6 (VOUT) - Output voltage for other circuit functions.
7. Pin 7 (NC) - No connection (not used).
8. Pin 8 (NC) - No connection (not used).
The MAX823REUK operates with a supply voltage range of 2.63V to 5.5V and provides a reset signal to microcontrollers and other digital devices to prevent erroneous operation during power fluctuations.

Manufacturer

The MAX823REUK is manufactured by Maxim Integrated, a company that specializes in the design and production of high-performance analog and mixed-signal semiconductors. Founded in 1983, Maxim Integrated focuses on innovative solutions for a variety of applications, including automotive, industrial, communications, and consumer electronics. The company is well-known for its expertise in power management, signal processing, and interface products. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further strengthening its position in the semiconductor industry.

Application

The MAX823REUK is a voltage supervisor used primarily in microcontroller and processor applications. Its key areas include power supply monitoring, system reset management, and brown-out detection. This device ensures that systems operate reliably by generating a reset signal during power fluctuations or supply voltage drops, making it suitable for consumer electronics, automotive systems, industrial controls, and portable devices.

Equivalent

The MAX823REUK is a voltage supervisor with a reset output. Equivalent products include the MAX821, MAX822, and MAX809 series, as they offer similar voltage monitoring and reset functionality. Other alternatives can include the TPS3820 series from Texas Instruments or the ADM803 series from Analog Devices, which also provide voltage supervision features. Always check specific voltage thresholds and reset delay times for compatibility.

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