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MAX803LEXR-T

Name: MAX803LEXR-T
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL SC70-3

Производитель
Мфр. Часть #MAX803LEXR-T
Пакет SC-70-3
Лист данных
В наличии3307

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Simple Reset/Power-On Reset
NumberofVoltagesMonitored	1
Voltage-Threshold	4.63V
Output	Open Drain or Open Collector
Reset	Active Low
ResetTimeout	140ms Minimum
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	SC-70, SOT-323

Обзор

Description

The MAX803LEXR-T is a voltage supervisor IC designed to monitor power supply levels in various electronic applications. It features a precise voltage detection capability, typically used to ensure that microcontrollers and other digital devices operate within safe voltage limits. The device can reset the microcontroller when the supply voltage falls below a predetermined threshold, preventing erratic behavior.
Key features include a low supply current, fast response time, and a wide operating voltage range, making it suitable for battery-operated devices. The MAX803LEXR-T comes in a compact SOT23 package, enhancing its utility in space-constrained designs. It is characterized by its high reliability and is ideal for applications in consumer electronics, automotive systems, and industrial equipment where power management is critical.
Overall, the MAX803LEXR-T is essential for ensuring system stability and protecting against voltage fluctuations.

Features

The MAX803LEXR-T is a voltage supervisor and microprocessor reset IC designed for use in various electronic applications. Key features include:
1. Voltage Monitoring: It monitors supply voltages for accurate reset functionality.
2. Reset Timeout: Provides a delay time option after the power supply is restored, ensuring stable operation.
3. Low Supply Current: Operates with a low supply current of typically 1 µA, promoting energy efficiency.
4. Adjustable Reset Threshold: Features a fixed reset threshold, typically at 2.63V, suitable for various applications.
5. Temperature Range: Operates over a wide temperature range from -40°C to +125°C.
6. Active Low Output: Outputs a low signal when the monitored voltage is below the threshold.
7. Compact Package: Available in a small SOT23-5 package, ideal for space-constrained designs.
Overall, the MAX803LEXR-T is suitable for microcontroller applications, battery-operated devices, and other systems requiring reliable voltage monitoring and reset functions.

Package

The MAX803LEXR-T is packaged in a 5-pin SOT23 form factor. This compact surface-mount package is designed for space-saving applications in electronic circuits.

Pinout

The MAX803LEXR-T is a microprocessor supervisory circuit with a pin count of 8. Its primary functions include monitoring power supply levels and providing a reset signal during power-up, power-down, and brownout conditions.
The pin configuration is as follows:
1. Ground (GND)
2. Reset Output (RESET)
3. Reset Delay Capacitor (CD)
4. VCC Supply Voltage (VCC)
5. Adjustable Reset Threshold (VTH)
6. Reset Input (RESET IN)
7. Active Low Reset Output (RESETN)
8. N/C (Not Connected)
The device is designed to ensure that microprocessors operate reliably by generating a reset signal if the supply voltage falls below a specific threshold. This helps prevent erroneous operation during voltage fluctuations. The MAX803LEXR-T is commonly used in embedded systems and critical applications to enhance system stability.

Manufacturer

The MAX803LEXR-T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in designing and producing a wide range of analog and mixed-signal integrated circuits. The company focuses on providing innovative solutions for various applications, including automotive, industrial, communications, and consumer electronics. Their product line includes voltage regulators, amplifiers, sensors, and power management ICs, among others. The acquisition by Analog Devices in 2021 expanded their portfolio and enhanced their capabilities in the semiconductor market.

Application

The MAX803LEXR-T is a voltage supervisor primarily used in applications requiring power supply monitoring. Key areas include battery-operated devices, microprocessor reset systems, automotive electronics, and industrial automation. It ensures reliable operation by monitoring power levels, generating reset signals during voltage drops, and preventing system malfunctions. Its low power consumption makes it suitable for portable and low-energy devices.

Equivalent

The MAX803LEXR-T is a voltage supervisor. Equivalent products include the MCP100T-3002E/TO, TL7705, and LM393. Ensure to check specifications like voltage thresholds, reset timing, and packaging to confirm compatibility.

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