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MAX809MEUR+T

Name: MAX809MEUR+T
Rating: 4.7 (12 reviews)

IC SUPERVISOR 1 CHANNEL SOT23-3

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包 SOT23-3
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Simple Reset/Power-On Reset
NumberofVoltagesMonitored	1
Voltage-Threshold	4.38V
Output	Push-Pull, Totem Pole
Reset	Active Low
ResetTimeout	140ms Minimum
OperatingTemperature	-40°C ~ 105°C (TA)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

The MAX809MEUR+T is a voltage supervisor or reset IC designed to monitor power supply levels in electronic circuits. It ensures that microcontrollers and other critical components are reset when the supply voltage drops below a specified threshold. The device operates with a low supply current, making it suitable for battery-powered applications.
Key features include a fixed reset threshold, typically around 2.63V, and a fast reset response time. The MAX809MEUR+T is available in a small SOT23 package, allowing for space-efficient designs. It has a specified operating temperature range of -40°C to +125°C, making it reliable for various environmental conditions.
This component is widely used in embedded systems, automotive applications, and consumer electronics to enhance system reliability by preventing erroneous operation during power fluctuations.

Features

The MAX809MEUR+T is a voltage supervisor and reset IC designed for microprocessor applications. Key features include:
1. Reset Function: It provides a reset output when the supply voltage drops below a specified threshold, ensuring system stability.
2. Voltage Thresholds: Offers various pre-set voltage thresholds (options between 1.58V to 5.0V) for different applications.
3. Active-Low Output: The reset output is active low, which means it is pulled low during a reset condition.
4. Low Power Consumption: It operates with low supply current, enhancing battery life in portable devices.
5. Fast Reset Release: The device ensures a quick reset release when the supply voltage returns to normal.
6. Temperature Range: Designed for operation over a wide temperature range (-40°C to +125°C).
7. Small Package: Available in a compact SOT23 package, suitable for space-constrained designs.
These features make the MAX809MEUR+T ideal for ensuring reliable performance in various electronic systems.

Package

The MAX809MEUR+T is packaged in an 8-pin μMAX (microMAX) package, which is a compact, surface-mount type designed for space-constrained applications.

Pinout

The MAX809MEUR+T is a voltage supervisor with an 8-pin microMAX package. The pin count is 8, and its primary function is to monitor power supply voltages and provide a reset signal when the voltage drops below a predetermined threshold.
The key pins and their functions are:
1. VDD: Power supply input.
2. GND: Ground.
3. RESET: Active-low reset output.
4. RESETIN: Reset input (optional external reset).
5. SENSE: Voltage sense input.
6. RSET: Connects to an external resistor for adjusting reset timing (if applicable).
7. N/C: No connection (not internally connected).
8. VREF: Voltage reference output (if applicable).
The device is designed for low power consumption and is commonly used in microcontroller applications for ensuring proper startup and operation.

Manufacturer

The MAX809MEUR+T is manufactured by Maxim Integrated, which is a company known for designing and manufacturing analog and mixed-signal integrated circuits (ICs). Founded in 1983, Maxim specializes in providing innovative solutions for a variety of applications, including communications, automotive, medical, and consumer electronics. The MAX809 series includes voltage supervisors and reset controllers, which are widely used to ensure reliable operation in electronic systems by monitoring supply voltage levels and generating reset signals. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., further expanding its portfolio and capabilities in the semiconductor industry.

Application

The MAX809MEUR+T is a voltage supervisor used in various applications for monitoring power supply levels. Its primary areas include microcontroller and microprocessor systems, battery-operated devices, automotive electronics, and portable consumer electronics. It ensures system reliability by providing reset functions during power-up or brownout conditions, protecting against incorrect operation due to voltage fluctuations.

Equivalent

The MAX809MEUR+T is a voltage supervisor chip. Equivalent products include the MCP100, LM4041, TL7705, and MAX810. Ensure to check specifications like voltage thresholds and package types to confirm compatibility for your specific application.