MAX809MEUR+TG077

Product Overview

Category: Integrated Circuits
Use: Voltage Supervisors
Characteristics: Low-power, microprocessor reset circuit
Package: SOT-23-3
Essence: Monitors the power supply voltage of a microprocessor and asserts a reset signal if the voltage drops below a preset threshold
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Supply Voltage Range: 1.0V to 5.5V
Reset Threshold Options: 2.93V, 3.08V, 3.15V, 3.30V, 4.38V
Reset Timeout Period: 140ms (min)
Quiescent Current: 1µA (typ)
Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX809MEUR+TG077 is a three-pin device with the following pin configuration:

GND: Ground connection
RESET: Active-low reset output
VCC: Power supply input

Functional Features

Precision monitoring of power supply voltage
Asserts reset signal when voltage drops below threshold
Manual reset input for system testing
Low quiescent current for power efficiency
Wide supply voltage range for versatility

Advantages

Small package size allows for space-saving designs
Wide supply voltage range accommodates various applications
Low quiescent current minimizes power consumption
Manual reset input facilitates system testing

Disadvantages

Limited reset threshold options may not suit all applications
Single-channel design may not be suitable for multi-voltage systems

Working Principles

The MAX809MEUR+TG077 operates by continuously monitoring the power supply voltage connected to the VCC pin. It compares the voltage against a preset threshold and asserts the RESET pin low if the voltage drops below this threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset input is triggered.

Detailed Application Field Plans

The MAX809MEUR+TG077 is commonly used in microprocessor-based systems where reliable power supply monitoring is crucial. Some specific application fields include:

Embedded Systems: Ensuring proper system initialization and preventing erratic behavior during power-up.
Industrial Control Systems: Providing stable operation by resetting the microprocessor in case of power supply fluctuations.
Automotive Electronics: Safeguarding critical components from voltage dips and ensuring uninterrupted operation.

Detailed and Complete Alternative Models

MAX809SEUR+TG077
MAX809TEUR+TG077
MAX809VEUR+TG077
MAX809XEUR+TG077

These alternative models offer similar functionality but may have different specifications, package options, or reset threshold values. It is recommended to review their datasheets for detailed information.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX809MEUR+TG077 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX809MEUR+TG077 in technical solutions:

Q: What is MAX809MEUR+TG077? A: MAX809MEUR+TG077 is a specific model of voltage detector IC manufactured by Maxim Integrated. It provides reset output when the monitored voltage drops below a preset threshold.
Q: What are the typical applications of MAX809MEUR+TG077? A: MAX809MEUR+TG077 is commonly used in microcontroller-based systems, embedded systems, power management circuits, and other applications where reliable voltage monitoring and reset functionality are required.
Q: How does MAX809MEUR+TG077 work? A: MAX809MEUR+TG077 continuously monitors the supply voltage and generates a reset signal when the voltage falls below a specified threshold. This helps ensure proper system operation during power-up, power-down, or voltage fluctuations.
Q: What is the operating voltage range of MAX809MEUR+TG077? A: The operating voltage range of MAX809MEUR+TG077 is typically between 1.0V and 5.5V.
Q: Can MAX809MEUR+TG077 be used with different microcontrollers? A: Yes, MAX809MEUR+TG077 can be used with various microcontrollers as long as the supply voltage requirements are within its operating range.
Q: Does MAX809MEUR+TG077 have any adjustable parameters? A: No, MAX809MEUR+TG077 does not have adjustable parameters. The threshold voltage is fixed at a specific value.
Q: What is the typical reset timeout period of MAX809MEUR+TG077? A: The reset timeout period of MAX809MEUR+TG077 is typically 140ms.
Q: Can MAX809MEUR+TG077 be used in battery-powered applications? A: Yes, MAX809MEUR+TG077 can be used in battery-powered applications as long as the supply voltage remains within its operating range.
Q: Are there any additional features or protections provided by MAX809MEUR+TG077? A: Yes, MAX809MEUR+TG077 includes a built-in power-on reset delay and a low-power consumption mode to optimize battery life.
Q: Where can I find more information about MAX809MEUR+TG077? A: You can refer to the datasheet and application notes provided by Maxim Integrated for detailed information on MAX809MEUR+TG077, including its electrical characteristics, recommended usage guidelines, and example circuit designs.

Please note that the specific details mentioned above are based on general knowledge and may vary depending on the manufacturer's specifications and revisions of the product.