MAX824LEXK+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Detector
- Characteristics: Low-power, precision voltage monitoring
- Package: SOT23-5
- Essence: Monitors supply voltage and provides a reset signal when voltage drops below a specified threshold
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.6V to 6.0V
- Threshold Voltage Options: 2.5V, 3.0V, 3.3V, 4.38V, 4.63V
- Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
- Quiescent Current: 7µA (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX824LEXK+T is a 5-pin device with the following pin configuration:
- GND: Ground connection
- RESET: Active-low reset output
- VCC: Positive supply voltage input
- MR: Manual reset input
- TH: Threshold voltage selection input
Functional Features
- Monitors the supply voltage continuously
- Generates a reset signal when the voltage drops below the selected threshold
- Provides manual reset capability through the MR pin
- Low quiescent current for power-sensitive applications
- Wide operating temperature range for versatile usage
Advantages and Disadvantages
Advantages
- Precise voltage monitoring ensures reliable system operation
- Low-power consumption extends battery life in portable devices
- Small package size allows for space-constrained designs
- Manual reset option adds flexibility in system control
Disadvantages
- Limited threshold voltage options may not suit all applications
- Lack of adjustable reset timeout period may restrict customization
Working Principles
The MAX824LEXK+T is designed to monitor the supply voltage of a system. It compares the input voltage with the selected threshold voltage and generates a reset signal when the voltage drops below this threshold. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.
The device operates with low quiescent current, minimizing power consumption. It is suitable for various battery-powered applications where efficient power management is crucial.
Detailed Application Field Plans
The MAX824LEXK+T finds application in a wide range of electronic systems that require reliable voltage monitoring and reset functionality. Some potential application fields include:
- Microcontrollers and microprocessors
- Embedded systems
- Industrial automation equipment
- Medical devices
- Portable consumer electronics
- Automotive electronics
- Power management systems
Detailed and Complete Alternative Models
- MAX823LEXK+T: Similar voltage detector IC with different threshold voltage options
- MAX825LEXK+T: Voltage detector IC with adjustable reset timeout period
- MAX826LEXK+T: Voltage detector IC with additional features like watchdog timer
These alternative models offer similar functionality but may have specific differences in terms of threshold voltage options, reset timeout periods, or additional features.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av MAX824LEXK+T i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of MAX824LEXK+T in technical solutions:
Q: What is the MAX824LEXK+T? A: The MAX824LEXK+T is a voltage monitor and reset circuit that provides power supply monitoring and reset generation for microcontrollers, microprocessors, and other digital systems.
Q: How does the MAX824LEXK+T work? A: The MAX824LEXK+T monitors the voltage level of the power supply and generates a reset signal when the voltage falls below a specified threshold. It helps ensure proper system operation during power-up, power-down, and brownout conditions.
Q: What is the operating voltage range of the MAX824LEXK+T? A: The MAX824LEXK+T operates within a voltage range of 1.6V to 5.5V.
Q: Can the MAX824LEXK+T be used with different microcontrollers or processors? A: Yes, the MAX824LEXK+T can be used with a wide range of microcontrollers, microprocessors, and other digital systems as long as the operating voltage requirements are met.
Q: Does the MAX824LEXK+T have adjustable reset thresholds? A: No, the MAX824LEXK+T has fixed reset thresholds. However, it offers different versions with different reset threshold voltages to suit various applications.
Q: Can the MAX824LEXK+T generate both active-high and active-low reset signals? A: Yes, the MAX824LEXK+T is available in both active-high and active-low reset output options, allowing flexibility in system design.
Q: Is the MAX824LEXK+T suitable for battery-powered applications? A: Yes, the MAX824LEXK+T is designed to operate in low-power applications and can be used in battery-powered systems.
Q: Does the MAX824LEXK+T have any built-in delay for the reset signal? A: Yes, the MAX824LEXK+T has a fixed delay of approximately 140ms to ensure stable power supply before releasing the reset signal.
Q: Can the MAX824LEXK+T be used in automotive applications? A: Yes, the MAX824LEXK+T is suitable for automotive applications as it meets the necessary requirements for automotive-grade components.
Q: Are there any specific application notes or reference designs available for the MAX824LEXK+T? A: Yes, Maxim Integrated provides application notes and reference designs on their website that can help with the implementation of the MAX824LEXK+T in various technical solutions.
Please note that the answers provided here are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.