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MAX823YEXK+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Detector
- Characteristics: Low-power, precision voltage monitoring
- Package: SOT23-5
- Essence: Monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.0V to 5.5V
- Reset Threshold Voltage Options: 2.93V, 3.08V, 3.30V, 4.38V
- Quiescent Current: 1µA (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX823YEXK+T has a total of 5 pins:
- GND: Ground connection
- RESET: Active-low reset output
- VCC: Positive power supply input
- MR: Manual reset input
- TH: Threshold voltage selection pin
Functional Features
- Low-power consumption for energy-efficient applications
- Precision voltage monitoring ensures accurate detection of power supply variations
- Wide supply voltage range allows compatibility with various systems
- Manual reset input for user-controlled system reset
- Multiple threshold voltage options provide flexibility in voltage monitoring
Advantages
- Low quiescent current enables battery-powered applications
- Small package size (SOT23-5) saves board space
- Accurate voltage monitoring prevents system malfunctions
- Flexible threshold voltage options cater to different system requirements
Disadvantages
- Limited number of threshold voltage options available
- Lack of built-in hysteresis may lead to false triggering in noisy environments
Working Principles
The MAX823YEXK+T is designed to monitor the power supply voltage of a system. It compares the input voltage with a preset threshold voltage and generates a reset signal when the voltage falls below the threshold. The reset signal is active-low, meaning it goes low when triggered.
Detailed Application Field Plans
The MAX823YEXK+T is commonly used in various applications, including:
- Battery-powered devices: Ensures proper functioning by monitoring battery voltage and initiating a reset if necessary.
- Microcontroller systems: Protects against voltage drops that can cause data corruption or system instability.
- Industrial equipment: Monitors power supply integrity to prevent damage or malfunctioning of critical components.
- Automotive electronics: Detects voltage fluctuations to ensure reliable operation of vehicle systems.
Detailed and Complete Alternative Models
- MAX809: Similar voltage detector IC with different package options (SOT23-3, SOT23-5)
- MAX811: Voltage monitor with manual reset and adjustable threshold voltage
- MAX638: Precision voltage detector with integrated watchdog timer
Note: This is not an exhaustive list, and there are other alternative models available in the market.
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Énumérez 10 questions et réponses courantes liées à l'application de MAX823YEXK+T dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of MAX823YEXK+T in technical solutions:
1. What is the MAX823YEXK+T? The MAX823YEXK+T is a microprocessor supervisory circuit that monitors the power supply voltage of a microcontroller or other digital systems.
2. What is the purpose of the MAX823YEXK+T? The MAX823YEXK+T ensures that the microcontroller or digital system operates within specified voltage limits, preventing it from malfunctioning or entering an undefined state.
3. What is the operating voltage range of the MAX823YEXK+T? The MAX823YEXK+T operates within a voltage range of 1.8V to 5.5V.
4. How does the MAX823YEXK+T monitor the power supply voltage? The MAX823YEXK+T compares the power supply voltage with a preset threshold voltage. If the voltage drops below the threshold, it generates a reset signal to the microcontroller.
5. Can I adjust the threshold voltage of the MAX823YEXK+T? No, the threshold voltage of the MAX823YEXK+T is fixed at a specific value.
6. Does the MAX823YEXK+T have any additional features? Yes, the MAX823YEXK+T includes a manual reset input and a watchdog timer for added functionality.
7. What is the purpose of the manual reset input? The manual reset input allows an external signal to force a reset of the microcontroller, overriding the voltage monitoring function.
8. How does the watchdog timer work in the MAX823YEXK+T? The watchdog timer requires the microcontroller to periodically toggle a specific pin. If the microcontroller fails to do so within a specified time, the MAX823YEXK+T generates a reset signal.
9. Can I use the MAX823YEXK+T in battery-powered applications? Yes, the low operating voltage range and low quiescent current make the MAX823YEXK+T suitable for battery-powered applications.
10. Is the MAX823YEXK+T available in different package options? Yes, the MAX823YEXK+T is available in a SOT23-5 package, which is small and suitable for space-constrained designs.
Please note that these answers are general and may vary depending on the specific requirements and datasheet of the MAX823YEXK+T.