MAX6861UK18+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Supervisor
- Characteristics: Low-power, high-accuracy voltage monitoring
- Package: SOT23-5
- Essence: Monitors the power supply voltage and provides a reset signal when the voltage falls below a specified threshold
- Packaging/Quantity: Tape and Reel, 3000 units per reel
Specifications
- Supply Voltage Range: 1.6V to 5.5V
- Reset Threshold Options: 1.8V, 2.5V, 3.0V, 3.3V, 5.0V
- Reset Timeout Period: 140ms, 280ms, 560ms, 1120ms
- Quiescent Current: 1.5µA (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MAX6861UK18+T has a total of 5 pins:
- GND: Ground connection
- RESET: Active-low reset output
- MR: Manual reset input
- VCC: Positive power supply
- TH: Threshold selection input
Functional Features
- Monitors the power 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: - High accuracy voltage monitoring - Low-power consumption - Small package size - Wide supply voltage range - Multiple reset threshold options
Disadvantages: - Limited reset timeout period options - No built-in hysteresis
Working Principles
The MAX6861UK18+T is designed to monitor the power supply voltage in various electronic systems. It compares the input voltage with the selected threshold voltage using an internal voltage reference. When the input voltage falls below the threshold, the reset output is activated, indicating a power failure or an out-of-range condition. The reset signal remains active until the input voltage rises above the threshold and the reset timeout period elapses.
Detailed Application Field Plans
The MAX6861UK18+T can be used in a wide range of applications, including but not limited to: - Battery-powered devices - Embedded systems - Industrial control systems - Consumer electronics - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the MAX6861UK18+T are: - MAX6862: Offers additional features such as adjustable reset thresholds and watchdog timer functionality. - MAX6863: Provides higher accuracy voltage monitoring and wider operating temperature range. - MAX6864: Includes built-in hysteresis for improved noise immunity.
Note: This is not an exhaustive list, and there may be other alternative models available from different manufacturers.
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技術ソリューションにおける MAX6861UK18+T の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of MAX6861UK18+T in technical solutions:
Q1: What is MAX6861UK18+T? A1: MAX6861UK18+T is a voltage reference IC that provides a stable and accurate voltage output.
Q2: What is the voltage range of MAX6861UK18+T? A2: The voltage range of MAX6861UK18+T is 1.8V to 5.5V.
Q3: How accurate is the voltage output of MAX6861UK18+T? A3: The voltage output of MAX6861UK18+T has an initial accuracy of ±0.5% and a temperature coefficient of ±50ppm/°C.
Q4: Can MAX6861UK18+T be used in battery-powered applications? A4: Yes, MAX6861UK18+T can be used in battery-powered applications as it operates within a wide voltage range and has low power consumption.
Q5: Does MAX6861UK18+T have any built-in protection features? A5: Yes, MAX6861UK18+T has built-in overvoltage and reverse-voltage protection to safeguard against potential damage.
Q6: Can MAX6861UK18+T be used in automotive applications? A6: Yes, MAX6861UK18+T is suitable for automotive applications as it meets the AEC-Q100 standard and has a wide operating temperature range.
Q7: What is the typical output current capability of MAX6861UK18+T? A7: The typical output current capability of MAX6861UK18+T is 20mA.
Q8: Is MAX6861UK18+T available in different package options? A8: Yes, MAX6861UK18+T is available in a SOT23-3 package.
Q9: Can MAX6861UK18+T be used as a voltage reference for analog-to-digital converters (ADCs)? A9: Yes, MAX6861UK18+T can be used as a stable voltage reference for ADCs to ensure accurate conversion.
Q10: Are there any application notes or reference designs available for MAX6861UK18+T? A10: Yes, Maxim Integrated provides application notes and reference designs that can help with the implementation of MAX6861UK18+T in various technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.