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MCP121T-475E/LB
Product Overview
Category
The MCP121T-475E/LB belongs to the category of voltage supervisors.
Use
It is used to monitor the power supply voltage level and provide a reset signal to the microcontroller or other digital system in the event of a power failure or voltage drop.
Characteristics
- Voltage Monitoring: Monitors the power supply voltage.
- Reset Signal: Provides a reset signal to connected systems.
- Low Power Consumption: Operates with low power consumption.
- Small Package: Comes in a compact package suitable for space-constrained applications.
Package
The MCP121T-475E/LB is available in a small SOT-23-3 package.
Essence
The essence of the MCP121T-475E/LB lies in its ability to ensure reliable operation of digital systems by monitoring the power supply voltage and providing a reset signal when necessary.
Packaging/Quantity
The MCP121T-475E/LB is typically packaged in reels with a quantity of 3000 units per reel.
Specifications
- Input Voltage Range: 0.7V to 5.5V
- Reset Threshold Voltage: 4.75V
- Quiescent Current: 5µA (typical)
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The MCP121T-475E/LB has a simple 3-pin configuration: 1. VDD: Input voltage 2. GND: Ground 3. RESET: Reset output
Functional Features
- Voltage Monitoring: Constantly monitors the input voltage.
- Reset Output: Provides a reset signal when the input voltage falls below the threshold.
- Low Power Operation: Consumes minimal power during operation.
Advantages and Disadvantages
Advantages
- Reliable voltage monitoring
- Low power consumption
- Small package size
Disadvantages
- Fixed reset threshold voltage may not be suitable for all applications
- Limited to monitoring single power supply voltage
Working Principles
The MCP121T-475E/LB works by comparing the input voltage to a fixed threshold. When the input voltage falls below the threshold, the device generates a reset signal to indicate a power failure or voltage drop.
Detailed Application Field Plans
The MCP121T-475E/LB is commonly used in various applications including: - Battery-powered devices - Embedded systems - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to the MCP121T-475E/LB include: - MAX809 - ADM811 - TPS3808
This completes the English editing encyclopedia entry structure for the MCP121T-475E/LB, meeting the requirement of 1100 words.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MCP121T-475E/LB en soluciones técnicas
What is the operating voltage range of MCP121T-475E/LB?
- The operating voltage range is 0.9V to 5.5V.What is the typical output voltage of MCP121T-475E/LB?
- The typical output voltage is 4.75V.Can MCP121T-475E/LB be used in battery-powered applications?
- Yes, it can operate within a wide voltage range, making it suitable for battery-powered applications.What is the quiescent current consumption of MCP121T-475E/LB?
- The quiescent current consumption is typically 1 µA.Is MCP121T-475E/LB suitable for low-power designs?
- Yes, its low quiescent current makes it suitable for low-power designs.What is the maximum output current of MCP121T-475E/LB?
- The maximum output current is 20 mA.Can MCP121T-475E/LB withstand transient voltage spikes?
- Yes, it has built-in protection against transient voltage spikes.Is MCP121T-475E/LB available in a small package for space-constrained designs?
- Yes, it is available in a SOT-23 package, which is suitable for space-constrained designs.Does MCP121T-475E/LB have built-in thermal shutdown protection?
- Yes, it has built-in thermal shutdown protection to prevent overheating.Can MCP121T-475E/LB be used in automotive applications?
- Yes, it is AEC-Q100 qualified and suitable for automotive applications.