MCP121T-270E/LB
Product Overview
Category
The MCP121T-270E/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 in case of an under-voltage condition.
Characteristics
- Voltage Monitoring: Monitors the power supply voltage.
- Reset Signal: Provides a reset signal to the microcontroller.
- Low Power Consumption: Operates with low power consumption.
- Small Package: Comes in a small package for space-constrained applications.
Package
The MCP121T-270E/LB is available in a small SOT-23-3 package.
Essence
The essence of the MCP121T-270E/LB lies in its ability to ensure reliable operation of microcontrollers by monitoring the power supply voltage.
Packaging/Quantity
It is typically available in reels with a quantity specified by the manufacturer.
Specifications
- Voltage Threshold: 2.70V
- Accuracy: ±50mV
- Operating Temperature Range: -40°C to +125°C
- Supply Current: 5µA (typical)
- Output Type: Active Low
Detailed Pin Configuration
The MCP121T-270E/LB has a standard SOT-23-3 pin configuration: 1. VDD (Input Voltage) 2. GND (Ground) 3. RESET (Output)
Functional Features
- Under-Voltage Monitoring: Monitors the input voltage and provides a reset signal when it falls below the threshold.
- Manual Reset Input: Allows for manual reset capability.
- Low Power Operation: Consumes minimal power during operation.
Advantages and Disadvantages
Advantages
- Reliable voltage monitoring for microcontrollers.
- Low power consumption.
- Small form factor.
Disadvantages
- Limited to monitoring single power supply voltage.
Working Principles
The MCP121T-270E/LB works by comparing the input voltage with the preset threshold. When the input voltage falls below the threshold, the reset output is activated, ensuring the microcontroller is properly reset to prevent erratic behavior due to low voltage conditions.
Detailed Application Field Plans
The MCP121T-270E/LB is commonly used in various embedded systems, IoT devices, and battery-powered applications where reliable voltage monitoring is essential for proper system operation.
Detailed and Complete Alternative Models
Some alternative models to the MCP121T-270E/LB include the MAX809, ADM811, and TPS3808, which offer similar voltage monitoring and reset functionalities.
In conclusion, the MCP121T-270E/LB is a crucial component in ensuring the stable and reliable operation of microcontroller-based systems by providing accurate voltage monitoring and reset capabilities.
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What is the operating voltage range of MCP121T-270E/LB?
- The operating voltage range of MCP121T-270E/LB is 0.9V to 5.5V.What is the typical output voltage of MCP121T-270E/LB?
- The typical output voltage of MCP121T-270E/LB is 2.7V.Can MCP121T-270E/LB be used in battery-powered applications?
- Yes, MCP121T-270E/LB can be used in battery-powered applications due to its low operating voltage.What is the quiescent current of MCP121T-270E/LB?
- The quiescent current of MCP121T-270E/LB is typically 1 µA.Is MCP121T-270E/LB suitable for low-power designs?
- Yes, MCP121T-270E/LB is suitable for low-power designs due to its low quiescent current and wide operating voltage range.Can MCP121T-270E/LB be used as a voltage reference?
- No, MCP121T-270E/LB is not designed to be used as a voltage reference.What is the temperature range for MCP121T-270E/LB?
- The temperature range for MCP121T-270E/LB is -40°C to 125°C.Does MCP121T-270E/LB have built-in overcurrent protection?
- No, MCP121T-270E/LB does not have built-in overcurrent protection.Can MCP121T-270E/LB be used in automotive applications?
- Yes, MCP121T-270E/LB is suitable for automotive applications within its specified temperature range.What is the package type of MCP121T-270E/LB?
- MCP121T-270E/LB is available in a SOT-23 package.