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MIC2920A-5.0WT
Product Overview
Category
The MIC2920A-5.0WT belongs to the category of voltage regulators.
Use
This product is commonly used to regulate voltage in electronic circuits.
Characteristics
- Input Voltage Range: 2.5V to 26V
- Output Voltage: 5.0V
- Maximum Output Current: 1A
- Low Dropout Voltage: 380mV at 1A
- Low Quiescent Current: 120µA
- Thermal Shutdown Protection
- Short Circuit Current Limiting
- Available in TO-220 and TO-263 Packages
Package
The MIC2920A-5.0WT is available in TO-220 and TO-263 packages.
Essence
The essence of the MIC2920A-5.0WT is its ability to provide a stable output voltage of 5.0V with low dropout voltage and quiescent current.
Packaging/Quantity
The MIC2920A-5.0WT is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.
Specifications
- Input Voltage Range: 2.5V to 26V
- Output Voltage: 5.0V
- Output Current: 1A (maximum)
- Dropout Voltage: 380mV at 1A
- Quiescent Current: 120µA
- Operating Temperature Range: -40°C to +125°C
- Thermal Resistance: 50°C/W (TO-220), 30°C/W (TO-263)
Detailed Pin Configuration
The MIC2920A-5.0WT has three pins:
- VIN (Pin 1): Input voltage pin.
- GND (Pin 2): Ground pin.
- VOUT (Pin 3): Output voltage pin.
Functional Features
- Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
- Low quiescent current minimizes power consumption in standby or idle modes.
- Thermal shutdown protection prevents the device from overheating.
- Short circuit current limiting protects the regulator and the load from excessive current.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications.
- Stable output voltage of 5.0V ensures reliable operation of connected devices.
- Low dropout voltage enables efficient power conversion.
- Thermal shutdown protection enhances safety and reliability.
- Short circuit current limiting protects the regulator and the load.
Disadvantages
- Maximum output current of 1A may limit its use in high-power applications.
- Limited package options may restrict compatibility with certain circuit designs.
Working Principles
The MIC2920A-5.0WT is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage of 5.0V.
Detailed Application Field Plans
The MIC2920A-5.0WT finds applications in various electronic systems, including but not limited to: - Power supplies for microcontrollers and other digital ICs. - Battery-powered devices requiring a stable 5.0V supply. - Automotive electronics. - Industrial control systems. - Consumer electronics.
Detailed and Complete Alternative Models
Some alternative models to the MIC2920A-5.0WT include: - LM2940-5.0: A similar 5.0V voltage regulator with a maximum output current of 1A. - LT1084CT-5.0: A 5.0V linear voltage regulator with a maximum output current of 5A. - LM317T: A versatile adjustable voltage regulator that can be configured for a 5.0V output.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MIC2920A-5.0WT v technických řešeních
Sure! Here are 10 common questions and answers related to the application of MIC2920A-5.0WT in technical solutions:
Q: What is the MIC2920A-5.0WT? A: The MIC2920A-5.0WT is a low-dropout voltage regulator (LDO) that provides a fixed output voltage of 5.0V.
Q: What is the input voltage range for the MIC2920A-5.0WT? A: The input voltage range for the MIC2920A-5.0WT is typically between 6.0V and 26.0V.
Q: What is the maximum output current of the MIC2920A-5.0WT? A: The maximum output current of the MIC2920A-5.0WT is 500mA.
Q: Can the MIC2920A-5.0WT be used in battery-powered applications? A: Yes, the MIC2920A-5.0WT can be used in battery-powered applications as it has a low dropout voltage and operates efficiently with low quiescent current.
Q: Is the MIC2920A-5.0WT suitable for automotive applications? A: Yes, the MIC2920A-5.0WT is suitable for automotive applications as it can withstand high temperatures and has built-in protection features like thermal shutdown and current limit.
Q: Can I use the MIC2920A-5.0WT to power microcontrollers or other digital ICs? A: Yes, the MIC2920A-5.0WT can be used to power microcontrollers, digital ICs, and other low-power devices that require a stable 5.0V supply.
Q: Does the MIC2920A-5.0WT require any external components for operation? A: Yes, the MIC2920A-5.0WT requires a minimum of two external capacitors (input and output) for stability and proper operation.
Q: What is the dropout voltage of the MIC2920A-5.0WT? A: The dropout voltage of the MIC2920A-5.0WT is typically 350mV at 500mA load current.
Q: Can I use the MIC2920A-5.0WT in parallel to increase the output current? A: No, the MIC2920A-5.0WT is not designed to be used in parallel. Using multiple regulators in parallel can cause stability issues and affect performance.
Q: Are there any recommended thermal considerations for the MIC2920A-5.0WT? A: Yes, it is recommended to use a heatsink or provide adequate airflow if the regulator is operating near its maximum power dissipation limit to prevent overheating.
Please note that these answers are general and may vary depending on specific application requirements. It's always best to refer to the datasheet and consult with the manufacturer for detailed information.