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MIC2937A-12WT
Product Overview
Category
The MIC2937A-12WT belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- High accuracy
- Low dropout voltage
- Current limiting
- Thermal shutdown protection
Package
The MIC2937A-12WT comes in a TO-220 package.
Essence
This voltage regulator ensures stable and reliable power supply by maintaining a constant output voltage.
Packaging/Quantity
The MIC2937A-12WT is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Input Voltage Range: 4.5V to 26V
- Output Voltage: 12V
- Dropout Voltage: 1.2V (maximum)
- Output Current: Up to 1A
- Line Regulation: 0.01%/V (typical)
- Load Regulation: 0.04% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The MIC2937A-12WT has three pins:
- Vin (Pin 1): Input voltage pin
- Vout (Pin 2): Output voltage pin
- GND (Pin 3): Ground pin
Functional Features
- High Accuracy: The MIC2937A-12WT provides precise voltage regulation, ensuring stable performance of connected devices.
- Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
- Current Limiting: It incorporates current limiting functionality to protect both the regulator and the load from excessive current.
- Thermal Shutdown Protection: The device includes thermal shutdown protection, which prevents damage due to excessive heat.
Advantages and Disadvantages
Advantages
- High accuracy ensures reliable voltage regulation.
- Low dropout voltage allows for efficient power conversion.
- Current limiting protects the regulator and load from damage.
- Thermal shutdown protection prevents overheating.
Disadvantages
- Limited output current capacity (up to 1A).
- Requires external components for proper operation.
Working Principles
The MIC2937A-12WT operates by comparing the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for any changes in the input voltage or load conditions. The device continuously monitors the output voltage and adjusts its internal circuitry accordingly.
Detailed Application Field Plans
The MIC2937A-12WT is commonly used in various applications, including: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Communication equipment
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the MIC2937A-12WT are: - LM317T - LT1085CT - LM1117-12
These models offer similar functionality and characteristics, providing options for different design requirements.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MIC2937A-12WT in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of MIC2937A-12WT in technical solutions:
Q: What is the MIC2937A-12WT? A: The MIC2937A-12WT is a fixed output voltage regulator that provides a regulated 12V output.
Q: What is the input voltage range for the MIC2937A-12WT? A: The input voltage range for the MIC2937A-12WT is typically between 16V and 60V.
Q: What is the maximum output current of the MIC2937A-12WT? A: The maximum output current of the MIC2937A-12WT is 750mA.
Q: Can the MIC2937A-12WT handle high temperatures? A: Yes, the MIC2937A-12WT is designed to operate at high temperatures, with a maximum junction temperature of 125°C.
Q: Is the MIC2937A-12WT short-circuit protected? A: Yes, the MIC2937A-12WT has built-in short-circuit protection to prevent damage in case of a short circuit.
Q: Can I use the MIC2937A-12WT in automotive applications? A: Yes, the MIC2937A-12WT is suitable for automotive applications as it meets the AEC-Q100 standard.
Q: Does the MIC2937A-12WT require any external components for operation? A: Yes, the MIC2937A-12WT requires an input capacitor and an output capacitor for stable operation.
Q: Can I use the MIC2937A-12WT in battery-powered applications? A: Yes, the MIC2937A-12WT can be used in battery-powered applications as it has a low quiescent current of typically 5mA.
Q: Is the MIC2937A-12WT available in different package options? A: Yes, the MIC2937A-12WT is available in a TO-220 package and a TO-263 package.
Q: Can I use the MIC2937A-12WT in both step-up and step-down voltage applications? A: No, the MIC2937A-12WT is a fixed output voltage regulator and can only be used for step-down voltage applications.
Please note that these answers are general and may vary depending on specific application requirements.