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MIC2937A-12WU
Product Overview
The MIC2937A-12WU belongs to the category of voltage regulators and is commonly used to provide a stable 12V output voltage from a higher input voltage. This device is characterized by its high accuracy, low dropout voltage, and low quiescent current. The package type for the MIC2937A-12WU is TO-263, and it is available in various packaging quantities.
Specifications
- Input Voltage Range: 2.5V to 26V
- Output Voltage: 12V
- Dropout Voltage: 450mV at 1A
- Quiescent Current: 120µA
- Package Type: TO-263
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The MIC2937A-12WU has three pins: 1. Vin (Input) 2. Vout (Output) 3. GND (Ground)
Functional Features
- High Accuracy
- Low Dropout Voltage
- Low Quiescent Current
- Thermal Shutdown Protection
Advantages and Disadvantages
Advantages
- Stable and accurate output voltage
- Wide input voltage range
- Low dropout voltage
- Low quiescent current
Disadvantages
- Higher cost compared to traditional linear regulators
- Limited maximum output current
Working Principles
The MIC2937A-12WU utilizes a feedback control mechanism to maintain a constant output voltage despite variations in the input voltage and load conditions. It employs a series pass PNP transistor to regulate the output voltage and includes thermal shutdown protection to prevent damage due to excessive temperature.
Detailed Application Field Plans
The MIC2937A-12WU is commonly used in applications requiring a stable 12V power supply, such as: - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunications equipment
Detailed and Complete Alternative Models
Some alternative models to the MIC2937A-12WU include: - LM2940 - LT1086 - ADP3338
In conclusion, the MIC2937A-12WU is a reliable voltage regulator with high accuracy and low dropout voltage, making it suitable for various electronic applications requiring a stable 12V power supply.
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What is the MIC2937A-12WU?
- The MIC2937A-12WU is a high-current, low-dropout voltage regulator designed for use in applications requiring a regulated output from an unregulated input supply.
What is the maximum input voltage for the MIC2937A-12WU?
- The maximum input voltage for the MIC2937A-12WU is 26 volts.
What is the typical dropout voltage of the MIC2937A-12WU?
- The typical dropout voltage of the MIC2937A-12WU is 0.6 volts at 1A load current.
What is the maximum output current of the MIC2937A-12WU?
- The maximum output current of the MIC2937A-12WU is 3A.
What are the typical applications for the MIC2937A-12WU?
- Typical applications for the MIC2937A-12WU include post regulators for switching supplies, battery chargers, and other applications requiring a regulated output voltage.
What is the operating temperature range of the MIC2937A-12WU?
- The operating temperature range of the MIC2937A-12WU is -40°C to 125°C.
Does the MIC2937A-12WU require an external heat sink?
- The MIC2937A-12WU does not require an external heat sink for most applications.
Is the MIC2937A-12WU available in different package types?
- Yes, the MIC2937A-12WU is available in TO-220 and TO-263 package types.
What are the key features of the MIC2937A-12WU?
- Key features of the MIC2937A-12WU include low dropout voltage, current limiting, thermal shutdown, and high ripple rejection.
Can the MIC2937A-12WU be used in automotive applications?
- Yes, the MIC2937A-12WU is suitable for use in automotive applications, provided it meets the specific requirements and standards for automotive electronics.