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MIC49300BU TR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection
Package: SOT-23-5
Essence: The MIC49300BU TR is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.
Packaging/Quantity: The MIC49300BU TR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.
Specifications
- Input Voltage Range: 2.7V to 5.5V
- Output Voltage Range: 1.2V to 3.6V
- Dropout Voltage: 200mV at 150mA
- Maximum Output Current: 500mA
- Quiescent Current: 45µA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The MIC49300BU TR has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- EN: Enable pin (active high)
- FB: Feedback pin
- VOUT: Output voltage pin
Functional Features
- High Efficiency: The MIC49300BU TR offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
- Low Dropout Voltage: With a low dropout voltage of only 200mV at 150mA, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
- Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 3.6V using external resistors.
- Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
- Thermal Shutdown Protection: In case of excessive temperature rise, the MIC49300BU TR has a built-in thermal shutdown feature that protects the device from damage.
Advantages and Disadvantages
Advantages: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent and thermal protection
Disadvantages: - Limited maximum output current (500mA)
Working Principles
The MIC49300BU TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin allows the regulator to be turned on or off as needed.
Detailed Application Field Plans
The MIC49300BU TR can be used in various applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment
Detailed and Complete Alternative Models
Some alternative models to the MIC49300BU TR include: - LM1117-3.3: A popular 3.3V voltage regulator with similar characteristics and package. - MCP1702-3302E: Another 3.3V voltage regulator with low dropout voltage and SOT-23-5 package. - TPS79633: A 3.3V voltage regulator with high PSRR and low noise performance.
These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MIC49300BU TR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of MIC49300BU TR in technical solutions:
Q: What is MIC49300BU TR? A: MIC49300BU TR is a voltage regulator IC (integrated circuit) designed for use in various technical solutions.
Q: What is the input voltage range of MIC49300BU TR? A: The input voltage range of MIC49300BU TR is typically between 4.5V and 28V.
Q: What is the output voltage range of MIC49300BU TR? A: The output voltage range of MIC49300BU TR can be adjusted from 0.8V to 5.5V using external resistors.
Q: What is the maximum output current of MIC49300BU TR? A: MIC49300BU TR can provide a maximum output current of up to 3A.
Q: Is MIC49300BU TR suitable for low-power applications? A: No, MIC49300BU TR is designed for medium to high-power applications due to its high output current capability.
Q: Does MIC49300BU TR have built-in thermal protection? A: Yes, MIC49300BU TR incorporates thermal shutdown protection to prevent overheating.
Q: Can MIC49300BU TR operate in a wide temperature range? A: Yes, MIC49300BU TR is designed to operate reliably in a temperature range of -40°C to +125°C.
Q: Does MIC49300BU TR require any external components for operation? A: Yes, MIC49300BU TR requires a few external components such as input/output capacitors and resistors for voltage adjustment.
Q: Can MIC49300BU TR be used in automotive applications? A: Yes, MIC49300BU TR is suitable for automotive applications as it meets the necessary requirements and standards.
Q: What are some typical applications of MIC49300BU TR? A: MIC49300BU TR can be used in various technical solutions such as power supplies, industrial equipment, automotive systems, and more.
Please note that these answers are general and may vary depending on the specific requirements and use cases.