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MIC37502WR-TR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection
Package: WSON-8
Essence: The MIC37502WR-TR is a voltage regulator IC that provides a stable output voltage from a variable input voltage source.
Packaging/Quantity: The MIC37502WR-TR is available in tape and reel packaging, with 3000 units per reel.
Specifications
- Input Voltage Range: 2.7V to 16V
- Output Voltage Range: 0.8V to 5.5V
- Dropout Voltage: 200mV at 1A
- Maximum Output Current: 1.5A
- Quiescent Current: 120µA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The MIC37502WR-TR has the following pin configuration:
- VIN: Input voltage pin
- EN: Enable pin
- GND: Ground pin
- FB: Feedback pin
- VOUT: Output voltage pin
- NC: No connection
- NC: No connection
- PG: Power good indicator pin
Functional Features
- High Efficiency: The MIC37502WR-TR utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
- Low Dropout Voltage: With a low dropout voltage of only 200mV at 1A, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
- Wide Input Voltage Range: The IC can operate within a wide input voltage range of 2.7V to 16V, making it suitable for various applications.
- Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.5V, providing flexibility for different requirements.
- Overcurrent and Thermal Protection: The MIC37502WR-TR incorporates overcurrent and thermal protection mechanisms to safeguard against excessive current and temperature.
Advantages and Disadvantages
Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection
Disadvantages: - Dropout voltage may limit performance in low voltage applications
Working Principles
The MIC37502WR-TR operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set to the desired level. The regulator continuously monitors the input voltage and adjusts the internal circuitry to maintain a stable output voltage.
Detailed Application Field Plans
The MIC37502WR-TR is commonly used in various electronic devices and systems that require a stable and regulated power supply. Some typical application fields include:
- Mobile Devices: Smartphones, tablets, portable media players.
- Computer Systems: Desktops, laptops, servers.
- Industrial Equipment: Automation systems, control panels, motor drives.
- Automotive Electronics: Infotainment systems, navigation units, lighting controls.
- Consumer Electronics: Audio/video equipment, gaming consoles, home appliances.
Detailed and Complete Alternative Models
- LM317: Adjustable voltage regulator with similar features and package options.
- LT1086: Low dropout voltage regulator with adjustable output voltage.
- TPS7A47: High-efficiency voltage regulator with wide input voltage range.
These alternative models offer similar functionality and can be considered as substitutes for the MIC37502WR-TR in various applications.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van MIC37502WR-TR in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of MIC37502WR-TR in technical solutions:
Q: What is MIC37502WR-TR? A: MIC37502WR-TR is a voltage regulator IC (integrated circuit) that provides a regulated output voltage from an input voltage source.
Q: What is the input voltage range for MIC37502WR-TR? A: The input voltage range for MIC37502WR-TR is typically between 4.5V and 28V.
Q: What is the output voltage range for MIC37502WR-TR? A: The output voltage range for MIC37502WR-TR can be adjusted from 0.8V to 5.5V using external resistors.
Q: What is the maximum output current of MIC37502WR-TR? A: MIC37502WR-TR can provide a maximum output current of up to 2A.
Q: Is MIC37502WR-TR suitable for battery-powered applications? A: Yes, MIC37502WR-TR is suitable for battery-powered applications as it has low quiescent current and supports low dropout voltage operation.
Q: Does MIC37502WR-TR have built-in protection features? A: Yes, MIC37502WR-TR includes built-in protection features such as thermal shutdown, current limit, and short-circuit protection.
Q: Can MIC37502WR-TR operate in a wide temperature range? A: Yes, MIC37502WR-TR is designed to operate in a wide temperature range, typically from -40°C to +125°C.
Q: What type of package does MIC37502WR-TR come in? A: MIC37502WR-TR is available in a small form factor 8-pin SOIC (Small Outline Integrated Circuit) package.
Q: Can MIC37502WR-TR be used in automotive applications? A: Yes, MIC37502WR-TR is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.
Q: Are there any evaluation boards or reference designs available for MIC37502WR-TR? A: Yes, Microchip provides evaluation boards and reference designs for MIC37502WR-TR to help with the development and testing of technical solutions.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements. It's always recommended to refer to the official documentation and consult with the manufacturer for accurate information.