MIC4950YFL-TR

Product Overview

Category

MIC4950YFL-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage regulator in various electronic devices.

Characteristics

• Low dropout voltage
• High output current capability
• Wide input voltage range
• Thermal shutdown protection
• Short-circuit current limit
• Adjustable output voltage

Package

MIC4950YFL-TR is available in a small outline package (SOT-23-5) which is suitable for surface mount applications.

Essence

The essence of this product lies in its ability to regulate and stabilize voltage levels, ensuring reliable and consistent power supply to electronic components.

Packaging/Quantity

Typically, MIC4950YFL-TR is packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 12V
• Dropout Voltage: 250mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC4950YFL-TR has a total of five pins:

1. VIN (Input Voltage)
2. GND (Ground)
3. ADJ (Adjustment Pin)
4. VOUT (Output Voltage)
5. NC (No Connection)

Functional Features

• Low Dropout Voltage: The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, this IC can handle a wide range of load requirements.
• Wide Input Voltage Range: The IC can operate within a broad input voltage range, making it suitable for various applications.
• Thermal Shutdown Protection: The built-in thermal shutdown protection prevents the IC from overheating, ensuring its longevity and reliability.
• Short-Circuit Current Limit: The short-circuit current limit feature protects the IC and connected components from excessive current flow during a short circuit event.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet specific application requirements.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• High output current capability
• Wide input voltage range
• Thermal shutdown protection
• Short-circuit current limit
• Adjustable output voltage

Disadvantages

• Limited maximum output current compared to some other voltage regulators in the market
• Requires external components for proper operation

Working Principles

MIC4950YFL-TR operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the reference voltage with the feedback voltage, the IC adjusts the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

MIC4950YFL-TR finds applications in various electronic devices that require regulated power supply, such as: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC4950YFL-TR include: - LM317 - LT1083 - LM1117 - LM7805 - NCP1117

These models provide comparable voltage regulation capabilities and are widely used in the industry.

In conclusion, MIC4950YFL-TR is an integrated circuit voltage regulator that offers efficient voltage regulation, high output current capability, and a wide input voltage range. It is commonly used in various electronic devices that require stable power supply. While it has some limitations, it provides reliable performance and can be replaced by alternative models with similar functionality.