MIC2951-4.8YM-TR

Product Overview

Category

MIC2951-4.8YM-TR belongs to the category of voltage regulators.

Use

This product is commonly used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Voltage Output: 4.8V
• Package Type: Surface Mount
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The specifications for MIC2951-4.8YM-TR are as follows:

• Input Voltage Range: 7V to 26V
• Output Current: Up to 150mA
• Dropout Voltage: 0.5V (typical)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.2% (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration for MIC2951-4.8YM-TR is as follows:

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)
4. BYP (Bypass Capacitor)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device and connected components from overcurrent situations.

Advantages and Disadvantages

Advantages

• Compact surface mount package allows for easy integration into space-constrained designs.
• Wide input voltage range enables compatibility with various power sources.
• High accuracy and stability ensure reliable voltage regulation.
• Built-in protection features enhance the durability and safety of the circuit.

Disadvantages

• Limited output current capacity may restrict usage in high-power applications.
• Higher dropout voltage compared to some alternative models may result in lower efficiency.

Working Principles

MIC2951-4.8YM-TR operates based on the principle of linear regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

MIC2951-4.8YM-TR finds application in various electronic systems that require a regulated 4.8V power supply. Some common application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices often require a stable voltage source for their internal circuitry.
2. Automotive electronics: MIC2951-4.8YM-TR can be used in automotive applications where a regulated voltage is necessary for sensors, control modules, and other components.
3. Industrial automation: This voltage regulator is suitable for powering microcontrollers, sensors, and other electronic components in industrial automation systems.
4. Communication equipment: Wireless routers, modems, and other communication devices benefit from the stable voltage provided by MIC2951-4.8YM-TR.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC2951-4.8YM-TR are:

1. LM1117-4.8: A popular voltage regulator with a fixed 4.8V output and low dropout voltage.
2. LT1761-4.8: Another surface mount regulator offering a fixed 4.8V output and high accuracy.
3. TPS73601DRBR: This device provides a fixed 4.8V output and features low quiescent current for improved efficiency.

In conclusion, MIC2951-4.8YM-TR is a voltage regulator that offers stable and regulated 4.8V output voltage. Its compact package, wide input voltage range, and built-in protection features make it suitable for various electronic applications. However, its limited output current capacity and relatively higher dropout voltage should be considered when selecting the appropriate regulator for specific requirements.

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