MIC2951-02BN

Product Overview

Category

MIC2951-02BN belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output current capability
• Thermal shutdown protection
• Short-circuit current limiting
• Reverse battery protection

Package

MIC2951-02BN comes in a standard TO-220 package.

Essence

The essence of MIC2951-02BN lies in its ability to provide a stable and regulated voltage supply to electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 4.75V to 26V
• Output Voltage Range: 2.85V to 5.5V
• Dropout Voltage: 450mV (typical)
• Output Current: Up to 500mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC2951-02BN has a total of five pins:

1. GND: Ground pin
2. IN: Input voltage pin
3. OUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage
5. SHDN: Shutdown pin for enabling/disabling the regulator

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High output current capability allows it to power a wide range of electronic components.
• Thermal shutdown protection prevents overheating and damage to the device.
• Short-circuit current limiting protects against excessive current flow during faults.
• Reverse battery protection safeguards the circuit from reverse polarity connection.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Wide input voltage range
• Low quiescent current
• Robust protection features

Disadvantages

• Limited output current compared to higher-rated regulators
• Higher dropout voltage than some other models

Working Principles

MIC2951-02BN operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. It uses a feedback mechanism to maintain a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

MIC2951-02BN finds applications in various electronic devices, including but not limited to: - Power supplies - Battery-powered systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC2951-02BN are: - LM317 - LT1085 - LM1117 - LP2985

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, MIC2951-02BN is a voltage regulator that provides stable and regulated voltage output for electronic circuits. With its low dropout voltage, high output current capability, and robust protection features, it is suitable for a wide range of applications. However, it has limitations in terms of output current and dropout voltage when compared to certain alternative models.