MIC37151-2.5WR

Product Overview

Category

The MIC37151-2.5WR belongs to the category of voltage regulators.

Use

It is primarily used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 2.5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-263-5L
• Essence: Low dropout linear regulator

Packaging/Quantity

The MIC37151-2.5WR is available in a TO-263-5L package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 2.5V
• Output Current: Up to 1.5A
• Dropout Voltage: 300mV (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 75µA (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Detailed Pin Configuration

The MIC37151-2.5WR has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. NC: No connection
4. EN: Enable pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage for efficient regulation
• Wide input voltage range allows for versatile applications
• Excellent line and load regulation for stable output voltage
• Thermal shutdown protection prevents overheating
• Short circuit protection safeguards the device and connected components

Advantages

• High output current capability of up to 1.5A
• Wide input voltage range allows for flexibility in various applications
• Low dropout voltage minimizes power dissipation
• Excellent line and load regulation ensures stable output voltage
• Thermal shutdown and short circuit protection enhance reliability

Disadvantages

• Limited output voltage options (fixed at 2.5V)
• Higher quiescent current compared to some other regulators
• Relatively larger package size (TO-263-5L) may not be suitable for space-constrained designs

Working Principles

The MIC37151-2.5WR is a low dropout linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC37151-2.5WR can be used in various applications, including but not limited to:

1. Power supplies for microcontrollers and digital circuits
2. Battery-powered devices requiring stable voltage regulation
3. Automotive electronics
4. Industrial control systems
5. Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC37151-2.5WR include:

1. LM1117-2.5: Low dropout voltage regulator with fixed 2.5V output.
2. LT1763-2.5: Low noise, low dropout linear regulator with fixed 2.5V output.
3. TPS7A4901-2.5: Ultra-low dropout voltage regulator with fixed 2.5V output.

These alternative models provide comparable features and can be considered as substitutes based on specific application requirements.

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