LE25ABZ

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, High Current Capability
• Package: TO-220
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tube/50 pieces

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.25V to 18V
• Output Current: Up to 2.5A
• Dropout Voltage: 0.4V (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LE25ABZ voltage regulator has three pins:

1. VIN - Input Voltage Pin
2. VOUT - Output Voltage Pin
3. GND - Ground Pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Adjustable output voltage allows for flexibility in various applications.
• High current capability enables the regulator to handle demanding loads.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages

• Low dropout voltage minimizes power dissipation.
• Adjustable output voltage suits a wide range of applications.
• High current capability supports demanding loads.
• Excellent line and load regulation provide stable output.
• Thermal shutdown and current limit protection enhance safety.

Disadvantages

• Higher quiescent current compared to some other voltage regulators.
• Limited output current compared to higher-power alternatives.

Working Principles

The LE25ABZ is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output. The dropout voltage is minimized by utilizing a low saturation voltage transistor.

Detailed Application Field Plans

The LE25ABZ is suitable for various applications, including:

1. Battery-powered devices
2. Portable electronics
3. Automotive systems
4. Industrial equipment
5. Power supplies
6. Embedded systems

Detailed and Complete Alternative Models

1. LM317 - Adjustable Voltage Regulator, TO-220 package
2. LT1084 - Low Dropout Voltage Regulator, TO-220 package
3. LM1117 - Low Dropout Voltage Regulator, SOT-223 package
4. LM7805 - Fixed Voltage Regulator, TO-220 package
5. LM2940 - Low Dropout Voltage Regulator, TO-220 package

These alternative models offer similar functionality and can be considered based on specific requirements.

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