EL1509CS-T7

Product Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: TO-220
• Essence: Integrated circuit voltage regulator
• Packaging/Quantity: Tape and reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 1.2V to 18V
• Dropout Voltage: 0.3V at 1A
• Maximum Output Current: 1.5A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The EL1509CS-T7 has a standard TO-220 package with three pins:

1. Pin 1: Input Voltage (VIN)
2. Pin 2: Ground (GND)
3. Pin 3: Output Voltage (VOUT)

Functional Features

• High efficiency: The EL1509CS-T7 offers high efficiency, minimizing power loss during voltage regulation.
• Low dropout voltage: With a dropout voltage of only 0.3V at 1A, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Compact size: The TO-220 package allows for easy integration into various electronic circuits while occupying minimal space.

Advantages and Disadvantages

Advantages

• High efficiency ensures optimal power usage.
• Low dropout voltage enables stable output even with varying input voltages.
• Compact size facilitates integration into space-constrained designs.

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications.
• Operating temperature range of -40°C to +125°C may restrict usage in extreme environments.

Working Principles

The EL1509CS-T7 is an integrated circuit voltage regulator that utilizes a feedback mechanism to maintain a constant output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to regulate the output within the specified range. The dropout voltage is minimized by employing low-resistance pass elements, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The EL1509CS-T7 is commonly used in various electronic devices and systems, including:

1. Power supplies: It can be employed in linear power supplies to regulate the output voltage and ensure stable operation.
2. Automotive electronics: The regulator finds applications in automotive systems such as infotainment systems, lighting controls, and engine management units.
3. Industrial equipment: It is suitable for use in industrial control systems, motor drives, and instrumentation devices.
4. Consumer electronics: The regulator can be utilized in audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics and pin configuration.
2. LT1085: A high-current, low-dropout voltage regulator suitable for demanding applications.
3. LM7805: A fixed 5V voltage regulator commonly used in electronic circuits requiring a stable 5V supply.

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