EL7222CS-T7

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: TO-220
• Essence: EL7222CS-T7 is a voltage regulator integrated circuit designed for various electronic applications.
• Packaging/Quantity: Available in reels of 1000 units.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Output Current: Up to 2A
• Dropout Voltage: 0.3V at 2A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The EL7222CS-T7 has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND ADJ |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ADJ: Adjustable pin (used to set the output voltage)

Functional Features

• High efficiency: The EL7222CS-T7 offers high efficiency, minimizing power loss during voltage regulation.
• Low dropout voltage: With a dropout voltage as low as 0.3V, it 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 devices.

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss.
• Low dropout voltage enables stable output even with varying input voltages.
• Compact size facilitates integration into electronic devices.

Disadvantages

• Limited output current of up to 2A may not be suitable for high-power applications.
• Requires external components for proper voltage regulation.

Working Principles

The EL7222CS-T7 operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the ADJ pin. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The EL7222CS-T7 is widely used in various electronic applications, including:

1. Power supplies: It can be employed in low-power DC-DC converters and linear power supplies.
2. Consumer electronics: Suitable for use in portable devices, such as smartphones, tablets, and digital cameras.
3. Automotive electronics: Used in automotive power management systems, infotainment systems, and lighting control modules.
4. Industrial equipment: Finds application in industrial automation, motor control, and instrumentation systems.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with similar specifications and pin configuration.
2. LT1084: Offers higher output current capability while maintaining low dropout voltage.
3. LM1117: Provides fixed output voltage options with low quiescent current.

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

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