EL7584IR-T7

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: TO-252-5 (DPAK)

Essence: The EL7584IR-T7 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The EL7584IR-T7 is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The EL7584IR-T7 has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| NC FB |-- Pin 3: Feedback --| NC NC |-- Pin 4: Not Connected --| VIN VOUT|-- Pin 5: Output Voltage |___________| ```

Functional Features

• Low Dropout Voltage: The EL7584IR-T7 exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Output Current: With a maximum output current of 1A, this voltage regulator can handle high-power applications.
• Adjustable Output Voltage: The output voltage can be adjusted within a wide range, allowing flexibility in various electronic designs.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability for demanding applications. - Adjustable output voltage provides design flexibility. - Thermal shutdown protection prevents overheating.

Disadvantages: - Limited input voltage range (2.5V to 6.5V). - Quiescent current of 75µA may not be suitable for ultra-low-power applications.

Working Principles

The EL7584IR-T7 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The feedback pin (FB) is used to set the desired output voltage, which is compared to an internal reference voltage. The error amplifier adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for load variations.

Detailed Application Field Plans

The EL7584IR-T7 is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Portable Electronics: Mobile phones, tablets, and portable media players benefit from the EL7584IR-T7's low dropout voltage and high output current capabilities.
2. Wireless Communication Devices: Bluetooth headsets, wireless routers, and IoT devices often require a reliable voltage regulator like the EL7584IR-T7 to ensure stable operation.
3. Automotive Electronics: In-car entertainment systems, navigation devices, and dashboard displays can utilize the EL7584IR-T7 to provide a consistent power source.
4. Industrial Control Systems: PLCs (Programmable Logic Controllers), motor control units, and sensor modules can benefit from the adjustable output voltage and thermal shutdown protection offered by the EL7584IR-T7.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and high current capability.
2. LT1086: Another versatile linear regulator with low dropout voltage and adjustable output voltage.
3. LM1117: A fixed-output voltage regulator available in various voltage options, suitable for applications with specific voltage requirements.

These alternative models offer similar functionality to the EL7584IR-T7 and can be considered based on specific design requirements.

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