EL7518IYZ

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage, small package size
• Package: TO-263-5 (D2PAK)
• Essence: This IC is designed to regulate voltage and provide a stable output for various electronic devices.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 5.5V
• Output Current: Up to 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The EL7518IYZ has the following pin configuration:

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

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage ensures efficient power conversion
• Built-in thermal shutdown protection
• Short-circuit current limiting
• Fast transient response

Advantages

• High efficiency leads to reduced power dissipation
• Wide input voltage range allows compatibility with various power sources
• Small package size saves board space
• Adjustable output voltage provides flexibility for different applications

Disadvantages

• Limited output current may not be suitable for high-power devices
• Not suitable for applications requiring extremely low dropout voltage

Working Principles

The EL7518IYZ is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output. The adjustable output voltage feature allows users to set the desired voltage level using external resistors.

Application Field Plans

The EL7518IYZ is commonly used in various electronic devices, including:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Ensures reliable power regulation in control systems, sensors, and communication modules.
3. Automotive applications: Used in automotive electronics for voltage regulation in infotainment systems, lighting, and engine control units.
4. Home appliances: Enables stable power supply in devices like smart thermostats, home security systems, and audio/video equipment.

Alternative Models

1. LM317T: Adjustable voltage regulator with similar specifications and pin configuration.
2. LT1085CT: High-current adjustable voltage regulator with lower dropout voltage.
3. LM1117IMPX-3.3/NOPB: Fixed 3.3V voltage regulator in a small SOT-223 package.

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

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