EL7581IRE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, adjustable output voltage
• Package: Integrated Circuit Package
• Essence: Regulates input voltage to provide a stable output voltage
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 16V
• Dropout Voltage: 200mV at 1A
• Maximum Output Current: 1.5A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The EL7581IRE has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage

Functional Features

• High efficiency: The EL7581IRE utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
• Low dropout voltage: With a dropout voltage as low as 200mV, the regulator can operate efficiently even with small input-output voltage differentials.
• Adjustable output voltage: The ADJ pin allows users to set the desired output voltage within the specified range.

Advantages and Disadvantages

Advantages

• High efficiency design reduces power consumption.
• Low dropout voltage enables operation with small voltage differentials.
• Adjustable output voltage provides flexibility for various applications.
• Wide input voltage range allows compatibility with different power sources.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for high-power applications.
• Quiescent current of 75µA may contribute to power consumption in standby mode.

Working Principles

The EL7581IRE is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage. It achieves this by utilizing a feedback mechanism that continuously adjusts the internal circuitry to compensate for changes in the input voltage. The regulator operates by comparing the output voltage with a reference voltage and adjusting the internal components accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The EL7581IRE can be used in various applications, including:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: Ensures a consistent voltage supply for automotive systems, including infotainment systems, lighting, and sensors.
3. Industrial equipment: Regulates voltage for control systems, motor drives, and other industrial applications.
4. Communication devices: Maintains a stable voltage for routers, modems, and other network equipment.

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with a maximum output current of 1.5A.
• LT1084: High-current adjustable voltage regulator with a maximum output current of 5A.
• LM1117: Low dropout voltage regulator with a maximum output current of 800mA.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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