EL7581IRE-T13

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Low Dropout Voltage
• Package: TO-220-5L
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel / 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.25V to 16V
• Maximum Output Current: 3A
• Dropout Voltage: 300mV at 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The EL7581IRE-T13 IC has a TO-220-5L package with the following pin configuration:

1. GND (Ground)
2. VOUT (Output Voltage)
3. VIN (Input Voltage)
4. ADJ (Adjustment Pin)
5. NC (No Connection)

Functional Features

• High efficiency voltage regulation
• Low dropout voltage for improved power conversion
• Adjustable output voltage using the ADJ pin
• Overcurrent and thermal protection
• Fast transient response

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power dissipation
• Wide input voltage range allows for versatile applications
• Low dropout voltage ensures stable output even with low input voltages
• Adjustable output voltage provides flexibility in various scenarios
• Overcurrent and thermal protection enhance reliability

Disadvantages

• Limited maximum output current of 3A
• Requires external components for proper operation
• Relatively high quiescent current compared to some alternatives

Working Principles

The EL7581IRE-T13 is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by utilizing a feedback mechanism that compares the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal circuitry.

The IC operates by regulating the voltage drop across a pass transistor, which controls the output voltage. The dropout voltage is minimized to ensure efficient power conversion. Additionally, the device incorporates protection features such as overcurrent and thermal shutdown to safeguard against potential damage.

Detailed Application Field Plans

The EL7581IRE-T13 finds applications in various fields, including:

1. Automotive: Power management for vehicle electronics, such as infotainment systems, lighting, and sensors.
2. Industrial: Voltage regulation for industrial automation equipment, motor control, and instrumentation.
3. Consumer Electronics: Power supply for audio/video equipment, gaming consoles, and portable devices.
4. Telecommunications: Voltage regulation for telecom infrastructure, base stations, and networking equipment.
5. Renewable Energy: Power management in solar panels, wind turbines, and energy storage systems.

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with similar characteristics and pin configuration.
• LT1084: High current, low dropout voltage regulator suitable for demanding applications.
• LM1117: Fixed voltage regulator available in various output voltages.
• TPS7A47: Ultra-low noise, high PSRR voltage regulator for sensitive analog circuits.
• MAX15062: Integrated power management IC with multiple voltage regulators and protection features.

(Note: This list is not exhaustive and other alternatives may exist.)

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