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:

VIN: Input voltage pin
GND: Ground pin
VOUT: Output voltage pin
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:

Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
Automotive electronics: Ensures a consistent voltage supply for automotive systems, including infotainment systems, lighting, and sensors.
Industrial equipment: Regulates voltage for control systems, motor drives, and other industrial applications.
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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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací EL7581IRE v technických řešeních

Sure! Here are 10 common questions and answers related to the application of EL7581IRE in technical solutions:

Q1: What is EL7581IRE? A1: EL7581IRE is a specific integrated circuit (IC) used for controlling and driving high-power LEDs in various technical applications.

Q2: What is the maximum current that EL7581IRE can handle? A2: EL7581IRE can handle a maximum current of up to 3A, making it suitable for driving high-power LEDs.

Q3: Can EL7581IRE be used with different LED types? A3: Yes, EL7581IRE is compatible with various LED types, including single-color, multi-color, and RGB LEDs.

Q4: Does EL7581IRE require any external components for operation? A4: Yes, EL7581IRE requires external components such as resistors, capacitors, and inductors for proper operation and protection.

Q5: What is the input voltage range for EL7581IRE? A5: The input voltage range for EL7581IRE typically ranges from 8V to 40V, allowing flexibility in power supply selection.

Q6: Can EL7581IRE be used in automotive applications? A6: Yes, EL7581IRE is designed to meet automotive-grade requirements, making it suitable for automotive lighting applications.

Q7: Does EL7581IRE have built-in thermal protection? A7: Yes, EL7581IRE incorporates thermal protection features to prevent overheating and ensure safe operation.

Q8: Can EL7581IRE dim the LEDs it drives? A8: Yes, EL7581IRE supports PWM (Pulse Width Modulation) dimming, allowing precise control of LED brightness.

Q9: Is EL7581IRE compatible with both analog and digital control signals? A9: Yes, EL7581IRE can accept both analog and digital control signals, providing flexibility in system integration.

Q10: What is the typical efficiency of EL7581IRE? A10: The typical efficiency of EL7581IRE is around 90%, ensuring efficient power conversion and minimizing energy loss.

Please note that these answers are general and may vary depending on specific application requirements and datasheet specifications.