E-4408 Product Overview

Product Category

E-4408 belongs to the category of electronic components, specifically as an integrated circuit (IC).

Basic Information Overview

• Use: E-4408 is used as a voltage regulator in various electronic circuits to maintain a stable output voltage.
• Characteristics: It is known for its high efficiency, low dropout voltage, and thermal shutdown protection.
• Package: The E-4408 comes in a small outline integrated circuit (SOIC) package.
• Essence: Its essence lies in providing reliable voltage regulation for electronic devices.
• Packaging/Quantity: Typically, E-4408 is packaged in reels containing 2500 units.

Specifications

The E-4408 has the following specifications: - Input Voltage Range: 4.5V to 28V - Output Voltage Range: 1.25V to 20V - Maximum Output Current: 500mA - Dropout Voltage: 300mV at 500mA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The E-4408 has a standard pin configuration with input, output, and ground pins, along with additional pins for features such as enable and thermal shutdown.

Functional Features

• Voltage Regulation: The E-4408 provides stable output voltage even with varying input voltages.
• Thermal Shutdown Protection: It includes built-in protection against overheating, ensuring safe operation.
• Low Dropout Voltage: This feature allows the IC to regulate the output voltage even when the input voltage is only slightly higher.

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Thermal shutdown protection
• Small form factor

Disadvantages

• Limited maximum output current
• Higher dropout voltage compared to some alternative models

Working Principles

The E-4408 works by comparing the actual output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage. It achieves this through a combination of feedback control and internal amplification.

Detailed Application Field Plans

E-4408 finds applications in various electronic devices, including: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to E-4408 include: - LM7805: A popular linear voltage regulator with similar characteristics - LT1763: Low dropout regulator suitable for low-power applications - LM317: Adjustable voltage regulator widely used in hobbyist projects

In conclusion, E-4408 serves as a reliable voltage regulator with specific advantages and limitations, making it suitable for a range of electronic applications.

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