E-L4981AD

Product Overview

Category

E-L4981AD belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for controlling and regulating power in electronic devices.

Characteristics

• High efficiency
• Low power consumption
• Compact size
• Wide input voltage range

Package

E-L4981AD is available in a compact and durable package, ensuring easy integration into various electronic systems.

Essence

The essence of E-L4981AD lies in its ability to efficiently manage power distribution and regulation within electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on customer requirements.

Specifications

• Input Voltage Range: 4.5V - 55V
• Output Voltage Range: 0.8V - 50V
• Maximum Output Current: 10A
• Operating Temperature Range: -40°C to 125°C
• Package Type: TO-220

Detailed Pin Configuration

E-L4981AD features a standard pin configuration as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for device activation
6. OUT: Output pin for regulated voltage
7. CS: Current sense pin for current monitoring
8. REF: Reference voltage pin

Functional Features

• Voltage regulation: E-L4981AD ensures stable and accurate output voltage levels.
• Current monitoring: The CS pin allows for precise monitoring of output current.
• Overcurrent protection: The device incorporates overcurrent protection to safeguard against excessive current flow.
• Thermal shutdown: It includes a thermal shutdown feature that prevents damage due to overheating.
• Enable/disable control: The EN pin enables or disables the device as per system requirements.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Wide input voltage range allows for versatile applications.
• Compact size enables easy integration into various electronic systems.
• Overcurrent protection ensures device and system safety.

Disadvantages

• Limited maximum output current of 10A may not be suitable for high-power applications.
• Operating temperature range may restrict usage in extreme environments.

Working Principles

E-L4981AD operates on the principle of pulse width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the PWM signal. The feedback mechanism continuously compares the actual output voltage with the desired voltage, making necessary adjustments to maintain stability and accuracy.

Detailed Application Field Plans

E-L4981AD finds extensive application in various fields, including: 1. Power supplies for consumer electronics 2. Industrial automation systems 3. Automotive electronics 4. LED lighting systems 5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to E-L4981AD are: 1. E-L4978AD 2. E-L4991AD 3. E-L4963AD 4. E-L4956AD 5. E-L4949AD

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, E-L4981AD is a power management integrated circuit that offers efficient power regulation and distribution. With its compact size, wide input voltage range, and various functional features, it finds application in diverse fields. While it has certain limitations, alternative models provide options to meet specific requirements.