LE25CD

Product Overview

Category: Integrated Circuit (IC)

Use: The LE25CD is a versatile integrated circuit primarily used for voltage regulation in electronic devices. It provides stable and regulated power supply to various components within a system.

Characteristics: - Compact size - High efficiency - Low power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: The LE25CD is available in a small outline package (SOP) which ensures easy integration into circuit boards. The package is designed to dissipate heat efficiently, ensuring optimal performance.

Essence: The LE25CD is an essential component in electronic devices that require precise and reliable voltage regulation. It ensures the smooth operation of various components by providing them with a stable power supply.

Packaging/Quantity: The LE25CD is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

The LE25CD has the following specifications:

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 1.2V - 12V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LE25CD features a standard pin configuration with the following pins:

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

The LE25CD offers several functional features that enhance its performance and usability:

1. Voltage Regulation: The IC provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
2. Adjustable Output: The ADJ pin allows users to adjust the output voltage within the specified range, providing flexibility for different applications.
3. Overcurrent Protection: The LE25CD incorporates overcurrent protection, safeguarding the circuit and connected components from excessive current flow.
4. Thermal Protection: It includes thermal protection mechanisms that prevent overheating, ensuring reliable operation even in demanding environments.

Advantages and Disadvantages

Advantages: - Compact size enables easy integration into space-constrained designs. - High efficiency results in minimal power loss during voltage regulation. - Wide input voltage range allows compatibility with various power sources. - Adjustable output voltage suits a wide range of applications. - Overcurrent and thermal protection enhance reliability and safety.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Dropout voltage may cause a slight voltage drop across the IC.

Working Principles

The LE25CD utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output.

Detailed Application Field Plans

The LE25CD finds applications in various electronic devices and systems, including but not limited to:

1. Mobile Devices: Provides regulated power supply to microcontrollers, sensors, and other components in smartphones, tablets, and wearables.
2. Industrial Automation: Ensures stable voltage supply to control systems, motor drivers, and sensors in industrial automation equipment.
3. Consumer Electronics: Used in audio/video equipment, gaming consoles, and home appliances to regulate power supply to critical components.
4. Automotive Electronics: Enables voltage regulation in automotive systems such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with a higher output current capability.
2. LT1084: Offers a higher output current and lower dropout voltage compared to the LE25CD.
3. LM1117: Provides fixed output voltage options with low dropout voltage and high efficiency.

These alternative models offer similar functionality to the LE25CD but may have different specifications and package options.

In conclusion, the LE25CD is a versatile integrated circuit used for voltage regulation in various electronic devices. Its compact size, high efficiency, and adjustable output voltage make it suitable for a wide range of applications. While it has limitations in terms of output current and dropout voltage, its advantages such as overcurrent and thermal protection outweigh these drawbacks. The LE25CD finds applications in mobile devices, industrial automation, consumer electronics, and automotive electronics. Additionally, alternative models like LM317, LT1084, and LM1117 provide alternatives with varying specifications and features.