LMR824F-GE2

Product Overview

Category: Integrated Circuits (ICs)

Use: The LMR824F-GE2 is a high-performance voltage regulator designed for use in various electronic devices and systems. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Fast transient response

Package: The LMR824F-GE2 is available in a compact surface-mount package, making it suitable for space-constrained applications.

Essence: This voltage regulator is an essential component in electronic circuits as it ensures that the output voltage remains constant regardless of fluctuations in the input voltage or load conditions.

Packaging/Quantity: The LMR824F-GE2 is typically sold in reels containing a specified quantity of units, ensuring easy handling and storage during production.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMR824F-GE2 features a standard pin configuration with the following connections:

1. VIN: Input voltage
2. GND: Ground reference
3. FB: Feedback pin for setting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Regulated output voltage

Functional Features

• High Efficiency: The LMR824F-GE2 utilizes advanced circuitry to achieve high efficiency, minimizing power losses and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Overcurrent and Thermal Protection: The device incorporates built-in protection mechanisms to safeguard against excessive current and temperature, ensuring safe operation under various conditions.
• Fast Transient Response: The LMR824F-GE2 responds quickly to changes in load conditions, providing a stable output voltage during sudden load variations.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Overcurrent and thermal protection enhance reliability and safety - Fast transient response ensures stability during dynamic load changes

Disadvantages: - Limited maximum output current may restrict usage in high-power applications - Adjustable output voltage requires careful configuration for specific requirements

Working Principles

The LMR824F-GE2 operates based on a feedback control mechanism. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This regulation is achieved through a combination of switching and linear techniques, resulting in efficient and accurate voltage regulation.

Detailed Application Field Plans

The LMR824F-GE2 finds application in various electronic systems, including but not limited to: - Portable consumer electronics (smartphones, tablets, portable media players) - Battery-powered devices (wearable devices, wireless sensors) - Industrial automation equipment - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with higher output current capability.
2. LT1763: A low dropout voltage regulator suitable for noise-sensitive applications.
3. TPS7A47: An ultra-low noise, high PSRR voltage regulator designed for audio applications.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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