LM3814MX-1.0

Product Overview

Category

The LM3814MX-1.0 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices to regulate and control power supply voltages efficiently.

Characteristics

• The LM3814MX-1.0 is a high-performance voltage regulator with a fixed output voltage of 1.0V.
• It operates within a wide input voltage range, making it suitable for diverse applications.
• This IC offers excellent line and load regulation, ensuring stable and reliable power delivery.
• It incorporates advanced protection features such as thermal shutdown and overcurrent protection.
• The LM3814MX-1.0 is designed to provide efficient power conversion with minimal power dissipation.

Package

The LM3814MX-1.0 is available in a small outline integrated circuit (SOIC) package, which facilitates easy integration into electronic circuits.

Essence

The essence of the LM3814MX-1.0 lies in its ability to regulate and stabilize power supply voltages, ensuring proper functioning of electronic devices.

Packaging/Quantity

This IC is typically sold in reels or tubes containing a specific quantity, usually ranging from a few hundred to several thousand units per package.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.0V (fixed)
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (maximum)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM3814MX-1.0 has a standard pin configuration with the following connections:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for voltage regulation
4. EN: Enable pin to control the IC's operation
5. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: The LM3814MX-1.0 ensures a stable output voltage of 1.0V, regardless of input voltage variations.
• Efficiency: This IC offers high efficiency in power conversion, minimizing energy loss during operation.
• Protection Mechanisms: It incorporates built-in protection features such as thermal shutdown and overcurrent protection, safeguarding the IC and connected devices.
• Low Quiescent Current: The LM3814MX-1.0 consumes minimal current when in standby mode, conserving power.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Wide input voltage range
• High efficiency
• Built-in protection mechanisms
• Compact package size

Disadvantages

• Fixed output voltage may limit certain applications requiring variable output voltages.
• Limited output current capacity compared to some other power management ICs.

Working Principles

The LM3814MX-1.0 operates based on a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.0V. This regulation is achieved through a combination of switching and control techniques, ensuring efficient power delivery.

Detailed Application Field Plans

The LM3814MX-1.0 finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

In these applications, the LM3814MX-1.0 provides reliable power regulation, contributing to the overall performance and longevity of the devices.

Detailed and Complete Alternative Models

• LM3814MX-1.2: Fixed output voltage of 1.2V
• LM3814MX-1.5: Fixed output voltage of 1.5V
• LM3814MX-2.5: Fixed output voltage of 2.5V
• LM3814MX-3.3: Fixed output voltage of 3.3V

These alternative models offer different fixed output voltages, allowing for flexibility in various applications.

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