LM3814MX-7.0

Product Overview

Category

The LM3814MX-7.0 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and controlling voltage levels in electronic circuits.

Characteristics

• The LM3814MX-7.0 is a high-performance voltage regulator with excellent precision and stability.
• It operates within a wide input voltage range, making it suitable for various applications.
• This product offers low dropout voltage, ensuring efficient power conversion.
• It exhibits low quiescent current, resulting in reduced power consumption.
• The LM3814MX-7.0 is designed to provide reliable and accurate voltage regulation.

Package

This voltage regulator is available in a compact MX package, which facilitates easy integration into circuit boards.

Essence

The essence of the LM3814MX-7.0 lies in its ability to regulate voltage levels effectively, ensuring optimal performance of electronic devices.

Packaging/Quantity

The LM3814MX-7.0 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV (maximum)
• Quiescent Current: 50µA (typical)
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3814MX-7.0 features the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Wide Input Voltage Range: The LM3814MX-7.0 can accept a wide range of input voltages, making it versatile for various applications.
• Low Dropout Voltage: With a maximum dropout voltage of 200mV, this regulator ensures efficient power conversion even when the input voltage is close to the output voltage.
• Low Quiescent Current: The LM3814MX-7.0 exhibits low quiescent current, minimizing power consumption and extending battery life in portable devices.
• Short Circuit Protection: It incorporates built-in short circuit protection, safeguarding the circuit from damage in case of a fault.
• Thermal Shutdown: The device includes thermal shutdown protection, preventing overheating and ensuring safe operation.

Advantages and Disadvantages

Advantages

• High precision and stability in voltage regulation.
• Wide input voltage range allows for flexible application.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current reduces power consumption.
• Built-in short circuit and thermal protection enhance reliability.

Disadvantages

• Limited output current capacity (up to 500mA).
• Requires external components for specific applications.
• Not suitable for high-power applications.

Working Principles

The LM3814MX-7.0 operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage despite variations in the input voltage or load conditions. This feedback loop ensures precise and reliable voltage regulation.

Detailed Application Field Plans

The LM3814MX-7.0 finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. LM317T: A popular linear voltage regulator with adjustable output voltage and higher output current capability.
2. LM1117-3.3: A low dropout voltage regulator with fixed 3.3V output voltage and higher output current capacity.
3. LT1084: A high-current, adjustable linear voltage regulator suitable for demanding applications.

These alternative models offer different features and specifications, providing options based on specific requirements.

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