LD39030SJ18R

Product Overview

Category

LD39030SJ18R belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• LD39030SJ18R has a low dropout voltage, making it suitable for applications with tight voltage requirements.
• It offers high accuracy and stability in voltage regulation.
• The product operates within a wide input voltage range.
• LD39030SJ18R is designed to provide excellent line and load regulation.
• It has built-in protection features such as thermal shutdown and current limiting.

Package

The LD39030SJ18R comes in a compact surface-mount package.

Essence

The essence of LD39030SJ18R lies in its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 300mA
• Line Regulation: ±0.1% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LD39030SJ18R has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient voltage regulation even when the input voltage is close to the desired output voltage.
• High accuracy and stability enable precise voltage regulation in various operating conditions.
• Wide input voltage range allows flexibility in different applications.
• Excellent line and load regulation ensure consistent performance across varying loads and input voltages.
• Built-in protection features such as thermal shutdown and current limiting enhance the reliability and safety of the product.

Advantages and Disadvantages

Advantages

• Low dropout voltage
• High accuracy and stability
• Wide input voltage range
• Excellent line and load regulation
• Built-in protection features

Disadvantages

• Limited maximum output current (300mA)

Working Principles

LD39030SJ18R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

LD39030SJ18R finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LD39030SJ18R are: - LD1117S33TR: A 3.3V low dropout voltage regulator with similar characteristics and package. - LM317T: A versatile adjustable voltage regulator with higher output current capability. - LT1761ES5-3.3: A low dropout voltage regulator with a fixed 3.3V output voltage.

These alternative models provide similar functionality and can be chosen based on specific application requirements.

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