LD29300D2M18

Product Overview

Category: Integrated Circuit (IC)

Use: LD29300D2M18 is a voltage regulator IC used to regulate and stabilize the output voltage in various electronic devices.

Characteristics: - High input voltage range - Low dropout voltage - Low quiescent current - Thermal shutdown protection - Short-circuit protection

Package: LD29300D2M18 is available in a TO-263 package, which provides excellent thermal dissipation.

Essence: The essence of LD29300D2M18 lies in its ability to provide a stable and regulated output voltage for electronic devices, ensuring their proper functioning.

Packaging/Quantity: LD29300D2M18 is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Dropout Voltage: 0.6V at 3A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD29300D2M18 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• High Input Voltage Range: LD29300D2M18 can handle a wide range of input voltages, making it suitable for various applications.
• Low Dropout Voltage: The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: LD29300D2M18 consumes minimal current when in standby mode, reducing power consumption.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Short-Circuit Protection: LD29300D2M18 is equipped with short-circuit protection, safeguarding the device and connected components.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - Low dropout voltage ensures efficient regulation - Low quiescent current reduces power consumption - Thermal shutdown protection prevents overheating - Short-circuit protection safeguards the device and connected components

Disadvantages: - Limited output voltage range compared to some other voltage regulator ICs - Higher cost compared to basic linear regulators

Working Principles

LD29300D2M18 operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This regulates the flow of current and maintains a stable output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

LD29300D2M18 finds applications in various electronic devices that require a stable and regulated power supply. Some common application fields include: - Consumer electronics - Automotive systems - Industrial equipment - Telecommunications devices - Power management circuits

Detailed and Complete Alternative Models

Some alternative models to LD29300D2M18 that offer similar functionality are: - LM317: A popular adjustable linear voltage regulator IC with a wide input voltage range. - LT1084: A high-current, low-dropout linear voltage regulator suitable for demanding applications. - TPS7A4700: An ultra-low-noise linear voltage regulator designed for sensitive audio and RF applications.

These alternative models provide options with different specifications and features, allowing designers to choose the most suitable voltage regulator for their specific requirements.

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