LD29150PT25R

Product Overview

Category

LD29150PT25R belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• LD29150PT25R has a low dropout voltage, making it suitable for applications with tight voltage requirements.
• It offers high accuracy and stability in voltage regulation.
• The device operates within a wide input voltage range.
• LD29150PT25R has built-in protection features such as thermal shutdown and current limiting.

Package

The LD29150PT25R comes in a compact TO-252 package, also known as DPAK (Discrete Package).

Essence

The essence of LD29150PT25R lies in its ability to provide reliable and precise voltage regulation in various electronic systems.

Packaging/Quantity

LD29150PT25R is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

• Input Voltage Range: 4.5V - 26V
• Output Voltage: 2.5V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.5V (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD29150PT25R has three pins:

1. Input Pin (VIN): This pin is connected to the input voltage source.
2. Output Pin (VOUT): This pin provides the regulated output voltage.
3. Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: LD29150PT25R maintains a stable output voltage of 2.5V, regardless of input voltage fluctuations.
• Low Dropout: The device operates with a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown: LD29150PT25R incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Current Limiting: The device has built-in current limiting functionality, safeguarding against overcurrent conditions.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Wide input voltage range allows for versatile applications.
• Compact package size facilitates easy integration into various circuit designs.
• Built-in protection features enhance reliability and durability.

Disadvantages

• Limited output current capacity (up to 1.5A).
• Dropout voltage may cause power dissipation in certain applications.

Working Principles

LD29150PT25R utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a constant output voltage of 2.5V. The device continuously monitors the input voltage, making necessary adjustments to compensate for any variations and ensure stable regulation.

Detailed Application Field Plans

LD29150PT25R finds application in various electronic systems that require precise voltage regulation. Some common application fields include:

1. Power Supplies: LD29150PT25R can be used in power supply circuits to provide stable voltage to sensitive components.
2. Embedded Systems: It is suitable for regulating voltage in microcontroller-based embedded systems.
3. Consumer Electronics: LD29150PT25R can be employed in devices such as smartphones, tablets, and portable audio players to maintain consistent power delivery.
4. Automotive Electronics: It finds use in automotive applications, ensuring reliable voltage regulation in vehicle systems.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with a wide input voltage range.
2. LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications.
3. LM1117: A series of low dropout voltage regulators available in various fixed output voltages.

These alternative models offer similar functionality to LD29150PT25R and can be considered based on specific application requirements.

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