L7808ABD2T-TR

Product Overview

Use

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

Characteristics

Input Voltage Range: 10V to 35V
Output Voltage: 8V
Maximum Output Current: 1.5A
Dropout Voltage: 2V
Operating Temperature Range: -40°C to +125°C
Package Type: D2PAK
Essence: Linear voltage regulator

Packaging/Quantity

The L7808ABD2T-TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

Input Voltage Range: 10V to 35V
Output Voltage: 8V
Output Current: Up to 1.5A
Dropout Voltage: 2V (maximum)
Line Regulation: ±0.04% (typical)
Load Regulation: ±0.3% (typical)
Ripple Rejection Ratio: 62dB (typical)
Quiescent Current: 6mA (typical)
Thermal Shutdown Protection: Yes
Short Circuit Protection: Yes

Pin Configuration

The L7808ABD2T-TR has three pins:

Input Pin (VIN): Connects to the input voltage source.
Ground Pin (GND): Connected to the ground reference.
Output Pin (VOUT): Provides the regulated output voltage.

Functional Features

Regulates and stabilizes the output voltage to a fixed value.
Provides protection against thermal shutdown and short circuits.
Low dropout voltage ensures efficient operation even with low input voltages.
High ripple rejection ratio minimizes noise in the output voltage.
Compact D2PAK package allows for easy integration into electronic circuits.

Advantages

Simple and reliable voltage regulation solution.
Wide input voltage range allows for versatile applications.
High output current capability of up to 1.5A.
Thermal shutdown and short circuit protection enhance safety and reliability.
Low dropout voltage minimizes power dissipation.

Disadvantages

Linear voltage regulators like L7808ABD2T-TR can generate significant heat during operation, requiring proper heat sinking.
Limited output voltage options (fixed at 8V).
Not suitable for applications requiring high efficiency or low power consumption.

Working Principles

The L7808ABD2T-TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The excess voltage is dissipated as heat.

Detailed Application Field Plans

The L7808ABD2T-TR finds applications in various electronic devices and systems, including:

Power supplies for consumer electronics.
Automotive electronics.
Industrial control systems.
Telecommunications equipment.
Medical devices.
Audio amplifiers.

Detailed and Complete Alternative Models

LM7808: Similar specifications and pin configuration, available in different package types.
MC7808: Equivalent performance and features, alternative manufacturer.
UA7808: Comparable characteristics, widely used in various applications.

These alternative models provide similar functionality and can be considered as substitutes for the L7808ABD2T-TR.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L7808ABD2T-TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L7808ABD2T-TR in technical solutions:

Q: What is the L7808ABD2T-TR? A: The L7808ABD2T-TR is a voltage regulator IC that provides a fixed output voltage of 8V.
Q: What is the input voltage range for the L7808ABD2T-TR? A: The input voltage range for this regulator is typically between 10V and 35V.
Q: What is the maximum output current of the L7808ABD2T-TR? A: The maximum output current is 1.5A, which means it can supply up to 1.5 Amps of current to the load.
Q: Can I use the L7808ABD2T-TR to regulate voltages other than 8V? A: No, the L7808ABD2T-TR is specifically designed to provide a fixed output voltage of 8V.
Q: Is the L7808ABD2T-TR suitable for both AC and DC input voltages? A: Yes, the L7808ABD2T-TR can accept both AC and DC input voltages.
Q: Does the L7808ABD2T-TR require any external components for operation? A: Yes, it requires a minimum of two external capacitors (input and output) for stable operation.
Q: What is the typical dropout voltage of the L7808ABD2T-TR? A: The typical dropout voltage is around 2V, meaning the input voltage must be at least 2V higher than the desired output voltage.
Q: Can I use the L7808ABD2T-TR in high-temperature environments? A: Yes, the L7808ABD2T-TR has a maximum operating temperature of 150°C, making it suitable for high-temperature applications.
Q: Is the L7808ABD2T-TR protected against overcurrent and overheating? A: Yes, it has built-in protection features such as thermal shutdown and current limiting to protect against overcurrent and overheating.
Q: What are some common applications for the L7808ABD2T-TR? A: The L7808ABD2T-TR is commonly used in various electronic devices and circuits that require a stable 8V power supply, such as audio amplifiers, motor drivers, and industrial control systems.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.