LD1084V12

Product Overview

Category: Voltage Regulator
Use: LD1084V12 is a low-dropout voltage regulator designed to provide a regulated output voltage of 12V with a maximum current of 5A.
Characteristics: It offers low dropout voltage, high accuracy, and excellent line and load regulation. The device operates within a wide input voltage range and is suitable for various applications.
Package: LD1084V12 comes in a TO-220 package, which provides efficient heat dissipation and easy mounting on a PCB.
Essence: The essence of LD1084V12 lies in its ability to regulate the output voltage to a stable 12V, even when the input voltage fluctuates or the load changes.
Packaging/Quantity: LD1084V12 is typically sold in reels or tubes containing a specified quantity of units.

Specifications

Input Voltage Range: 3.5V to 30V
Output Voltage: 12V
Maximum Output Current: 5A
Dropout Voltage: 1.5V (typical)
Line Regulation: ±0.2% (typical)
Load Regulation: ±0.4% (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LD1084V12 has three pins:

Input Pin (VIN): This pin is connected to the input voltage source.
Output Pin (VOUT): This pin provides the regulated output voltage of 12V.
Ground Pin (GND): This pin is connected to the ground reference.

Functional Features

Low Dropout Voltage: LD1084V12 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
High Accuracy: The device offers high accuracy in maintaining the output voltage at 12V, providing stability and reliability to the connected circuitry.
Excellent Line and Load Regulation: LD1084V12 demonstrates excellent line and load regulation characteristics, minimizing the impact of input voltage fluctuations and load changes on the output voltage.
Wide Input Voltage Range: The regulator can operate within a wide input voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Stable and accurate output voltage regulation - Low dropout voltage - Wide input voltage range - Excellent line and load regulation

Disadvantages: - Limited maximum output current (5A) - Requires proper heat dissipation due to TO-220 package

Working Principles

LD1084V12 utilizes a voltage reference, error amplifier, pass transistor, and feedback mechanism to regulate the output voltage. The voltage reference compares the output voltage with a fixed reference voltage (12V) and generates an error signal. The error amplifier amplifies this signal and drives the pass transistor to adjust its resistance, ensuring the output voltage remains at the desired level.

Detailed Application Field Plans

LD1084V12 finds applications in various fields, including but not limited to: - Power supply circuits - Battery charging systems - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

LM317: A popular adjustable voltage regulator capable of providing a wide range of output voltages.
LT1084: Similar to LD1084V12, but with a higher maximum output current of 7.5A.
LM7805: A fixed 5V voltage regulator commonly used in low-power applications.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LD1084V12 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LD1084V12 in technical solutions:

Q: What is LD1084V12? A: LD1084V12 is a voltage regulator IC that provides a fixed output voltage of 12V.
Q: What is the maximum input voltage supported by LD1084V12? A: The maximum input voltage supported by LD1084V12 is typically around 26V.
Q: Can LD1084V12 handle high current loads? A: Yes, LD1084V12 can handle high current loads up to 5A.
Q: How does LD1084V12 regulate the output voltage? A: LD1084V12 uses a feedback mechanism to maintain a constant output voltage regardless of changes in input voltage or load conditions.
Q: Is LD1084V12 suitable for both AC and DC applications? A: Yes, LD1084V12 can be used in both AC and DC applications.
Q: Does LD1084V12 require any external components for operation? A: Yes, LD1084V12 requires a few external components such as capacitors and resistors for proper operation and stability.
Q: Can LD1084V12 be used in automotive applications? A: Yes, LD1084V12 is suitable for automotive applications as it can withstand a wide range of operating temperatures.
Q: What is the dropout voltage of LD1084V12? A: The typical dropout voltage of LD1084V12 is around 1.5V.
Q: Can LD1084V12 be used in battery-powered devices? A: Yes, LD1084V12 can be used in battery-powered devices as it has low quiescent current and low dropout voltage.
Q: Are there any recommended heat dissipation techniques for LD1084V12? A: Yes, LD1084V12 may require a heatsink or proper PCB layout to dissipate heat effectively, especially when operating at high currents.

Please note that the answers provided here are general and may vary depending on specific application requirements. It is always recommended to refer to the manufacturer's datasheet and guidelines for accurate information.