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LD1084V18
Product Overview
Category
LD1084V18 belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- LD1084V18 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.
- LD1084V18 exhibits excellent line and load regulation characteristics.
- It provides thermal shutdown protection to prevent overheating.
Package
The LD1084V18 comes in a compact TO-220 package, which facilitates easy integration into various circuit designs.
Essence
The essence of LD1084V18 lies in its ability to provide precise and reliable voltage regulation, ensuring optimal performance of electronic devices.
Packaging/Quantity
The LD1084V18 is typically packaged individually and is available in various quantities depending on the supplier or manufacturer.
Specifications
- Input Voltage Range: 4.5V - 20V
- Output Voltage: 1.8V
- Dropout Voltage: 1.3V (typical)
- Maximum Output Current: 5A
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD1084V18 has three pins:
- VIN (Pin 1): This pin is used to connect the input voltage.
- VOUT (Pin 2): This pin provides the regulated output voltage.
- GND (Pin 3): This pin is connected to the ground reference.
Functional Features
- Low Dropout Voltage: LD1084V18 maintains a low dropout voltage, ensuring efficient voltage 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, providing stable and reliable performance.
- Thermal Shutdown Protection: LD1084V18 incorporates thermal shutdown protection, preventing damage due to excessive heat.
- Wide Input Voltage Range: It can operate within a wide range of input voltages, making it versatile for various applications.
Advantages and Disadvantages
Advantages
- Precise and stable voltage regulation
- Low dropout voltage
- Wide input voltage range
- Thermal shutdown protection
Disadvantages
- Limited output current capacity (maximum 5A)
- Requires external components for proper operation
Working Principles
The LD1084V18 operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, LD1084V18 ensures a stable output voltage regardless of variations in the input voltage or load conditions.
Detailed Application Field Plans
LD1084V18 finds extensive application in various electronic devices and systems, including but not limited to: - Power supplies - Battery charging circuits - Audio amplifiers - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LD1084V18 include: - LM317: A popular adjustable voltage regulator with a wide range of output voltage options. - LT1084: A high-performance linear regulator with low dropout voltage and high output current capability. - LDO50V: A low dropout voltage regulator designed for high-voltage applications.
These alternative models can be considered based on specific requirements and design constraints.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD1084V18 in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LD1084V18 in technical solutions:
Q: What is LD1084V18? A: LD1084V18 is a voltage regulator IC that provides a fixed output voltage of 1.8V.
Q: What is the maximum input voltage for LD1084V18? A: The maximum input voltage for LD1084V18 is typically around 26V.
Q: What is the output current capability of LD1084V18? A: LD1084V18 can provide an output current of up to 5A.
Q: Can LD1084V18 be used as a step-down (buck) converter? A: Yes, LD1084V18 can be used as a step-down converter to lower the input voltage to a desired output voltage.
Q: Is LD1084V18 suitable for low-power applications? A: No, LD1084V18 is designed for medium to high power applications due to its high output current capability.
Q: Does LD1084V18 require any external components for operation? A: Yes, LD1084V18 requires input and output capacitors for stability and proper operation.
Q: Can LD1084V18 handle overcurrent or short-circuit conditions? A: Yes, LD1084V18 has built-in protection features like thermal shutdown and current limiting to protect against overcurrent and short-circuit conditions.
Q: What is the typical dropout voltage of LD1084V18? A: The typical dropout voltage of LD1084V18 is around 1.5V at full load.
Q: Can LD1084V18 operate in a wide temperature range? A: Yes, LD1084V18 is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Is LD1084V18 available in different package options? A: Yes, LD1084V18 is available in various package options like TO-220, TO-263, and DDPAK for different mounting requirements.
Please note that the answers provided here are general and may vary based on specific datasheet specifications and application requirements.