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LM2825N-5.0
Product Overview
Category
LM2825N-5.0 belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- LM2825N-5.0 is a low dropout (LDO) linear voltage regulator.
- It has a fixed output voltage of 5.0V.
- The device operates with an input voltage range of 6.5V to 26V.
- It provides a maximum output current of 500mA.
- LM2825N-5.0 offers excellent line and load regulation.
- It features thermal shutdown and current limit protection.
Package
LM2825N-5.0 is available in a TO-220 package.
Essence
The essence of LM2825N-5.0 lies in its ability to provide a stable and regulated output voltage of 5.0V, even when the input voltage varies.
Packaging/Quantity
LM2825N-5.0 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.
Specifications
- Input Voltage Range: 6.5V - 26V
- Output Voltage: 5.0V
- Maximum Output Current: 500mA
- Dropout Voltage: 0.5V (typical)
- Line Regulation: ±0.05% (typical)
- Load Regulation: ±0.1% (typical)
- Quiescent Current: 75µA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
LM2825N-5.0 has three pins:
- Vin (Pin 1): Input voltage pin.
- Vout (Pin 2): Output voltage pin.
- GND (Pin 3): Ground pin.
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- Excellent line and load regulation provide stable output voltage under varying conditions.
- Thermal shutdown protection prevents the device from overheating.
- Current limit protection safeguards against excessive current draw.
Advantages and Disadvantages
Advantages
- Stable and regulated output voltage.
- Wide input voltage range.
- Low dropout voltage.
- Excellent line and load regulation.
- Thermal and current limit protection.
Disadvantages
- Limited maximum output current of 500mA.
- Requires external capacitors for stability.
Working Principles
LM2825N-5.0 operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage despite variations in the input voltage.
Detailed Application Field Plans
LM2825N-5.0 finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LM2825N-5.0 include: - LM1117-5.0 - LT1761-5.0 - MCP1700-500
These alternatives can be considered based on specific requirements and availability.
In conclusion, LM2825N-5.0 is a low dropout linear voltage regulator that provides a stable 5.0V output voltage. With its excellent line and load regulation, thermal and current limit protection, it is suitable for various applications in the electronics industry.
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM2825N-5.0 trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LM2825N-5.0 in technical solutions:
Q: What is LM2825N-5.0? A: LM2825N-5.0 is a voltage regulator IC that provides a fixed output voltage of 5.0V.
Q: What is the input voltage range for LM2825N-5.0? A: The input voltage range for LM2825N-5.0 is typically between 6V and 40V.
Q: What is the maximum output current of LM2825N-5.0? A: The maximum output current of LM2825N-5.0 is 500mA.
Q: Can LM2825N-5.0 be used to power microcontrollers and other digital ICs? A: Yes, LM2825N-5.0 can be used to power various digital ICs including microcontrollers, sensors, and other low-power devices.
Q: Is LM2825N-5.0 suitable for battery-powered applications? A: Yes, LM2825N-5.0 is suitable for battery-powered applications as it has low quiescent current and high efficiency.
Q: Does LM2825N-5.0 require any external components for operation? A: Yes, LM2825N-5.0 requires a few external components such as input and output capacitors for stability and filtering.
Q: Can LM2825N-5.0 handle input voltage fluctuations? A: Yes, LM2825N-5.0 has built-in protection features like thermal shutdown and overcurrent protection to handle input voltage fluctuations.
Q: Can LM2825N-5.0 be used in automotive applications? A: Yes, LM2825N-5.0 can be used in automotive applications as it is designed to operate in a wide temperature range and has built-in protection against voltage transients.
Q: What is the typical dropout voltage of LM2825N-5.0? A: The typical dropout voltage of LM2825N-5.0 is around 300mV at full load.
Q: Are there any application notes or reference designs available for LM2825N-5.0? A: Yes, the manufacturer of LM2825N-5.0 provides application notes and reference designs that can help in designing with this IC.