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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.
Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням LM2825N-5.0 у технічних рішеннях
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.