LM2574-5.0YN
Product Overview
Category
The LM2574-5.0YN belongs to the category of voltage regulators.
Use
It is commonly used to regulate voltage in various electronic circuits and power supply applications.
Characteristics
- Input Voltage Range: 4.75V to 40V
- Output Voltage: 5V
- Maximum Output Current: 0.5A
- Low Standby Current
- Thermal Shutdown Protection
Package
The LM2574-5.0YN is available in a TO-220 package, which provides efficient heat dissipation.
Essence
This voltage regulator is essential for maintaining a stable and reliable power supply in electronic devices.
Packaging/Quantity
The LM2574-5.0YN is typically packaged in reels or tubes, with varying quantities based on the manufacturer's specifications.
Specifications
- Input Voltage Range: 4.75V to 40V
- Output Voltage: 5V
- Output Current: 0.5A
- Dropout Voltage: 1.2V
- Operating Temperature Range: -40°C to 125°C
- Package Type: TO-220
Detailed Pin Configuration
The LM2574-5.0YN has the following pin configuration: 1. Vin (Input Voltage) 2. GND (Ground) 3. Vout (Output Voltage)
Functional Features
- Efficient Voltage Regulation
- Low Standby Current
- Thermal Shutdown Protection
- Wide Input Voltage Range
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications
- Low standby current minimizes power consumption
- Thermal shutdown protection enhances safety and reliability
Disadvantages
- Limited maximum output current may not be suitable for high-power applications
Working Principles
The LM2574-5.0YN operates by using a feedback mechanism to adjust the output voltage based on the input and desired output levels. It utilizes an internal oscillator and control circuitry to maintain a stable 5V output even with variations in the input voltage.
Detailed Application Field Plans
The LM2574-5.0YN is widely used in various applications, including: - Battery-powered devices - Automotive electronics - Industrial control systems - LED lighting - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the LM2574-5.0YN include: - LM7805 - LM2940 - LM317 - LM1117
In conclusion, the LM2574-5.0YN is a versatile voltage regulator with a wide input voltage range, making it suitable for diverse electronic applications. Its compact TO-220 package and efficient thermal characteristics further enhance its appeal in the design and implementation of power supply solutions.
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Question: What is the input voltage range for LM2574-5.0YN?
Answer: The LM2574-5.0YN can accept an input voltage range from 4.75V to 40V.Question: What is the output voltage of LM2574-5.0YN?
Answer: The output voltage of LM2574-5.0YN is fixed at 5.0V.Question: What is the maximum output current of LM2574-5.0YN?
Answer: The maximum output current of LM2574-5.0YN is 0.5A.Question: Can LM2574-5.0YN be used in automotive applications?
Answer: Yes, LM2574-5.0YN is suitable for automotive applications due to its wide input voltage range and robust design.Question: Is an external diode required for LM2574-5.0YN?
Answer: No, LM2574-5.0YN has an integrated Schottky diode, so no external diode is needed.Question: What is the typical efficiency of LM2574-5.0YN?
Answer: The typical efficiency of LM2574-5.0YN is around 80-90% depending on the input and output conditions.Question: Can LM2574-5.0YN be used in a step-down (buck) converter configuration?
Answer: Yes, LM2574-5.0YN is designed as a step-down (buck) converter and is commonly used in this configuration.Question: What are the recommended input and output capacitors for LM2574-5.0YN?
Answer: It is recommended to use a 100µF aluminum electrolytic capacitor at the input and a 22µF tantalum or aluminum electrolytic capacitor at the output.Question: Can LM2574-5.0YN operate without a heat sink?
Answer: LM2574-5.0YN can operate without a heat sink for most applications, but it is advisable to evaluate thermal requirements based on the specific operating conditions.Question: Is there a minimum load requirement for LM2574-5.0YN?
Answer: No, LM2574-5.0YN does not have a minimum load requirement and can operate with no load without issues.