有關產品詳細信息，請參閱規格。
L78IRD2A25DL
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High efficiency, low dropout voltage, adjustable output voltage, thermal shutdown protection
- Package: TO-220
- Essence: This IC is a voltage regulator that provides a stable output voltage for various electronic devices.
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 1.2V to 26V
- Output Current: Up to 2.5A
- Dropout Voltage: 1.2V (typical)
- Quiescent Current: 75µA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L78IRD2A25DL has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- ADJ: Adjustable pin for setting the output voltage
Functional Features
- High efficiency: The L78IRD2A25DL offers high efficiency, minimizing power dissipation and maximizing battery life.
- Low dropout voltage: With a low dropout voltage of 1.2V, this voltage regulator can operate even when the input voltage is close to the desired output voltage.
- Adjustable output voltage: The ADJ pin allows users to set the desired output voltage within the specified range.
- Thermal shutdown protection: The IC includes built-in thermal shutdown protection, preventing damage due to excessive heat.
Advantages and Disadvantages
Advantages: - High efficiency design - Wide input voltage range - Adjustable output voltage - Thermal shutdown protection
Disadvantages: - Limited output current capacity (up to 2.5A)
Working Principles
The L78IRD2A25DL is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The L78IRD2A25DL can be used in various applications, including but not limited to: - Power supplies for consumer electronics - Battery-powered devices - Industrial control systems - Automotive electronics - Telecommunications equipment
Detailed and Complete Alternative Models
- L78IRD2A33DL: Similar to L78IRD2A25DL, but with an output voltage range of 1.2V to 33V.
- L78IRD2A15DL: Similar to L78IRD2A25DL, but with an output voltage range of 1.2V to 15V.
- L78IRD2A50DL: Similar to L78IRD2A25DL, but with an output voltage range of 1.2V to 50V.
These alternative models provide flexibility in choosing the desired output voltage range for specific applications.
In conclusion, the L78IRD2A25DL is a versatile voltage regulator IC with high efficiency, adjustable output voltage, and thermal shutdown protection. Its wide input voltage range and compact TO-220 package make it suitable for various electronic applications.
10個與L78IRD2A25DL在技術方案中應用相關的常見問題與解答
Sure! Here are 10 common questions and answers related to the application of L78IRD2A25DL in technical solutions:
Q: What is L78IRD2A25DL? A: L78IRD2A25DL is a specific model of voltage regulator IC (integrated circuit) manufactured by a particular company.
Q: What is the purpose of L78IRD2A25DL? A: The purpose of L78IRD2A25DL is to regulate and stabilize voltage levels in electronic circuits, ensuring a consistent power supply.
Q: What are the key features of L78IRD2A25DL? A: Some key features of L78IRD2A25DL include high efficiency, low dropout voltage, thermal shutdown protection, and overcurrent protection.
Q: What is the input voltage range for L78IRD2A25DL? A: The input voltage range for L78IRD2A25DL typically varies from 4.5V to 28V.
Q: What is the output voltage range for L78IRD2A25DL? A: The output voltage range for L78IRD2A25DL is fixed at 2.5V.
Q: What is the maximum current that L78IRD2A25DL can handle? A: L78IRD2A25DL can handle a maximum current of 2A.
Q: Can L78IRD2A25DL be used in battery-powered applications? A: Yes, L78IRD2A25DL can be used in battery-powered applications as it has a low dropout voltage, making it suitable for low voltage conditions.
Q: Does L78IRD2A25DL require any external components for operation? A: Yes, L78IRD2A25DL requires a few external components such as capacitors and resistors for proper operation and stability.
Q: Is L78IRD2A25DL suitable for automotive applications? A: Yes, L78IRD2A25DL is designed to meet automotive specifications and can be used in various automotive applications.
Q: Are there any recommended thermal management techniques for L78IRD2A25DL? A: Yes, it is recommended to use appropriate heat sinks or thermal pads to dissipate heat generated by L78IRD2A25DL, especially when operating at higher currents or in high-temperature environments.
Please note that the specific details and answers may vary depending on the manufacturer's datasheet and application requirements.