E-L4971D
Product Overview
Category
E-L4971D belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- High output current capability
- Low dropout voltage
- Internal thermal shutdown
- Output transistor safe area protection
- Short-circuit protection
- Adjustable output voltage
Package
E-L4971D comes in a TO-220 package.
Essence
The essence of E-L4971D lies in its ability to provide stable and regulated voltage to electronic devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 50 units per reel/tube.
Specifications
- Input voltage range: 4.75V to 40V
- Output voltage range: 2.5V to 37V
- Output current: Up to 1.5A
- Dropout voltage: 1.2V (typical)
- Operating temperature range: -40°C to +125°C
Detailed Pin Configuration
E-L4971D has the following pin configuration:
- GND (Ground)
- Vout (Output Voltage)
- Vin (Input Voltage)
Functional Features
- High Output Current Capability: The E-L4971D can deliver up to 1.5A of output current, making it suitable for a wide range of applications.
- Low Dropout Voltage: With a low dropout voltage of only 1.2V, this voltage regulator minimizes power dissipation and improves efficiency.
- Internal Thermal Shutdown: The device includes internal thermal shutdown protection, which prevents overheating and ensures safe operation.
- Output Transistor Safe Area Protection: E-L4971D incorporates safe area protection for the output transistor, enhancing reliability and preventing damage under fault conditions.
- Short-Circuit Protection: It features built-in short-circuit protection, safeguarding the regulator and the connected circuitry from damage in case of a short circuit.
- Adjustable Output Voltage: The output voltage can be adjusted within a wide range (2.5V to 37V) using external resistors.
Advantages and Disadvantages
Advantages
- High output current capability allows for versatile applications.
- Low dropout voltage minimizes power dissipation.
- Internal thermal shutdown protects against overheating.
- Safe area protection enhances reliability.
- Short-circuit protection prevents damage during faults.
- Adjustable output voltage provides flexibility.
Disadvantages
- Limited input voltage range (4.75V to 40V).
- Dropout voltage of 1.2V may not be suitable for ultra-low power applications.
Working Principles
E-L4971D operates as a linear voltage regulator. It regulates the output voltage by comparing it with a reference voltage and adjusting the pass transistor accordingly. The internal circuitry ensures that the output voltage remains stable even when the input voltage or load conditions vary.
Detailed Application Field Plans
E-L4971D finds applications in various fields, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Telecommunications equipment - Audio amplifiers - Battery charging circuits
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to E-L4971D are: - LM317 - LM7805 - LT1083 - LM1117 - L78xx series
These alternatives can be considered based on specific requirements and compatibility with the application.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi E-L4971D dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of E-L4971D in technical solutions:
Q1: What is E-L4971D? A1: E-L4971D is a high-voltage, high-current power transistor designed for use in various applications such as switching regulators, motor control circuits, and audio amplifiers.
Q2: What is the maximum voltage rating of E-L4971D? A2: The maximum voltage rating of E-L4971D is typically around 150V.
Q3: What is the maximum current rating of E-L4971D? A3: The maximum current rating of E-L4971D is typically around 10A.
Q4: How can I use E-L4971D in a switching regulator circuit? A4: E-L4971D can be used as a power switch in a switching regulator circuit to efficiently convert input voltage to a regulated output voltage. It requires appropriate control circuitry and feedback mechanism to achieve desired regulation.
Q5: Can E-L4971D be used in motor control applications? A5: Yes, E-L4971D can be used in motor control circuits to drive high-power motors. It can handle high currents and provide efficient control over motor speed and direction.
Q6: Is E-L4971D suitable for audio amplifier designs? A6: Yes, E-L4971D can be used in audio amplifier designs to deliver high-quality audio output. Its high-current capability makes it suitable for driving speakers.
Q7: Does E-L4971D require any external components for operation? A7: Yes, E-L4971D requires external components such as capacitors, resistors, and inductors to form complete circuits like switching regulators or amplifiers. The specific component values depend on the application requirements.
Q8: What are the thermal considerations for E-L4971D? A8: E-L4971D generates heat during operation, so proper heat sinking is necessary to ensure its temperature stays within safe limits. Thermal pads and heatsinks can be used to dissipate heat effectively.
Q9: Can E-L4971D handle short-circuit conditions? A9: Yes, E-L4971D has built-in protection features that allow it to withstand short-circuit conditions for a limited duration. However, prolonged short circuits can damage the device.
Q10: Where can I find more information about using E-L4971D in technical solutions? A10: You can refer to the datasheet and application notes provided by the manufacturer of E-L4971D. These documents contain detailed information on circuit design, component selection, and application guidelines.
Please note that the answers provided here are general and may vary depending on specific application requirements and manufacturer specifications.