L4938ND
Product Overview
Category
The L4938ND belongs to the category of voltage regulators.
Use
It is used to regulate voltage in electronic circuits and devices.
Characteristics
- Input Voltage Range: 4.4V to 40V
- Output Current: 2A
- Low Dropout Voltage: 0.5V
- Thermal Shutdown
- Overcurrent Protection
Package
The L4938ND comes in a TO-220 package.
Essence
The essence of the L4938ND lies in its ability to provide stable voltage regulation for various electronic applications.
Packaging/Quantity
The L4938ND is typically packaged in reels and available in quantities suitable for mass production.
Specifications
- Input Voltage Range: 4.4V to 40V
- Output Voltage Range: 1.25V to 37V
- Output Current: 2A
- Dropout Voltage: 0.5V
- Operating Temperature Range: -40°C to 125°C
- Package Type: TO-220
Detailed Pin Configuration
The L4938ND has a standard TO-220 pin configuration with input, output, ground, and control pins clearly labeled for easy integration into circuit designs.
Functional Features
- Voltage Regulation
- Overcurrent Protection
- Thermal Shutdown
- Short-Circuit Protection
Advantages and Disadvantages
Advantages
- Wide Input Voltage Range
- Low Dropout Voltage
- Overcurrent and Thermal Protection
- Suitable for Various Electronic Applications
Disadvantages
- Higher Cost Compared to Basic Regulators
- Larger Package Size
Working Principles
The L4938ND operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output voltage despite variations in input voltage and load conditions. It incorporates protection features to ensure safe operation under different scenarios.
Detailed Application Field Plans
The L4938ND is well-suited for use in: - Automotive Electronics - Industrial Control Systems - Power Supplies - Battery Charging Circuits
Detailed and Complete Alternative Models
Some alternative models to the L4938ND include: - LM317 - LM7805 - LT1083
In conclusion, the L4938ND is a versatile voltage regulator with a wide input voltage range, making it suitable for various electronic applications. Its robust features and protections make it an ideal choice for demanding environments such as automotive and industrial applications.
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What is the L4938ND?
- The L4938ND is a voltage regulator IC designed for use in various technical solutions to provide stable and regulated power supply.
What is the input voltage range of the L4938ND?
- The input voltage range of the L4938ND is typically between 7V and 35V, making it suitable for a wide range of applications.
What is the output voltage range of the L4938ND?
- The L4938ND can provide a regulated output voltage ranging from 2.5V to 28V, making it versatile for different voltage requirements.
What is the maximum output current of the L4938ND?
- The L4938ND can handle a maximum output current of up to 1.5A, making it suitable for powering various electronic components and circuits.
What are the key features of the L4938ND?
- The L4938ND features include thermal shutdown, short-circuit protection, and overvoltage protection, ensuring reliable and safe operation.
What are the typical applications of the L4938ND?
- The L4938ND is commonly used in automotive electronics, industrial control systems, and consumer electronics for voltage regulation and power management.
How does the thermal shutdown feature work in the L4938ND?
- The thermal shutdown feature in the L4938ND protects the IC from overheating by shutting down the output when the temperature exceeds a certain threshold, preventing damage.
Can the L4938ND be used in battery-powered applications?
- Yes, the L4938ND can be used in battery-powered applications due to its low dropout voltage and efficient power management capabilities.
Does the L4938ND require external components for operation?
- The L4938ND requires minimal external components for operation, making it easy to integrate into various technical solutions.
Is the L4938ND available in different package types?
- Yes, the L4938ND is available in various package types, including TO-220 and DPAK, offering flexibility for different PCB layouts and space constraints.