L4941BV

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L4941BV

+BOM

IC REG LINEAR 5V 1A TO220

  • Nhà sản xuấtSTMicroelectronics

  • Ông. Phần #L4941BV

  • Có sẵn9314

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 5V
VoltageDropout(Max) 0.7V @ 1A
Current-Output 1A
Current-Quiescent(Iq) 8 mA
PSRR 68dB (120Hz)
ProtectionFeatures Over Temperature, Reverse Polarity, Short Circuit
OperatingTemperature -40°C ~ 150°C
MountingType Through Hole
Package/Case TO-220-3
SupplierDevicePackage TO-220
BaseProductNumber L4941
Current-Supply(Max) 40 mA

Tổng quan

Description

The L4941BV is a linear voltage regulator designed for automotive and industrial applications. It provides a stable output voltage of 5V, with a maximum output current of 1A. The device features low dropout voltage, making it efficient even in low input-output voltage differentials. It incorporates internal short-circuit protection, thermal shutdown, and overcurrent protection, enhancing reliability and safety.
The L4941BV operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for harsh environments. Its compact package allows for easy integration into various electronic circuits. Additionally, it can accept a wide input voltage range, accommodating fluctuations in power supply.
The regulator also supports low power consumption in standby mode, which is advantageous for battery-powered devices. Overall, the L4941BV is a robust solution for providing regulated voltage in demanding applications, ensuring stable performance under varying operational conditions.

Equivalent

The L4941BV is a voltage regulator, and its equivalent products include the LM7805, LM317, and LM1084. Other similar options are the LT1084 and LM1117 depending on specific voltage and current requirements. For drop-out voltage, alternatives could include the TPS7A series. Always check datasheets for compatibility with your application.

Features

The L4941BV is a low-dropout voltage regulator designed for a variety of applications. Key features include:
1. Output Voltage: Fixed or adjustable output voltage options, typically around 5V.
2. Low Dropout Voltage: Ensures efficient operation with minimal input-output voltage difference, allowing it to operate effectively with low supply voltages.
3. Current Output: Provides a maximum output current typically around 1A, making it suitable for powering various devices.
4. Thermal Protection: Integrated thermal shutdown feature protects the device from overheating.
5. Short Circuit Protection: Ensures reliability by preventing damage during short conditions.
6. Wide Input Voltage Range: Accepts a broad range of input voltages, increasing versatility.
7. Low Quiescent Current: Enhances efficiency, especially in battery-operated applications.
8. Compatibility: Can be used in various circuits, including analog and digital devices.
These features make the L4941BV a robust choice for applications requiring stable and regulated power supply.

Pinout

The L4941BV is a linear voltage regulator with a pin count of 5. Its primary functions include providing a stable output voltage, typically 5V, with a maximum output current of up to 1A.
Here are the pin functions:
1. Input (Vin): This pin is where the unregulated input voltage is supplied.
2. Output (Vout): This pin outputs the regulated voltage.
3. Ground (GND): This pin is the common ground reference for the circuit.
4. Adjust (Adj): This pin is used for voltage adjustment if necessary, allowing custom output voltage settings.
5. Thermal Protection (Thermal): Provides thermal overload protection to prevent damage due to overheating.
The L4941BV is designed for applications requiring a reliable power supply with minimal noise and good transient response.

Manufacturer

The L4941BV is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in developing and providing a wide range of semiconductor products, including microcontrollers, sensors, and integrated circuits for various applications such as automotive, industrial, consumer electronics, and communication. Founded in 1987, the company is headquartered in Geneva, Switzerland, and operates globally, focusing on innovation and sustainable technologies. STMicroelectronics is known for its commitment to quality, reliability, and performance in the semiconductor industry, serving customers across diverse sectors with tailored solutions.

Application

The L4941BV is a linear voltage regulator primarily used in various applications requiring stable voltage supply. Its main application areas include:
1. Consumer Electronics: Power supply for devices like TVs, audio systems, and gaming consoles.
2. Industrial Equipment: Regulating voltage in control systems and machinery.
3. Telecommunications: Powering equipment like routers and switches.
4. Automotive: Supplying voltage to electronic components in vehicles.
5. Embedded Systems: Used in microcontrollers and sensors for consistent voltage.
Overall, it is ideal for applications needing low dropout voltage and high accuracy.

Package

The L4941BV is typically packaged in a TO-220 or DPAK (SMD) package. These packages are designed for efficient thermal management and ease of integration into electronic circuits.

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