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L4941BDT-TR
+BOMIC REG LINEAR 5V 1A DPAK
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ManufacturerSTMicroelectronics
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Mfr. Part #L4941BDT-TR
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In Stock4859
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Specifications
| Attribute | Value |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min / Fixed) | 5V |
| Voltage Dropout (Max) | 0.7V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 8 mA |
| PSRR | 68dB (120Hz) |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 150°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Supplier Device Package | DPAK |
| Base Product Number | L4941 |
| Current - Supply (Max) | 40 mA |
Overview
Description
The L4941BDT-TR is a linear voltage regulator designed to provide a stable output voltage with a high level of accuracy and low dropout. It typically offers a fixed output voltage of 5V and can deliver a maximum output current of up to 1A. This device is particularly suitable for applications requiring a reliable power supply, such as consumer electronics, industrial equipment, and telecommunications.
Key features include thermal overload protection, short-circuit protection, and good transient response, ensuring safe and efficient operation. The L4941BDT-TR comes in a compact DPAK package, making it suitable for space-constrained designs. Additionally, it operates across a wide input voltage range, making it versatile for various applications.
Overall, the L4941BDT-TR is an ideal choice for designers needing a dependable linear regulator with robust performance characteristics.
Key features include thermal overload protection, short-circuit protection, and good transient response, ensuring safe and efficient operation. The L4941BDT-TR comes in a compact DPAK package, making it suitable for space-constrained designs. Additionally, it operates across a wide input voltage range, making it versatile for various applications.
Overall, the L4941BDT-TR is an ideal choice for designers needing a dependable linear regulator with robust performance characteristics.
Equivalent
The L4941BDT-TR is a low-dropout voltage regulator. Equivalent products include the LM1084, MIC2941, LM1117 and LP2950. Each has different specifications, so it’s important to compare output voltage, current capabilities, and package types to ensure compatibility with your application. Always verify with manufacturer datasheets for specific requirements and features.
Features
The L4941BDT-TR is a high-performance voltage regulator designed to provide a stable output voltage with low dropout. Key features include:
1. Output Voltage: Typically provides 5V, with adjustable options.
2. Dropout Voltage: Low dropout voltage allows for stable operation even when the input voltage is close to the output voltage.
3. Current Capability: Supports output currents up to 1A, making it suitable for various applications.
4. Thermal Shutdown: Integrated thermal protection prevents overheating.
5. Short-Circuit Protection: Includes current limiting to safeguard against short circuits.
6. Low Quiescent Current: Offers efficient performance, contributing to lower power consumption.
7. Package Type: Available in a compact TO-220 package, facilitating easy integration into designs.
8. Operating Temperature Range: Designed for reliable operation across a broad temperature range.
These features make the L4941BDT-TR ideal for use in consumer electronics, automotive applications, and industrial systems where stable voltage regulation is essential.
1. Output Voltage: Typically provides 5V, with adjustable options.
2. Dropout Voltage: Low dropout voltage allows for stable operation even when the input voltage is close to the output voltage.
3. Current Capability: Supports output currents up to 1A, making it suitable for various applications.
4. Thermal Shutdown: Integrated thermal protection prevents overheating.
5. Short-Circuit Protection: Includes current limiting to safeguard against short circuits.
6. Low Quiescent Current: Offers efficient performance, contributing to lower power consumption.
7. Package Type: Available in a compact TO-220 package, facilitating easy integration into designs.
8. Operating Temperature Range: Designed for reliable operation across a broad temperature range.
These features make the L4941BDT-TR ideal for use in consumer electronics, automotive applications, and industrial systems where stable voltage regulation is essential.
Pinout
The L4941BDT-TR is a voltage regulator with a pin count of 5. Its primary function is to provide a stable output voltage with current limiting and thermal shutdown features. The pin configuration is as follows:
1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Supplies the regulated output voltage.
4. Adjust (ADJ): Used for setting the output voltage in adjustable versions.
5. Enable (EN): Activates or deactivates the regulator.
The L4941BDT-TR is known for its ability to deliver high current loads while ensuring low dropout voltage, making it suitable for applications requiring reliable power management.
1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (VOUT): Supplies the regulated output voltage.
4. Adjust (ADJ): Used for setting the output voltage in adjustable versions.
5. Enable (EN): Activates or deactivates the regulator.
The L4941BDT-TR is known for its ability to deliver high current loads while ensuring low dropout voltage, making it suitable for applications requiring reliable power management.
Manufacturer
The manufacturer of the L4941BDT-TR is STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of products, including integrated circuits, discrete devices, and sensors. Founded in 1987, the company is headquartered in Geneva, Switzerland, and operates in various sectors such as automotive, industrial, personal electronics, and communication. STMicroelectronics is known for its commitment to innovation and sustainability, providing solutions that enable smarter technologies and improved energy efficiency. The L4941BDT-TR is a linear voltage regulator, typically used in power management applications to ensure stable voltage supply in electronic circuits.
Application
The L4941BDT-TR is a low-dropout (LDO) voltage regulator primarily used in power management applications. Its key application areas include:
1. Consumer Electronics: Powering devices such as smartphones, tablets, and laptops.
2. Industrial Equipment: Providing stable voltage in machinery and control systems.
3. Automotive: Supplying power to sensors and microcontrollers in automotive electronics.
4. Telecommunications: Supporting base stations and communication devices.
5. Medical Devices: Ensuring reliable power in portable medical equipment.
Its low dropout voltage and high output current capabilities make it suitable for various sensitive electronic applications.
1. Consumer Electronics: Powering devices such as smartphones, tablets, and laptops.
2. Industrial Equipment: Providing stable voltage in machinery and control systems.
3. Automotive: Supplying power to sensors and microcontrollers in automotive electronics.
4. Telecommunications: Supporting base stations and communication devices.
5. Medical Devices: Ensuring reliable power in portable medical equipment.
Its low dropout voltage and high output current capabilities make it suitable for various sensitive electronic applications.
Package
The L4941BDT-TR is packaged in a DPAK (TO-252) format. This surface-mounted package provides efficient thermal performance and is suitable for various applications, including voltage regulation.
