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L4941BDT-TR

Name: L4941BDT-TR
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 1A DPAK

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資料表 L4941BDT-TR DataSheet
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規格

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

概述

Description

The L4941BDT-TR is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage with minimal input-output voltage differential. It is commonly used in various electronic applications requiring a dependable power supply, such as microcontrollers, sensors, and other integrated circuits.
Key features of the L4941BDT-TR include a typical output current capability of up to 1A, a low dropout voltage (typically around 0.5V), and the ability to operate over a wide input voltage range. Additionally, it includes built-in protection features like short-circuit protection and thermal shutdown for enhanced reliability.
The device is packaged in a compact DPAK (TO-252) format, making it suitable for space-constrained applications. It is particularly valued for its efficiency and performance in battery-powered devices, ensuring longer operation times. Overall, the L4941BDT-TR is an excellent choice for engineers seeking a reliable LDO regulator solution in their designs.

Features

The L4941BDT-TR is a linear voltage regulator designed to provide a stable output voltage with excellent load and line regulation. Key features include:
1. Input Voltage Range: Supports input voltages up to 40V.
2. Output Voltage: Fixed output voltage of 5V.
3. Output Current: Capable of delivering up to 1A of output current.
4. Low Dropout Voltage: Features low dropout voltage, making it suitable for battery-powered applications.
5. Thermal Protection: Includes thermal shutdown to prevent overheating.
6. Short-Circuit Protection: Equipped with short-circuit protection to safeguard the device and connected loads.
7. Compact Package: Available in a small DPAK package for space-saving designs.
8. High Efficiency: Offers high efficiency at low output currents.
These features make the L4941BDT-TR ideal for various applications, including consumer electronics, automotive, and industrial systems where reliable voltage regulation is crucial.

Package

The L4941BDT-TR is packaged in a DPAK (TO-252) format, which is a surface-mount package commonly used for power management applications. It features a robust design suitable for thermal performance and space-efficient PCB layouts.

Pinout

The L4941BDT-TR is a voltage regulator integrated circuit (IC) with a pin count of 5. Its primary function is to provide a stable output voltage, typically 5V, and it features several important functions, including overcurrent protection and thermal shutdown.
The pin configuration is as follows:
1. Input (Vin): This pin receives the input voltage.
2. Ground (GND): This pin connects to the ground reference.
3. Output (Vout): This pin provides the regulated output voltage.
4. Adjustment (Adj): This pin allows for output voltage adjustment.
5. Enable (EN): This pin is used to enable or disable the output.
The L4941BDT-TR is designed for applications requiring a reliable power supply with features that enhance its robustness and operational reliability.

Manufacturer

The L4941BDT-TR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in the design, development, and production of a wide range of semiconductor products, including analog, digital, and mixed-signal devices. The company serves various markets, including automotive, industrial, personal electronics, and communications. STMicroelectronics is known for its innovation and commitment to advancing technology in areas such as energy efficiency, connectivity, and smart manufacturing.

Application

The L4941BDT-TR is a linear voltage regulator commonly used in applications such as power supply circuits, automotive electronics, industrial equipment, and telecommunications. It provides a stable output voltage, low dropout voltage, and high current capability, making it suitable for battery-operated devices, consumer electronics, and embedded systems requiring reliable power management.

Equivalent

The L4941BDT-TR is a low-dropout voltage regulator. Equivalent products include the LM1117, MIC5205, and LP2985. These alternatives provide similar functionalities in voltage regulation, low dropout voltage, and are suitable for similar applications. Always verify specifications like output voltage, maximum current, and package type when selecting an equivalent part.