L4949EDTR-E

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L4949EDTR-E

IC REG LINEAR 5V 100MA 8SO

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배송 준비 24 시간

365 일 보장

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사양

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 28V
Voltage-Output(Min/Fixed) 5V
VoltageDropout(Max) 0.5V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 300 µA
Current-Supply(Max) 5 mA
ControlFeatures Reset
ProtectionFeatures Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

개요

Description

The L4949EDTR-E is a low-dropout (LDO) voltage regulator, designed for automotive applications. It is part of the L4949 series and is produced by STMicroelectronics. Key features of this component include its ability to provide a stable output voltage with low input-to-output differential voltage, making it suitable for systems requiring efficient power management. The L4949EDTR-E offers a wide input voltage range and is typically used in environments that demand high reliability, such as in-car electronic systems.
Notably, the component includes protections against overcurrent and overtemperature, enhancing its robustness. It also features a low quiescent current, which is beneficial for battery-powered applications, helping to extend battery life. The L4949EDTR-E is housed in a TO-252 package, facilitating easy integration into various circuit designs. Its primary applications include automotive battery management, microcontroller power supply, and general-purpose voltage regulation in industrial settings.

Features

The L4949EDTR-E is a low-dropout (LDO) linear voltage regulator designed for various electronic applications. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 5.6V to 31V, making it versatile for different power supply conditions.
2. Output Voltage: Typically provides a fixed output voltage of 5V with a high level of stability and accuracy.
3. Low Dropout Voltage: The device offers a low dropout voltage, which enhances efficiency by allowing the regulator to maintain output regulation with less input-to-output voltage differential.
4. Output Current: It can deliver up to 100mA of output current, suitable for powering small loads.
5. Protection Features: Equipped with several protection mechanisms including thermal shutdown, short circuit protection, and reverse polarity protection to enhance reliability and safety.
6. Low Quiescent Current: It features a low quiescent current, which is beneficial for battery-powered applications to prolong battery life.
7. Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, ensuring performance in various environmental conditions.
These features make the L4949EDTR-E an ideal choice for automotive and industrial applications where reliable voltage regulation is crucial.

Package

The L4949EDTR-E is a low-drop voltage regulator package. It is typically available in a surface-mount package format such as the SO-8 (Small Outline) package, which is common for integrated circuits requiring efficient thermal management and compact design.

Pinout

The L4949EDTR-E is a voltage regulator IC with a specific focus on automotive applications. It is produced by STMicroelectronics. This IC comes in an SO-8 package, which has 8 pins. Here's a brief overview of its pin functions:
1. Pin 1 (IN): Input voltage.
2. Pin 2 (GND): Ground.
3. Pin 3 (EN): Enable; used to turn the regulator on or off.
4. Pin 4 (D1): Reset/Watchdog output; indicates reset or watchdog status.
5. Pin 5 (WO): Watchdog output; related to the watchdog timer function.
6. Pin 6 (RO): Reset output; used for microcontroller reset functionality.
7. Pin 7 (SO): Sense output; connected to an external resistor for voltage adjustment.
8. Pin 8 (OUT): Regulated output voltage.
The L4949EDTR-E provides a stable output voltage, typically used in 5V systems, and offers features like watchdog and reset functionality to monitor microcontroller operation and ensure proper system functionality.

Manufacturer

The L4949EDTR-E is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. They serve various sectors, including automotive, industrial, personal electronics, communications equipment, and the Internet of Things (IoT). The company is known for its innovations in microelectronics and semiconductors, providing solutions that power everyday electronics and advanced technological systems.

Application

The L4949EDTR-E is a voltage regulator commonly used in automotive applications. It is designed for microprocessor systems in vehicles, providing a stable voltage supply essential for reliable performance. Key application areas include power management for automotive electronic control units (ECUs), microprocessor and microcontroller systems, and other automotive electronics requiring a regulated output voltage. Its features, such as low dropout voltage and short-circuit protection, make it suitable for maintaining the necessary voltage levels in varied automotive conditions.

Equivalent

The L4949EDTR-E is a low-dropout voltage regulator with a fixed 5V output primarily used in automotive applications. Equivalent products include:
1. MC33269D-5.0 by ON Semiconductor
2. LM2937ET-5.0 by Texas Instruments
3. MIC29302WT by Microchip Technology
These alternatives offer similar voltage regulation performance and features suitable for automotive and industrial applications. Always check the datasheets for compatibility in terms of electrical characteristics and pin configurations before substituting.

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DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.

FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

TNT는: 배송 비용은 $25-$65 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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