L4931ABDT33-TR

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L4931ABDT33-TR

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IC REG LINEAR 3.3V 250MA DPAK

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

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Spezifikationen

Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT)
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 20V
Voltage - Output (Min/Fixed) 3.3V
Voltage Dropout (Max) 0.8V @ 250mA
Current - Output 250mA
Current - Quiescent (Iq) 1 mA
Current - Supply (Max) 6 mA
PSRR 73dB ~ 55dB (120Hz ~ 10kHz)
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Übersicht

Description

The L4931ABDT33-TR is a low-dropout (LDO) voltage regulator designed for applications requiring stable and precise power supply. Manufactured by STMicroelectronics, this device delivers a fixed output voltage of 3.3V and can handle an output current of up to 250 mA. It features low quiescent current and is optimized for low voltage differentials, making it suitable for battery-powered and energy-efficient applications.
The L4931ABDT33-TR comes in a DPAK surface-mount package, which is suitable for compact and high-density PCB designs. It includes features such as thermal shutdown and current limiting to protect against overloads, enhancing reliability and safety in electronic circuits. The regulator operates with a low dropout voltage, ensuring stable performance even when input voltage approaches the output voltage.
This component is commonly used in consumer electronics, automotive systems, and industrial controls where precise voltage regulation is required. Its robust design and protective features make it a versatile choice for various electronic applications.

Equivalent

The L4931ABDT33-TR is a 3.3V low dropout (LDO) voltage regulator. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. MIC5205-3.3 by Microchip Technology
3. NCP1117-3.3 by ON Semiconductor
4. LD1117S33 by STMicroelectronics
5. AMS1117-3.3 by Advanced Monolithic Systems
These alternatives offer similar functionality, with slight variations in parameters such as dropout voltage and package options. Always check the datasheets for specific compatibility.

Features

The L4931ABDT33-TR is a low-dropout voltage regulator designed for various electronic applications. Key features include:
1. Output Voltage: It provides a fixed output voltage of 3.3V.

2. Output Current: It can deliver an output current of up to 100mA.
3. Low Dropout Voltage: Characterized by a low dropout voltage, making it efficient in providing a stable output even when the supply voltage is close to the output voltage.
4. Quiescent Current: Designed to have a low quiescent current, which is beneficial for battery-powered devices.
5. Protection Features: Includes protection against overcurrent and thermal overload, enhancing reliability and safety.
6. Package Type: Comes in a TO-252 package, suitable for surface-mount applications.
7. Operating Temperature Range: Typically supports a wide operating temperature range, making it versatile for various environmental conditions.
8. Stability: Offers good stability with low ESR output capacitors.
These features make the L4931ABDT33-TR suitable for use in power management applications where a reliable and efficient voltage regulation is required.

Pinout

The L4931ABDT33-TR is a low-dropout (LDO) linear voltage regulator. It comes in a DPAK (TO-252) package, which typically has 3 pins. The main function of this device is to provide a fixed 3.3V output voltage from a higher input voltage, with a maximum output current of 250 mA. The three pins are generally configured as follows:
1. Input (Vin): This pin receives the input voltage, which should be higher than the desired output voltage to ensure proper regulation.

2. Ground (GND): This pin is the common ground reference for the input and output voltages.

3. Output (Vout): This pin provides the regulated output voltage of 3.3V.
The L4931 series is known for its low quiescent current and high precision regulation, making it suitable for various applications in electronic circuits where a stable 3.3V supply is required.

Manufacturer

The L4931ABDT33-TR is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics designs, develops, manufactures, and markets a wide range of semiconductor products and solutions. The company serves various markets, including automotive, industrial, personal electronics, communications equipment, and the Internet of Things (IoT). Known for their innovation and technology leadership, STMicroelectronics focuses on areas such as microcontrollers, sensors, power management, and connectivity solutions. They are recognized for providing products that enable smart driving, smart industry, smart home and city, and smart things.

Application

The L4931ABDT33-TR is a low-dropout linear voltage regulator, typically used in applications requiring a stable and precise voltage supply. Common areas of application include:
1. Consumer Electronics: Provides regulated power for microcontrollers, sensors, and other digital ICs.
2. Automotive Systems: Powers electronic control units (ECUs) and infotainment systems.
3. Industrial Automation: Supplies stable voltage in control systems and communication devices.
4. Communication Devices: Used in modems, routers, and wireless devices for consistent performance.
5. Portable Devices: Ensures efficient power regulation in smartphones, tablets, and wearables.
Its compact design and efficiency make it suitable for space-constrained and battery-operated devices.

Package

The L4931ABDT33-TR is a low-dropout voltage regulator from STMicroelectronics, and it comes in a DPAK (TO-252) surface-mount package.

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