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L4931ABD50-TR

Name: L4931ABD50-TR
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 250MA 8-SOIC

제조업체
Mfr.부분 #L4931ABD50-TR
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사양

Part Status	Active
Base Product Number	L4931
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	20V
Voltage - Output (Min/Fixed)	5V
Voltage Dropout (Max)	0.8V @ 250mA
Current - Output	250mA
Current - Quiescent (Iq)	1 mA
Current - Supply (Max)	6 mA
PSRR	70dB ~ 55dB (120Hz ~ 10kHz)
Protection Features	Over Current, Over Temperature
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Packaging	Cut Tape (CT), Tape & Reel (TR)

개요

Description

The L4931ABD50-TR is a low-dropout (LDO) voltage regulator designed for efficient power management in various electronic applications. It provides a fixed output voltage of 5V, with a maximum output current of 1A, making it suitable for powering microcontrollers, sensors, and other low-power devices.
Key features include a low dropout voltage of typically 0.35V at 1A load, enabling optimal performance even when the input voltage is close to the output voltage. The device also incorporates thermal protection and current limiting, enhancing reliability and safety in circuit designs.
It operates over a wide input voltage range, typically from 6V to 40V, and offers excellent line and load regulation. The L4931ABD50-TR is supplied in a compact TO-220 package, facilitating easy integration into various PCB layouts.
Overall, this LDO is ideal for applications requiring stable voltage output with minimal heat generation, making it a popular choice in consumer electronics, automotive, and industrial systems.

Features

The L4931ABD50-TR is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 5.0V with a maximum output current of 1.0A. Key features include:
1. Dropout Voltage: Low dropout voltage of around 300mV at full load, allowing efficient operation with minimal input-output voltage difference.
2. Thermal Protection: Integrated thermal shutdown feature prevents damage from overheating.
3. Short-Circuit Protection: Current limiting ensures device safety during overload conditions.
4. Low Quiescent Current: Efficient operation with low power consumption in standby mode.
5. Wide Input Voltage Range: Accepts input voltages typically from 7V to 30V, making it versatile for various applications.
6. Package: Available in a compact TO-220 package, facilitating easy integration into designs.
Ideal for applications such as portable devices, automotive electronics, and power management systems, the L4931ABD50-TR ensures reliable performance and stability in powering sensitive electronic circuits.

Package

The L4931ABD50-TR is packaged in a TO-220 form factor. This type of package is typically used for power devices, providing good thermal dissipation and ease of mounting on heatsinks.

Pinout

The L4931ABD50-TR is a voltage regulator with a pin count of 5. Its primary function is to provide a stable output voltage of 5V, making it suitable for various electronic applications. The pins are typically designated as follows:
1. Input (Vin): Connects to the input voltage source.
2. Output (Vout): Delivers the regulated output voltage.
3. Ground (GND): Common ground connection.
4. Enable (EN): Controls the activation of the regulator (active high).
5. Adjust (Adj): Used for output voltage adjustment if applicable.
This device is designed for low dropout applications, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.

Manufacturer

The L4931ABD50-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company serves various markets, including automotive, industrial, personal electronics, and communication equipment. STMicroelectronics is known for its innovation in microcontrollers, sensors, power management ICs, and other electronic components essential for modern technology applications. They focus on developing solutions that enhance connectivity, energy efficiency, and performance across diverse industries.

Application

The L4931ABD50-TR is a low-dropout (LDO) linear voltage regulator designed for various applications, including automotive electronics, battery-powered devices, and consumer electronics. It provides regulated output voltage, low noise, and high ripple rejection, making it suitable for microcontrollers, sensors, and RF applications. Its compact package allows for efficient power management in space-constrained environments.

Equivalent

The L4931ABD50-TR is a low-dropout voltage regulator (LDO) with an output of 5V. Equivalent products include:
1. LM1117-5.0
2. MIC5205-5.0
3. TPS7A47
4. AMS1117-5.0
5. LP2950-5.0
Always check the specific electrical characteristics and application requirements to ensure compatibility.