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L4931ABD50-TR
+Lista de MateriaisIC REG LINEAR 5V 250MA 8-SOIC
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FabricanteSTMicroeletrônica
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Peça do Fabricante #L4931ABD50-TR
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Ficha Técnica L4931ABD50-TR DataSheet
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Especificações
| Atributo | Valor |
| 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) |
Visão Geral
Description
Key features of the L4931ABD50-TR include high accuracy, low quiescent current, and built-in protection mechanisms such as thermal shutdown and overcurrent protection. Its compact package makes it suitable for space-constrained designs. The device operates over a wide temperature range, ensuring reliability in diverse environments.
Overall, the L4931ABD50-TR is an effective solution for applications requiring dependable voltage regulation and efficient power management.
Equivalent
Features
1. Input Voltage Range: Operates with a wide input voltage range, typically from 6V to 40V.
2. Low Dropout Voltage: Ensures efficient regulation with a low dropout voltage, typically around 0.1V at a load current of 50mA.
3. Output Current: Capable of delivering up to 1A of output current, making it suitable for various applications.
4. Thermal Protection: Integrated thermal shutdown feature prevents overheating and damage.
5. Short-Circuit Protection: Safeguards against short circuits by limiting current.
6. High Ripple Rejection: Provides stable output despite fluctuations in input voltage, ensuring clean power supply.
7. Compact Package: Available in a surface mount package, ideal for space-constrained designs.
These features make the L4931ABD50-TR suitable for use in consumer electronics, automotive applications, and industrial systems requiring regulated power supply.
Pinout
The pin functions are as follows:
1. Input (VIN): Connects to the input supply voltage.
2. Output (VOUT): Provides the regulated output voltage, typically 5V.
3. Ground (GND): Connects to the system ground.
4. Adjustment (ADJ): Used for adjusting the output voltage; in fixed versions like L4931ABD50, it is typically not connected.
5. Enable (EN): Controls the active state of the regulator; can be used to enable or disable the output.
This device is suitable for various applications requiring a stable output voltage with minimal power loss and is often utilized in consumer electronics and automotive systems.
Manufacturer
Founded in 1987 through the merger of SGS Microelettronica (Italy) and Thomson Semiconducteurs (France), STMicroelectronics is known for its innovative solutions that enhance connectivity and efficiency in electronic devices. It operates R&D centers, manufacturing facilities, and sales offices worldwide, contributing to advancements in technology, particularly in areas like the Internet of Things (IoT), automotive electronics, and smart devices.
The L4931ABD50-TR specifically is a low-dropout (LDO) voltage regulator, designed to provide a stable output voltage with minimal input-output differential, making it ideal for various electronics applications.
Application
1. Consumer Electronics: Powering devices like smartphones, tablets, and portable gadgets.
2. Industrial Equipment: Providing stable voltage for sensors and control systems.
3. Automotive Systems: Supplying power to electronic control units (ECUs) and infotainment systems.
4. Telecommunications: Supporting base stations and communication devices.
5. Embedded Systems: Ensuring reliable power for microcontrollers and other digital circuits.
Its low dropout voltage and high efficiency make it suitable for battery-operated devices.