LM2931DT-5.0G

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LM2931DT-5.0G

IC REG LINEAR 5V 100MA DPAK

  • 제조업체onsemi
  • Mfr.부분 #LM2931DT-5.0G
  • 패키지
  • 데이터시트
  • 재고 있음5042

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사양

Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 26V
Voltage - Output (Min/Fixed) 5V
Voltage Dropout (Max) 0.6V @ 100mA
Current - Output 100mA
Current - Quiescent (Iq) 1 mA
Current - Supply (Max) 30 mA
PSRR 90dB (120Hz)
Protection Features Over Current, Over Temperature
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package DPAK
Base Product Number LM2931

개요

Description

The LM2931DT-5.0G is a low-dropout (LDO) voltage regulator designed to provide a stable 5V output from a higher input voltage. This component is particularly useful in battery-operated devices due to its low dropout voltage, which allows it to maintain regulation with minimal input-output voltage difference.
Key features include a maximum output current of 1A, thermal shutdown protection, and short-circuit protection, ensuring reliability and safety in various applications. The LM2931DT-5.0G comes in an 8-pin SOIC package, making it suitable for space-constrained designs. It also boasts low quiescent current, which enhances battery life in portable devices.
The regulator is designed to operate over a wide temperature range, making it versatile for various environments. This makes the LM2931DT-5.0G ideal for consumer electronics, automotive applications, and other systems requiring stable voltage regulation. Proper bypass capacitors are recommended for optimal performance.

Features

The LM2931DT-5.0G is a low dropout (LDO) voltage regulator designed to provide a stable 5V output. Key features include:
1. Input Voltage Range: Operates from a 6V to 26V input.
2. Output Voltage: Fixed output of 5V.
3. Low Dropout Voltage: Typically 0.5V at 1A load, allowing efficient operation with minimal voltage headroom.
4. Output Current: Capable of delivering up to 1A of output current.
5. Thermal Protection: Built-in thermal shutdown to prevent overheating.
6. Short Circuit Protection: Guards against output short conditions.
7. Wide Temperature Range: Operating temperature from -40°C to 125°C, suitable for various environments.
8. Package Type: Available in a surface-mount TO-220 package for easy integration.
These features make the LM2931DT-5.0G suitable for applications requiring reliable voltage regulation, such as powering microcontrollers and other digital devices.

Package

The LM2931DT-5.0G is packaged in a TO-220 form factor. This package type features a metal tab for heat dissipation, making it suitable for voltage regulation applications.

Pinout

The LM2931DT-5.0G is a voltage regulator with a pin count of 5. It is designed to provide a fixed output voltage of 5V. Here are the pin functions:
1. Pin 1 (Input): Connects to the input voltage source (must be greater than the output voltage).
2. Pin 2 (GND): Ground connection.
3. Pin 3 (Output): Provides the regulated 5V output.
4. Pin 4 (Sense): Used for improved regulation; connects to the load to sense the output voltage.
5. Pin 5 (NC): No connection; not used.
The LM2931 series is designed for low dropout voltage operation and includes features like thermal shutdown and current limiting. It is commonly used in applications requiring a stable 5V supply.

Manufacturer

The LM2931DT-5.0G is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components, including integrated circuits, analog chips, and embedded processors. Founded in 1930 and headquartered in Dallas, Texas, TI serves various markets, including automotive, industrial, communications, and consumer electronics. The company is well-known for its innovations in analog and digital signal processing, and it plays a significant role in the development of technology for a diverse array of applications.

Application

The LM2931DT-5.0G is a low-dropout voltage regulator primarily used in applications requiring a stable 5V output. Common areas include power supplies for microcontrollers, sensors, and digital circuits, as well as battery-powered devices needing efficient voltage regulation. It’s also suitable for automotive electronics and portable devices, where low noise and minimal voltage drop are critical.

Equivalent

Equivalent products to the LM2931DT-5.0G voltage regulator include the LM7805, LP2950-5.0, and MIC2940-5.0. These devices provide similar voltage regulation functionality, typically at 5V output, with variations in dropout voltage, current capacity, and package type. Always check the specific datasheets for compatibility with your application.

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