사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 1V @ 50mA |
| Current - Output | 400mA |
| Current - Quiescent (Iq) | 2 mA |
| Current - Supply (Max) | 20 mA |
| Protection Features | Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
The LM2937IMPX-5.0 is a voltage regulator from Texas Instruments designed to provide a stable 5.0V output with a maximum output current of 500 mA. It is part of the LM2937 series, known for their low dropout voltage and high efficiency. The device can operate with a wide input voltage range, typically from 5.5V to 26V, making it suitable for various applications requiring a regulated power supply.
This regulator features internal current limiting, thermal shutdown protection, and safe area compensation, ensuring reliable operation under challenging conditions. It is packaged in a TO-252 package, which is well-suited for applications requiring efficient thermal performance. The LM2937IMPX-5.0 is commonly used in automotive, industrial, and consumer electronics, where precise voltage regulation is critical.
The low dropout voltage, typically around 0.5V at full load, allows for efficient operation even with a minimal difference between input and output voltages. This makes it especially useful in battery-powered devices where energy conservation is a priority.
This regulator features internal current limiting, thermal shutdown protection, and safe area compensation, ensuring reliable operation under challenging conditions. It is packaged in a TO-252 package, which is well-suited for applications requiring efficient thermal performance. The LM2937IMPX-5.0 is commonly used in automotive, industrial, and consumer electronics, where precise voltage regulation is critical.
The low dropout voltage, typically around 0.5V at full load, allows for efficient operation even with a minimal difference between input and output voltages. This makes it especially useful in battery-powered devices where energy conservation is a priority.
Equivalent
Equivalent products for the LM2937IMPX-5.0 voltage regulator, which is a 5V LDO with a 500mA output current, include:
1. MIC2937A-5.0WT from Microchip Technology
2. UA78M05CKVURG3 from Texas Instruments
3. NCP1117ST50T3G from ON Semiconductor
4. LD1117S50CTR from STMicroelectronics
Make sure to compare electrical specifications and package type to ensure compatibility with your application.
1. MIC2937A-5.0WT from Microchip Technology
2. UA78M05CKVURG3 from Texas Instruments
3. NCP1117ST50T3G from ON Semiconductor
4. LD1117S50CTR from STMicroelectronics
Make sure to compare electrical specifications and package type to ensure compatibility with your application.
Features
The LM2937IMPX-5.0 is a low-dropout voltage regulator with several key features:
1. Output Voltage: Provides a fixed 5.0V output.
2. Output Current: Capable of delivering up to 500 mA of current.
3. Low Quiescent Current: Designed for efficient power usage with low quiescent current.
4. Input Voltage Range: Operates with an input voltage range up to 26V.
5. Low Dropout Voltage: Typically around 0.5V at full load, ensuring efficient performance with minimal voltage loss.
6. Protection Features: Includes overcurrent and thermal shutdown protection for enhanced reliability.
7. Stability: Requires only a small output capacitor for stability, simplifying design requirements.
8. Package: Supplied in a surface-mount TO-263 or similar package, suitable for various applications.
9. Temperature Range: Supports a wide operating temperature range, making it suitable for industrial and automotive environments.
These features make the LM2937IMPX-5.0 suitable for applications requiring efficient regulation with minimal power dissipation and robust protection against operational hazards.
1. Output Voltage: Provides a fixed 5.0V output.
2. Output Current: Capable of delivering up to 500 mA of current.
3. Low Quiescent Current: Designed for efficient power usage with low quiescent current.
4. Input Voltage Range: Operates with an input voltage range up to 26V.
5. Low Dropout Voltage: Typically around 0.5V at full load, ensuring efficient performance with minimal voltage loss.
6. Protection Features: Includes overcurrent and thermal shutdown protection for enhanced reliability.
7. Stability: Requires only a small output capacitor for stability, simplifying design requirements.
8. Package: Supplied in a surface-mount TO-263 or similar package, suitable for various applications.
9. Temperature Range: Supports a wide operating temperature range, making it suitable for industrial and automotive environments.
These features make the LM2937IMPX-5.0 suitable for applications requiring efficient regulation with minimal power dissipation and robust protection against operational hazards.
Pinout
The LM2937IMPX-5.0 is a voltage regulator with a fixed 5.0V output. It is packaged in a SOT-223 form factor and typically features 3 pins. Here are the pin functions:
1. Input (VIN): This pin receives the input voltage that is to be regulated down to 5.0V.
2. Ground (GND): This is the common ground for both the input and output voltages.
3. Output (VOUT): This pin provides the regulated 5.0V output.
The LM2937IMPX-5.0 is designed for applications requiring up to 500 mA of output current. It offers features like overcurrent protection and thermal shutdown to ensure reliability and protect against faults. This component is widely used in various electronic applications due to its efficiency and reliability in providing a stable 5.0V output.
1. Input (VIN): This pin receives the input voltage that is to be regulated down to 5.0V.
2. Ground (GND): This is the common ground for both the input and output voltages.
3. Output (VOUT): This pin provides the regulated 5.0V output.
The LM2937IMPX-5.0 is designed for applications requiring up to 500 mA of output current. It offers features like overcurrent protection and thermal shutdown to ensure reliability and protect against faults. This component is widely used in various electronic applications due to its efficiency and reliability in providing a stable 5.0V output.
Manufacturer
The LM2937IMPX-5.0 is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. The company is known for producing integrated circuits that are used in electronics and devices across various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. Texas Instruments is recognized for its innovation in the semiconductor industry and its contributions to advancing technology through its development of high-performance, reliable, and energy-efficient components.
Application
The LM2937IMPX-5.0 is a voltage regulator, and its application areas include:
1. Consumer Electronics: Provides stable power for devices like TVs, radios, and computers.
2. Automotive: Used in electronic control units and infotainment systems for stable voltage supply.
3. Industrial Equipment: Powers sensors, controllers, and actuators in automation systems.
4. Telecommunications: Ensures stable power for networking devices and communication infrastructure.
5. Medical Devices: Supplies regulated power for portable medical instruments and diagnostic equipment.
6. Embedded Systems: Used in microcontroller-based applications requiring a consistent 5V output.
These regulators are valued for their reliability in maintaining a steady output voltage across various conditions.
1. Consumer Electronics: Provides stable power for devices like TVs, radios, and computers.
2. Automotive: Used in electronic control units and infotainment systems for stable voltage supply.
3. Industrial Equipment: Powers sensors, controllers, and actuators in automation systems.
4. Telecommunications: Ensures stable power for networking devices and communication infrastructure.
5. Medical Devices: Supplies regulated power for portable medical instruments and diagnostic equipment.
6. Embedded Systems: Used in microcontroller-based applications requiring a consistent 5V output.
These regulators are valued for their reliability in maintaining a steady output voltage across various conditions.
Package
The LM2937IMPX-5.0 is a voltage regulator with a package type of SOT-223. This refers to a small-outline transistor packaging that is commonly used for surface-mount applications.
