Imagens apenas para referência
LM2937IMP-3.3
+Lista de MateriaisIC REG LIN 3.3V 400MA SOT223-4
-
FabricanteTexas Instruments
-
Peça do Fabricante #LM2937IMP-3.3
-
Pacote SOT-223 (DCY)-4
-
Em Estoque5663
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 26V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 1V @ 50mA |
| Current-Output | 400mA |
| Current-Quiescent(Iq) | 2 mA |
| Current-Supply(Max) | 1.25 A |
| ProtectionFeatures | Over Temperature, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Visão Geral
Description
The LM2937IMP-3.3 is a low dropout voltage regulator designed to provide a stable 3.3V output with up to 500mA of output current. Manufactured by Texas Instruments, this regulator is part of the LM2937 series, known for their robustness and reliability. It features a low dropout voltage, typically around 0.5V at full load, making it efficient for applications with low input-to-output differential voltage.
The device offers excellent line and load regulation, ensuring consistent performance across a variety of conditions. It includes built-in protection features such as current limiting and thermal shutdown, safeguarding the circuit against potential damage from overcurrent and overheating. The LM2937IMP-3.3 is housed in a small, thermally efficient SOT-223 package, which is suitable for applications with space constraints.
Typical applications include powering microcontrollers, sensors, and other low-power digital devices in consumer electronics, automotive, and industrial systems. Its ease of use, coupled with reliable performance, makes it a popular choice for engineers seeking a dependable voltage regulation solution.
The device offers excellent line and load regulation, ensuring consistent performance across a variety of conditions. It includes built-in protection features such as current limiting and thermal shutdown, safeguarding the circuit against potential damage from overcurrent and overheating. The LM2937IMP-3.3 is housed in a small, thermally efficient SOT-223 package, which is suitable for applications with space constraints.
Typical applications include powering microcontrollers, sensors, and other low-power digital devices in consumer electronics, automotive, and industrial systems. Its ease of use, coupled with reliable performance, makes it a popular choice for engineers seeking a dependable voltage regulation solution.
Equivalent
The LM2937IMP-3.3 is a 3.3V voltage regulator. Equivalent products include:
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. LP2950-3.3 by Texas Instruments
4. MIC2937A-3.3 by Microchip Technology
5. L78L33 by STMicroelectronics
These are similar low-dropout voltage regulators that offer a fixed 3.3V output suitable for similar applications. Be sure to verify pin configurations and electrical characteristics when selecting an equivalent.
1. LM1117-3.3 by Texas Instruments
2. AMS1117-3.3 by Advanced Monolithic Systems
3. LP2950-3.3 by Texas Instruments
4. MIC2937A-3.3 by Microchip Technology
5. L78L33 by STMicroelectronics
These are similar low-dropout voltage regulators that offer a fixed 3.3V output suitable for similar applications. Be sure to verify pin configurations and electrical characteristics when selecting an equivalent.
Features
The LM2937IMP-3.3 is a low dropout (LDO) voltage regulator designed to provide a stable 3.3V output with high efficiency. Key features include:
1. Output Voltage: Fixed at 3.3V.
2. Output Current: Capable of delivering up to 500mA.
3. Low Dropout Voltage: Typically around 0.5V at full load, making it suitable for applications with minimal input-output voltage differential.
4. High Stability: Incorporates internal frequency compensation and is stable with tantalum or aluminum electrolytic capacitors.
5. Protection Features: Offers built-in current limiting and thermal shutdown to protect against overload and overheating.
6. Reverse Battery Protection: Prevents damage if the supply connection is inverted.
7. Low Quiescent Current: Efficient operation with minimal power consumption in standby mode.
8. Package: Available in a surface-mount SOT-223 package, which is compact and suitable for space-constrained applications.
9. Temperature Range: Operates reliably within a wide temperature range, typically from -40°C to +125°C.
These features make the LM2937IMP-3.3 ideal for use in battery-powered and portable devices, as well as other applications requiring efficient regulation with low dropout voltage.
1. Output Voltage: Fixed at 3.3V.
2. Output Current: Capable of delivering up to 500mA.
3. Low Dropout Voltage: Typically around 0.5V at full load, making it suitable for applications with minimal input-output voltage differential.
4. High Stability: Incorporates internal frequency compensation and is stable with tantalum or aluminum electrolytic capacitors.
5. Protection Features: Offers built-in current limiting and thermal shutdown to protect against overload and overheating.
6. Reverse Battery Protection: Prevents damage if the supply connection is inverted.
7. Low Quiescent Current: Efficient operation with minimal power consumption in standby mode.
8. Package: Available in a surface-mount SOT-223 package, which is compact and suitable for space-constrained applications.
9. Temperature Range: Operates reliably within a wide temperature range, typically from -40°C to +125°C.
These features make the LM2937IMP-3.3 ideal for use in battery-powered and portable devices, as well as other applications requiring efficient regulation with low dropout voltage.
Pinout
The LM2937IMP-3.3 is a 3.3V voltage regulator from Texas Instruments. It comes in a SOT-223 package and typically features 3 pins. Here's a brief overview of its pin configuration and functions:
1. Pin 1 (Input): This pin is connected to the input voltage source. The LM2937IMP-3.3 is designed to accept a higher input voltage and regulate it down to a stable output of 3.3V.
2. Pin 2 (Ground): This is the ground pin, which serves as the reference point for the input and output voltage. It should be connected to the system ground.
3. Pin 3 (Output): This pin provides the regulated 3.3V output. It is connected to the load requiring a stable 3.3V supply.
The LM2937IMP-3.3 is a low-dropout (LDO) regulator, meaning it can maintain a steady output voltage even when the input voltage is only slightly higher than the desired output voltage. It is commonly used for powering low-voltage digital and analog circuits.
1. Pin 1 (Input): This pin is connected to the input voltage source. The LM2937IMP-3.3 is designed to accept a higher input voltage and regulate it down to a stable output of 3.3V.
2. Pin 2 (Ground): This is the ground pin, which serves as the reference point for the input and output voltage. It should be connected to the system ground.
3. Pin 3 (Output): This pin provides the regulated 3.3V output. It is connected to the load requiring a stable 3.3V supply.
The LM2937IMP-3.3 is a low-dropout (LDO) regulator, meaning it can maintain a steady output voltage even when the input voltage is only slightly higher than the desired output voltage. It is commonly used for powering low-voltage digital and analog circuits.
Manufacturer
The LM2937IMP-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic devices across numerous industries. They are known for their innovation in the electronics sector and supply components for applications such as consumer electronics, automotive, industrial, and communications equipment. TI is one of the largest semiconductor companies in the world and is recognized for its broad portfolio of semiconductor technologies, including analog and embedded processing products.
Application
The LM2937IMP-3.3 is a low-dropout (LDO) voltage regulator, providing a stable 3.3V output. It is commonly used in applications requiring power regulation and noise reduction. Key application areas include:
1. Consumer Electronics: Powers microcontrollers and digital circuits in devices like smartphones and tablets.
2. Automotive: Manages power for sensors and electronic control units (ECUs), supporting a wide operating temperature range.
3. Industrial: Stabilizes power for industrial control systems and instrumentation.
4. Communication Systems: Supplies consistent power to communication modules and networking equipment.
5. Computing: Provides regulated power for processors and memory modules in computers and servers.
Its reliability and efficiency make it ideal for these applications.
1. Consumer Electronics: Powers microcontrollers and digital circuits in devices like smartphones and tablets.
2. Automotive: Manages power for sensors and electronic control units (ECUs), supporting a wide operating temperature range.
3. Industrial: Stabilizes power for industrial control systems and instrumentation.
4. Communication Systems: Supplies consistent power to communication modules and networking equipment.
5. Computing: Provides regulated power for processors and memory modules in computers and servers.
Its reliability and efficiency make it ideal for these applications.
Package
The LM2937IMP-3.3 is a low dropout voltage regulator in a SOT-223 package.
