Images à titre indicatif uniquement
LM2937IMP-2.5
+NomenclatureIC REG LIN 2.5V 500MA SOT-223-4
-
FabricantTexas Instruments
-
Pièce fabricant #LM2937IMP-2.5
-
En stock4050
365 Garantie qualité 24h/24
7*24 Garantie de service 24h/24
90-Garantie après-vente 24h/24
Garantie produit authentique
Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Base Product Number | LM2937 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage Dropout (Max) | 1V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | 20 mA |
| Protection Features | Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
| Package | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| Packaging | Tape & Reel (TR) |
Présentation
Description
The device offers internal current limiting and thermal shutdown features to protect against overcurrent conditions and overheating, enhancing reliability and safety in various applications. Its compact SOT-223 package facilitates easy integration into space-constrained designs. The LM2937IMP-2.5 is ideal for use in battery-powered devices, microprocessor systems, and general-purpose power supply applications, providing consistent performance with minimal external components.
Furthermore, the regulator is designed to operate over a wide input voltage range, typically from about 4.75V to 26V, making it versatile for numerous electronic projects. Its stability and efficiency contribute to its suitability for industrial, automotive, and consumer electronics applications.
Equivalent
1. LM1117-2.5 by Texas Instruments: A similar LDO regulator with a 2.5V output.
2. MIC2937A-2.5WT by Microchip Technology: Another LDO with comparable specifications.
3. NCP1117-2.5 by ON Semiconductor: Offers similar functionality and output voltage.
Ensure to verify the specifications like current rating, dropout voltage, and package type for compatibility.
Features
1. Output Voltage: Fixed 2.5V output.
2. Output Current: Capable of delivering up to 500 mA.
3. Low Dropout Voltage: Typically around 0.5V at full load, ensuring efficient operation.
4. Thermal Protection: Integrated thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Built-in current limiting to safeguard against overcurrent conditions.
6. Reverse Polarity Protection: Protects against damage from incorrect input connections.
7. Wide Input Voltage Range: Operates effectively with input voltages up to 26V.
8. Low Quiescent Current: Reduces power consumption in standby mode.
9. Surface-Mount Package: Available in a small SOT-223 package, suitable for space-constrained applications.
These features make the LM2937IMP-2.5 ideal for applications requiring stable and efficient low-voltage regulation in compact designs, including automotive, industrial, and consumer electronics.
Pinout
1. Input (Pin 1): This pin is connected to the input voltage supply. It should be higher than the output voltage to ensure proper regulation.
2. Ground (Pin 2): This pin is the ground reference for both the input and output voltage. It is essential for completing the circuit.
3. Output (Pin 3): This is the regulated output voltage pin, providing a stable 2.5V output to the load.
4. NC (Pin 4): This pin is typically not connected and may be used for mechanical support.
The LM2937IMP-2.5 is designed for applications where space is limited and efficient voltage regulation is needed, with a dropout voltage of approximately 500 mV at 500 mA load current.
Manufacturer
Application
1. Consumer Electronics: Powering microcontrollers and digital circuits in devices like set-top boxes and handheld gadgets.
2. Automotive: Supplying stable voltage to electronic control units (ECUs) and sensors.
3. Telecommunications: Used in networking equipment to maintain voltage levels.
4. Industrial Automation: Powering sensors and control systems in industrial settings.
5. Computing: Providing regulated power for peripherals and components in computers and servers.
6. Portable Devices: Battery-powered applications that require efficient power regulation.
Its low-dropout feature makes it ideal for applications where space and thermal efficiency are important.