Images à titre indicatif uniquement
LM2937IMP-12
+NomenclatureIC REG LIN 12V 500MA SOT-223-4
-
FabricantTexas Instruments
-
Pièce fabricant #LM2937IMP-12
-
En stock7721
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 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min/Fixed) | 12V |
| Voltage Dropout (Max) | 1V @ 500mA |
| Current - Output | 500mA |
| Current - Quiescent (Iq) | 10 mA |
| Protection Features | Mirror-Image Insertion, Over Temperature, Short Circuit, Transient Voltage |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| Base Product Number | LM2937 |
| Current - Supply (Max) | 20 mA |
Présentation
Description
Key features include thermal overload protection, short-circuit protection, and a low quiescent current, enhancing efficiency in portable applications. The LM2937IMP-12 is housed in an 8-pin surface-mount package, facilitating easy integration into compact designs.
This voltage regulator is ideal for powering microcontrollers, sensors, and other electronic components requiring a reliable 12V supply. With a good transient response and low noise output, it is widely used in automotive, industrial, and consumer electronics applications.
Equivalent
Features
1. Wide Input Voltage Range: It accepts input voltages from 15V to 26V, making it versatile for various applications.
2. Low Dropout Voltage: With a dropout voltage of about 0.5V at 1A, it ensures efficient operation even with minimal input-output voltage differences.
3. Output Current: It can supply up to 1A of output current, suitable for powering various electronic components.
4. Thermal Protection: The device includes built-in thermal shutdown to protect against overheating.
5. Short Circuit Protection: It features current limiting to protect the circuit from overload conditions.
6. Low Quiescent Current: The regulator consumes minimal power when not loaded, enhancing efficiency.
7. Temperature Range: It operates over a temperature range of -40°C to +125°C, suitable for harsh environments.
These features make the LM2937IMP-12 ideal for automotive, industrial, and consumer electronics applications.
Pinout
### Pin Configuration:
1. Input (Vin): Connects to the input voltage source.
2. Ground (GND): Common ground connection.
3. Output (Vout): Provides the regulated output voltage (12V).
4. Adjust (Adj): Used for voltage adjustment; typically connected to the output for fixed voltage applications.
5. Thermal Shutdown (Thermal): Not commonly used but provides protection against overheating.
The LM2937IMP-12 is characterized by low quiescent current, high output stability, and is suitable for powering sensitive electronic devices.
Manufacturer
Texas Instruments is one of the largest manufacturers of semiconductors in the world, known for its commitment to research and development, advancing technologies, and providing high-quality products. The LM2937IMP-12 specifically is a voltage regulator, often used in applications that require stable voltage output, such as power supplies for consumer electronics and other electronic devices. TI's reputation for reliability and performance makes it a key player in the semiconductor industry.
Application
1. Automotive Electronics: Powering sensors, controllers, and displays in vehicles.
2. Telecommunications: Providing stable power to communication devices and infrastructure.
3. Industrial Equipment: Regulating voltage in machinery and control systems.
4. Consumer Electronics: Supplying power to electronic gadgets needing stable voltage.
5. Battery-Powered Devices: Ensuring consistent output as battery voltage varies.
Its features include low dropout voltage, thermal protection, and short-circuit protection, making it suitable for these applications.