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LM2937IMP-5.0
+StücklisteIC REG LINEAR 5V 400MA SOT223-4
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HerstellerTexas Instruments
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Herstellerteil #LM2937IMP-5.0
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Paket SOT223-4
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Auf Lager7623
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| 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) | 5V |
| VoltageDropout(Max) | 1V @ 50mA |
| Current-Output | 400mA |
| Current-Quiescent(Iq) | 2 mA |
| Current-Supply(Max) | 20 mA |
| ProtectionFeatures | Over Temperature, Reverse Polarity, Short Circuit |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Übersicht
Description
The LM2937IMP-5.0 features a wide input voltage range and built-in protection mechanisms, including short-circuit protection, thermal shutdown, and safe area protection. These features ensure reliability and safety under various operating conditions. Its compact SOT-223 package is suitable for space-constrained designs.
The regulator offers excellent load and line regulation, making it ideal for use in consumer electronics, industrial equipment, and automotive applications. Additionally, it has low quiescent current, enhancing battery life in portable devices. Overall, the LM2937IMP-5.0 is a versatile and reliable solution for providing regulated 5.0V power in diverse applications.
Equivalent
1. MIC2937A-5.0WT from Microchip Technology
2. LP2951-50 from Texas Instruments
3. NCP1117DT50RKG from ON Semiconductor
4. UA78M05 from Texas Instruments
These alternatives have similar voltage regulation capabilities, but it's important to check the specifications for compatibility with your design.
Features
1. Output Voltage: Provides a fixed output voltage of 5.0V.
2. Input Voltage Range: Can handle an input voltage range typically between 5.5V and 26V.
3. Output Current: Capable of delivering a maximum output current of 500mA.
4. Low Dropout Voltage: Features a dropout voltage of typically 0.5V at full load, allowing efficient operation close to the output voltage level.
5. Thermal Protection: Includes thermal shutdown to prevent overheating and damage due to excessive power dissipation.
6. Current Limiting: Built-in current limiting protects against short circuits.
7. Stability: Designed to be stable with a variety of output capacitors, making it versatile for different applications.
8. Packaging: Available in a space-saving SOT-223 package, making it suitable for compact circuit designs.
9. Low Quiescent Current: Offers low quiescent current for energy-efficient operation, ideal for battery-powered devices.
The LM2937IMP-5.0 is commonly used in consumer electronics, industrial controls, and automotive applications due to its reliability and efficiency.
Pinout
1. Input (Pin 1): This pin receives the input voltage from a power source and should be connected to a voltage higher than 5.5 volts to maintain regulation, with a typical dropout voltage of around 0.5 volts.
2. Ground (Pin 2): This pin is connected to the ground of the system. It serves as a reference point for the input and output voltages.
3. Output (Pin 3): This pin provides the regulated 5.0-volt output. It should be connected to the load and may require an output capacitor for stability and transient response improvement.
The LM2937 is designed for use in various applications requiring a stable 5.0-volt output and is capable of delivering up to 500 mA of output current. It is well-suited for automotive and battery-powered applications due to its low-dropout capabilities and thermal protection features.
Manufacturer
Application
1. Consumer Electronics: Provides stable voltage supply for devices like smartphones, tablets, and wearable technology.
2. Automotive Systems: Suitable for powering sensors, microcontrollers, and infotainment systems with its wide input voltage range.
3. Industrial Equipment: Used in control systems and instrumentation due to its reliability in harsh environments.
4. Networking and Telecommunications: Supports routers, modems, and other networking equipment.
5. Embedded Systems: Powers microprocessors and other digital circuits requiring a stable voltage.
Its robustness and efficiency make it versatile across various sectors.