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LM2940IMPX-5.0
+StücklisteIC REG LINEAR 5V 1A SOT-223-4
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HerstellerTexas Instruments
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Herstellerteil #LM2940IMPX-5.0
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Auf Lager8450
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Obsolete |
| Base Product Number | LM2940 |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 26V |
| Voltage - Output (Min / Fixed) | 5V |
| Voltage Dropout (Max) | 1V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 10 mA |
| Current - Supply (Max) | 15 mA |
| PSRR | 64dB (120Hz) |
| Protection Features | Over Current, Over Temperature, Reverse Polarity, Short Circuit |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-261-4, TO-261AA |
| Supplier Device Package | SOT-223-4 |
| Packaging | Tape & Reel (TR) |
Übersicht
Description
The LM2940IMPX-5.0 is a low-dropout (LDO) voltage regulator designed to provide a stable 5V output voltage with a maximum output current of 1A. It features a low dropout voltage of about 0.5V at full load, making it suitable for applications where input voltage is close to the output voltage.
This regulator is designed to work efficiently in automotive and battery-powered devices, ensuring reliable performance across a wide temperature range. It includes built-in protection features such as thermal shutdown and current limiting to safeguard the device and the load.
The LM2940IMPX-5.0 has a fast transient response, making it ideal for powering microcontrollers, sensors, and other electronic components sensitive to voltage fluctuations. Its compact package allows for easy integration into various designs.
With its stable output and robust performance, the LM2940IMPX-5.0 is widely used in consumer electronics, automotive circuits, and portable devices, providing a reliable solution for voltage regulation needs.
This regulator is designed to work efficiently in automotive and battery-powered devices, ensuring reliable performance across a wide temperature range. It includes built-in protection features such as thermal shutdown and current limiting to safeguard the device and the load.
The LM2940IMPX-5.0 has a fast transient response, making it ideal for powering microcontrollers, sensors, and other electronic components sensitive to voltage fluctuations. Its compact package allows for easy integration into various designs.
With its stable output and robust performance, the LM2940IMPX-5.0 is widely used in consumer electronics, automotive circuits, and portable devices, providing a reliable solution for voltage regulation needs.
Equivalent
Equivalent products to the LM2940IMPX-5.0 include the LM7805, LT1085-5, MC78M05, and TPS7A47. These alternatives are linear voltage regulators with similar output voltage ratings (5V) and comparable specifications. Ensure to check their datasheets for specific electrical characteristics and package compatibility to confirm suitability for your application.
Features
The LM2940IMPX-5.0 is a low dropout (LDO) voltage regulator designed for efficient power management. Key features include:
1. Output Voltage: Fixed output of 5.0V.
2. Dropout Voltage: Low dropout of typically 0.5V at 1A load, allowing operation with minimal input-output voltage difference.
3. Current Output: Capable of supplying up to 1A of output current.
4. Thermal Protection: Integrated thermal shutdown feature to prevent overheating.
5. Short Circuit Protection: Protects against output short circuits.
6. Low Quiescent Current: Offers low quiescent current for better efficiency, especially in battery-powered applications.
7. Wide Input Voltage Range: Accepts input voltages from 7V to 26V.
8. Capacitor Compatibility: Stable with a wide range of output capacitors, including tantalum and aluminum electrolytic capacitors.
9. Package: Available in an 8-lead TO-220 or surface-mount package for versatile applications.
These features make the LM2940IMPX-5.0 suitable for various consumer electronics, automotive, and industrial applications.
1. Output Voltage: Fixed output of 5.0V.
2. Dropout Voltage: Low dropout of typically 0.5V at 1A load, allowing operation with minimal input-output voltage difference.
3. Current Output: Capable of supplying up to 1A of output current.
4. Thermal Protection: Integrated thermal shutdown feature to prevent overheating.
5. Short Circuit Protection: Protects against output short circuits.
6. Low Quiescent Current: Offers low quiescent current for better efficiency, especially in battery-powered applications.
7. Wide Input Voltage Range: Accepts input voltages from 7V to 26V.
8. Capacitor Compatibility: Stable with a wide range of output capacitors, including tantalum and aluminum electrolytic capacitors.
9. Package: Available in an 8-lead TO-220 or surface-mount package for versatile applications.
These features make the LM2940IMPX-5.0 suitable for various consumer electronics, automotive, and industrial applications.
Pinout
The LM2940IMPX-5.0 is a low dropout (LDO) voltage regulator with a pin count of 5. The functions of its pins are as follows:
1. Input (Pin 1): This pin receives the input voltage, which should be higher than the output voltage by at least the dropout voltage.
2. Ground (Pin 2): This pin is connected to the system ground.
3. Output (Pin 3): This pin provides a regulated output voltage of 5.0V.
4. Input Capacitor (Pin 4): This pin connects to an external capacitor to stabilize the input voltage.
5. Output Capacitor (Pin 5): This pin connects to an external capacitor to stabilize the output voltage.
The LM2940IMPX-5.0 is designed to provide a stable 5V output with low dropout voltage, making it suitable for various applications where space and efficiency are critical.
1. Input (Pin 1): This pin receives the input voltage, which should be higher than the output voltage by at least the dropout voltage.
2. Ground (Pin 2): This pin is connected to the system ground.
3. Output (Pin 3): This pin provides a regulated output voltage of 5.0V.
4. Input Capacitor (Pin 4): This pin connects to an external capacitor to stabilize the input voltage.
5. Output Capacitor (Pin 5): This pin connects to an external capacitor to stabilize the output voltage.
The LM2940IMPX-5.0 is designed to provide a stable 5V output with low dropout voltage, making it suitable for various applications where space and efficiency are critical.
Manufacturer
The LM2940IMPX-5.0 is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of semiconductor and integrated circuit products, primarily for the electronics and computing industries. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog, digital signal processing, and embedded systems technologies. The company serves various sectors, including automotive, industrial, communications, and consumer electronics. The LM2940 series is a low dropout voltage regulator, widely used in applications requiring efficient voltage regulation.
Application
The LM2940IMPX-5.0 is a low-dropout (LDO) voltage regulator designed for applications requiring a stable 5V output. Common application areas include:
1. Power Supply for Microcontrollers: Provides regulated voltage for embedded systems.
2. Battery-Powered Devices: Efficient regulation for longer battery life.
3. Telecommunications Equipment: Ensures stable operation in communication circuits.
4. Consumer Electronics: Powers devices like TVs, audio systems, and gaming consoles.
5. Automotive Applications: Regulates voltage for automotive electronics and sensors.
Its ability to handle transient loads and low dropout voltage makes it suitable for these diverse applications.
1. Power Supply for Microcontrollers: Provides regulated voltage for embedded systems.
2. Battery-Powered Devices: Efficient regulation for longer battery life.
3. Telecommunications Equipment: Ensures stable operation in communication circuits.
4. Consumer Electronics: Powers devices like TVs, audio systems, and gaming consoles.
5. Automotive Applications: Regulates voltage for automotive electronics and sensors.
Its ability to handle transient loads and low dropout voltage makes it suitable for these diverse applications.
Package
The LM2940IMPX-5.0 is packaged in a TO-220 form factor. This package type features a metal tab for heat dissipation and is suitable for through-hole mounting, providing effective thermal performance for power applications.
