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規格
| 屬性 | 價值 |
| Brand | STMicroelectronics |
| Product Type | Linear Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| Series | L78M09AB |
| Mounting Style | SMD/SMT |
| Package / Case | TO-252 |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Packaging | Tube |
| Factory Pack Quantity:Factory Pack Quantity | 75 |
| Length | 6.6 mm (Max) |
| Width | 6.2 mm (Max) |
| Height | 2.4 mm (Max) |
| Unit Weight | 0.063493 oz |
| Output Voltage | 9 V |
| Output Current | 500 mA |
| Number of Outputs | 1 Output |
| Polarity | Positive |
| Input Voltage - Min | 35 V |
| Input Voltage - Max | 35 V |
| Output Type | Fixed |
| Load Regulation | 180 mV |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Line Regulation | 100 mV |
概述
Description
The L78M09ABDT is a linear voltage regulator that provides a fixed output voltage of 9V with a maximum output current of 500mA. It belongs to the L78M series of voltage regulators, which are designed for low to medium power applications.
Key features include:
1. Input Voltage Range: Typically 11V to 35V, which allows for a wide range of input power sources.
2. Thermal Overload Protection: Prevents damage due to overheating by limiting the temperature.
3. Short Circuit Protection: Automatically shuts down in case of a short circuit, enhancing reliability.
4. Easy to Use: Requires only a few external components for operation, making it user-friendly for prototyping and circuit design.
5. TO-220 Package: Available in a durable package that facilitates heat dissipation.
The L78M09ABDT is commonly used in applications like power supplies, battery chargers, and any circuit requiring stable 9V output.
Key features include:
1. Input Voltage Range: Typically 11V to 35V, which allows for a wide range of input power sources.
2. Thermal Overload Protection: Prevents damage due to overheating by limiting the temperature.
3. Short Circuit Protection: Automatically shuts down in case of a short circuit, enhancing reliability.
4. Easy to Use: Requires only a few external components for operation, making it user-friendly for prototyping and circuit design.
5. TO-220 Package: Available in a durable package that facilitates heat dissipation.
The L78M09ABDT is commonly used in applications like power supplies, battery chargers, and any circuit requiring stable 9V output.
Equivalent
The L78M09ABDT is a voltage regulator that provides a fixed output of 9V with a maximum current of 500mA. Equivalent products include the LM7809, LM78M09, LM317 (adjustable), and the MC7809. Always check specifications for compatibility, as different manufacturers may have slight variations in thermal performance or output voltage tolerance.
Features
The L78M09ABDT is a linear voltage regulator designed to provide a stable output voltage of 9V. Key features include:
1. Output Current: Supports a maximum output current of 500mA.
2. Input Voltage Range: Operates with an input voltage typically between 11V and 26V.
3. Dropout Voltage: Low dropout voltage allows efficient operation, typically around 1.5V at 500mA.
4. Short-Circuit Protection: Equipped with built-in short-circuit protection to safeguard the device and connected components.
5. Thermal Overload Protection: Protects against overheating by shutting down the output under excessive thermal conditions.
6. TO-220 Package: Comes in a TO-220 package for easy heat dissipation and mounting.
7. Temperature Range: Functions effectively over a broad temperature range, typically from -40°C to +125°C.
The L78M09ABDT is suitable for various applications, including power supplies for consumer electronics and industrial devices, due to its reliability and stability.
1. Output Current: Supports a maximum output current of 500mA.
2. Input Voltage Range: Operates with an input voltage typically between 11V and 26V.
3. Dropout Voltage: Low dropout voltage allows efficient operation, typically around 1.5V at 500mA.
4. Short-Circuit Protection: Equipped with built-in short-circuit protection to safeguard the device and connected components.
5. Thermal Overload Protection: Protects against overheating by shutting down the output under excessive thermal conditions.
6. TO-220 Package: Comes in a TO-220 package for easy heat dissipation and mounting.
7. Temperature Range: Functions effectively over a broad temperature range, typically from -40°C to +125°C.
The L78M09ABDT is suitable for various applications, including power supplies for consumer electronics and industrial devices, due to its reliability and stability.
Pinout
The L78M09ABDT is a voltage regulator with a pin count of 3. It is designed to provide a fixed output voltage of 9V with a maximum output current of 500mA.
Pin Functions:
1. Input (Vin): This pin is connected to the input voltage source (typically higher than 9V).
2. Ground (GND): This pin is connected to the circuit ground.
3. Output (Vout): This pin delivers a regulated output voltage of 9V.
The L78M09ABDT is commonly used in various applications requiring a stable 9V power supply, such as in electronic circuits and devices.
Pin Functions:
1. Input (Vin): This pin is connected to the input voltage source (typically higher than 9V).
2. Ground (GND): This pin is connected to the circuit ground.
3. Output (Vout): This pin delivers a regulated output voltage of 9V.
The L78M09ABDT is commonly used in various applications requiring a stable 9V power supply, such as in electronic circuits and devices.
Manufacturer
The L78M09ABDT is manufactured by STMicroelectronics, a global semiconductor company headquartered in Geneva, Switzerland. STMicroelectronics designs and produces a wide range of semiconductor devices, including microcontrollers, sensors, and power management solutions. The company serves various markets such as automotive, industrial, personal electronics, and telecommunications. With a strong focus on innovation and energy efficiency, STMicroelectronics is known for its commitment to sustainability and advanced technology. Established in 1987, it has become one of the largest semiconductor companies in the world, leveraging its extensive expertise to develop solutions that enable the digital transformation of industries. The L78M09ABDT itself is a voltage regulator, specifically designed to provide stable output voltage, making it essential for various electronic applications.
Application
The L78M09ABDT is a linear voltage regulator that provides a stable output of 9V with a maximum current of 500mA. Its application areas include:
1. Power Supply Circuits: Used in electronic devices requiring a regulated 9V supply.
2. Embedded Systems: Powers microcontrollers and sensors in various projects.
3. Consumer Electronics: Provides stable voltage for devices such as audio equipment and cameras.
4. Lighting Applications: Used in LED drivers for consistent illumination.
5. Industrial Equipment: Supplies power to control systems and instrumentation.
Overall, it is favored for its simplicity and reliability in low to moderate power applications.
1. Power Supply Circuits: Used in electronic devices requiring a regulated 9V supply.
2. Embedded Systems: Powers microcontrollers and sensors in various projects.
3. Consumer Electronics: Provides stable voltage for devices such as audio equipment and cameras.
4. Lighting Applications: Used in LED drivers for consistent illumination.
5. Industrial Equipment: Supplies power to control systems and instrumentation.
Overall, it is favored for its simplicity and reliability in low to moderate power applications.
Package
The L78M09ABDT is typically available in a TO-220 package type. This package features a metal tab for heat dissipation, allowing for efficient thermal performance in voltage regulator applications.
