Texas Instruments

UA78L09ACDRE4

UA78L09ACDRE4 Description

The UA78L09ACDRE4 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a stable 9V output voltage with a maximum input voltage of 24V. This regulator is capable of delivering up to 100mA of output current, making it suitable for a variety of low-power applications. The device features a dropout voltage of 1.7V at 40mA, ensuring efficient operation even at lower input voltages. The UA78L09ACDRE4 is housed in an 8SOIC package, which is ideal for surface-mount applications and provides a compact footprint for space-constrained designs.

UA78L09ACDRE4 Features

• Fixed Output Voltage: The UA78L09ACDRE4 provides a stable 9V output, ensuring consistent power supply for downstream components.
• High Input Voltage Range: With a maximum input voltage of 24V, this regulator can accommodate a wide range of input sources, enhancing its versatility.
• Low Dropout Voltage: The 1.7V dropout voltage at 40mA ensures efficient operation, reducing power loss and improving overall system efficiency.
• Over-Current and Over-Temperature Protection: Built-in protection features safeguard the regulator and connected components from damage due to over-current and over-temperature conditions.
• Reverse Polarity and Short-Circuit Protection: These additional protections ensure robustness and reliability, making the regulator suitable for demanding applications.
• Surface-Mount Package: The 8SOIC package is designed for surface-mount technology, facilitating easy integration into modern PCB designs.
• Wide Operating Temperature Range: The regulator operates reliably over a temperature range of 0°C to 125°C, making it suitable for both commercial and industrial applications.
• Compliance: The UA78L09ACDRE4 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.

UA78L09ACDRE4 Applications

The UA78L09ACDRE4 is ideal for a variety of applications where a stable 9V supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering low-power devices such as portable audio equipment, small appliances, and battery chargers.
• Industrial Control Systems: Suitable for providing stable power to sensors, actuators, and control circuits in industrial environments.
• Telecommunications: Can be used in low-power communication modules and IoT devices where reliability and efficiency are critical.
• Medical Devices: Applicable in medical equipment that requires a stable power supply, ensuring consistent performance and reliability.
• Automotive Electronics: Suitable for in-vehicle electronic systems where a stable 9V supply is needed for various components.

Conclusion of UA78L09ACDRE4

The UA78L09ACDRE4 from Texas Instruments is a robust and efficient linear voltage regulator designed to provide a stable 9V output with a maximum input voltage of 24V. Its low dropout voltage, comprehensive protection features, and wide operating temperature range make it a reliable choice for a variety of applications. The surface-mount package ensures easy integration into modern PCB designs, while compliance with REACH and RoHS3 standards ensures it meets environmental and regulatory requirements. The UA78L09ACDRE4 is an excellent choice for engineers looking for a reliable and efficient power solution for their low-power applications.