Texas Instruments

UA78L09ACPKE6

UA78L09ACPKE6 Description

The UA78L09ACPKE6 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 9V with a maximum output current of 100mA. This regulator is housed in a Surface Mount SOT89-3 package, making it suitable for compact and space-constrained applications. The device is designed to operate within an input voltage range up to 24V, ensuring robust performance across a variety of power supply conditions. With a dropout voltage of 1.7V at 40mA, the UA78L09ACPKE6 provides efficient regulation even at lower input-to-output voltage differentials.

UA78L09ACPKE6 Features

• Fixed Output Voltage: The UA78L09ACPKE6 provides a stable 9V output voltage, ensuring consistent power delivery to connected devices.
• High Input Voltage Range: Capable of handling input voltages up to 24V, this regulator is versatile and can be used in a wide range of applications.
• Low Dropout Voltage: With a maximum dropout voltage of 1.7V at 40mA, the regulator maintains efficiency even when the input voltage is close to the output voltage.
• Protection Features: The device includes over current, over temperature, reverse polarity, and short circuit protection, enhancing reliability and durability.
• Operating Temperature Range: The UA78L09ACPKE6 operates reliably within a temperature range of 0°C to 125°C, making it suitable for both industrial and consumer applications.
• Power Supply Rejection Ratio (PSRR): The regulator offers a PSRR of 45dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. It is available in a Tape & Reel (TR) package, facilitating easy handling and integration into automated assembly processes.

UA78L09ACPKE6 Applications

The UA78L09ACPKE6 is ideal for applications requiring a stable 9V supply with limited space and high reliability. Some specific use cases include:

• Consumer Electronics: Ideal for powering small devices such as portable radios, MP3 players, and other battery-operated gadgets.
• Industrial Control Systems: Suitable for powering sensors, actuators, and other low-power components in industrial environments.
• Automotive Electronics: Can be used in automotive applications where a stable 9V supply is needed for various electronic modules.
• Medical Devices: Applicable in medical equipment where a reliable and low-noise power supply is crucial for accurate performance.

Conclusion of UA78L09ACPKE6

The UA78L09ACPKE6 from Texas Instruments is a robust and versatile linear voltage regulator designed to meet the demands of modern electronic systems. Its fixed 9V output, wide input voltage range, and low dropout voltage make it an efficient and reliable choice for a variety of applications. The inclusion of comprehensive protection features ensures durability and safety, while its compliance with environmental standards and compact SOT89-3 package make it suitable for both industrial and consumer applications. Whether powering consumer devices, industrial controls, or automotive electronics, the UA78L09ACPKE6 offers a reliable and efficient power management solution.