Texas Instruments

UA78L05CPKG3

UA78L05CPKG3 Description

The UA78L05CPKG3 is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 100mA. This device is part of the Power Management IC (PMIC) category and is housed in a Surface Mount SOT89-3 package, making it suitable for compact and efficient power supply solutions. The regulator supports an input voltage range up to 20V and features a dropout voltage of 1.7V at 40mA, ensuring stable operation even under varying input conditions.

UA78L05CPKG3 Features

• Fixed Output Voltage: The UA78L05CPKG3 provides a stable 5V output, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 20V, this regulator can handle a wide range of input sources, enhancing its versatility.
• Low Dropout Voltage: At 1.7V dropout at 40mA, the UA78L05CPKG3 ensures efficient power conversion even at lower input voltages.
• Protection Features: Over-current, over-temperature, reverse polarity, and short-circuit protection ensure robustness and reliability in various operating conditions.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 49dB at 120Hz helps in filtering out noise from the input power supply, resulting in a cleaner output voltage.
• Compliance and Safety: The device is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: MSL 2 (1 Year) indicates that the component is suitable for use in environments with moderate humidity levels.
• Operating Temperature Range: The wide operating temperature range of 0°C to 125°C makes it suitable for both commercial and industrial applications.
• Packaging: Available in a Tape & Reel (TR) package, facilitating easy handling and integration into automated assembly processes.

UA78L05CPKG3 Applications

The UA78L05CPKG3 is ideal for a variety of applications where a stable 5V power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Suitable for industrial control systems, where a reliable and stable power supply is crucial.
• Telecommunications: Can be used in telecom equipment for powering various modules and components.
• Automotive: Applicable in automotive electronics for powering onboard systems and accessories.
• Medical Devices: Suitable for medical equipment where a stable and reliable power supply is essential for accurate operation.

Conclusion of UA78L05CPKG3

The UA78L05CPKG3 from Texas Instruments stands out as a reliable and efficient linear voltage regulator, offering a stable 5V output with robust protection features and a wide input voltage range. Its low dropout voltage and high PSRR make it an excellent choice for applications requiring clean and efficient power conversion. The device's compliance with environmental and safety standards, along with its suitable operating temperature range, further enhance its appeal for various industrial and consumer applications. Whether used in consumer electronics, industrial equipment, or automotive systems, the UA78L05CPKG3 ensures stable and reliable power delivery, making it a preferred choice for engineers and designers.