onsemi

KA78L09AZTA

KA78L09AZTA DescriptionThe

KA78L09AZTA is a linear regulator IC designed for applications requiring a stable 9V output voltage and a maximum output current of 100mA. Manufactured by onsemi, this device is part of the Power Management (PMIC) category and is housed in a Through Hole TO92-3 package. Despite being marked as obsolete, the KA78L09AZTA remains a reliable choice for applications needing a fixed positive output configuration.

KA78L09AZTA Features

• Output Type: Fixed, ensuring a consistent 9V voltage output.
• Input Voltage Range: Capable of handling input voltages up to 30V, providing flexibility in power supply design.
• Output Current: Delivers a steady 100mA, suitable for low-power applications.
• Protection Features: Equipped with over-temperature and short-circuit protection, enhancing reliability and safety.
• Low Quiescent Current: Operates with a quiescent current of only 6mA, minimizing power consumption during standby.
• High PSRR: Achie aves power supply rejection ratio (PSRR) of 44dB at 120Hz, ensuring minimal noise in the output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for a wide range of environmental conditions.
• Compliance: REACH unaffected and ECCN classified as EAR99, ensuring compliance with international regulations.
• Packaging: Available in Cut Tape (CT) packaging, facilitating easy handling and integration into manufacturing processes.

KA78L09AZTA Applications

The KA78L09AZTA is ideal for a variety of applications where a stable 9V supply is required. Its low quiescent current and protection features make it particularly suitable for battery-operated devices and low-power consumer electronics. Specific use cases include:

• Battery Chargers: Provides a stable voltage for charging batteries, ensuring efficient and safe charging cycles.
• Portable Devices: Ideal for small, portable electronic devices that require a reliable power source without significant power draw.
• Consumer Electronics: Suitable for applications such as radios, MP3 players, and other low-power consumer devices.
• Industrial Controls: Can be used in control systems where a stable, low-power supply is necessary for reliable operation.

Conclusion of KA78L09AZTA

The KA78L09AZTA from onsemi is a robust linear regulator IC with a fixed 9V output and a maximum output current of 100mA. Its low quiescent current, high PSRR, and comprehensive protection features make it a reliable choice for low-power applications. Despite its obsolete status, the KA78L09AZTA remains a viable option for designers needing a stable, low-power supply in a Through Hole TO92-3 package. Its compliance with international regulations and availability in Cut Tape packaging further enhance its appeal for various industrial and consumer applications.