onsemi

KA78L08AZBU

KA78L08AZBU Description

The KA78L08AZBU is a fixed output linear voltage regulator designed to deliver a stable 8V output voltage with a maximum output current of 100mA. Manufactured by onsemi, this regulator is housed in a TO92-3 package and is suitable for through-hole mounting. It features a maximum input voltage of 30V, ensuring compatibility with a wide range of input power sources. The regulator is designed with a quiescent current of 5.5 mA, which helps in minimizing power consumption during operation. Additionally, it offers a high power supply rejection ratio (PSRR) of 70dB at 120Hz, ensuring excellent noise filtering and stable output voltage under varying input conditions.

KA78L08AZBU Features

• Fixed Output Voltage: Provides a stable 8V output, ideal for applications requiring a precise and consistent power supply.
• High Input Voltage Range: Capable of handling input voltages up to 30V, making it versatile for various power supply configurations.
• Low Quiescent Current: At 5.5 mA, the regulator minimizes power loss, enhancing efficiency in low-power applications.
• High PSRR: A 70dB PSRR at 120Hz ensures minimal noise and ripple on the output voltage, contributing to stable and clean power delivery.
• Protection Features: Equipped with over-temperature and short-circuit protection, the KA78L08AZBU safeguards against common operational hazards, enhancing reliability and longevity.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the regulator is suitable for storage and handling in various environmental conditions without additional moisture protection.
• Compliance: The KA78L08AZBU is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

KA78L08AZBU Applications

The KA78L08AZBU is ideal for a variety of applications where a stable 8V power supply is required. Its low quiescent current and high PSRR make it particularly suitable for low-power and noise-sensitive applications. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices and peripherals that require a stable 8V supply.
• Industrial Control Systems: Provides reliable power for sensors, actuators, and other control components in industrial environments.
• Medical Devices: Suitable for powering low-power medical equipment where stable and clean power supply is crucial.
• Telecommunications: Can be used in low-power communication modules and devices requiring a precise voltage regulation.

Conclusion of KA78L08AZBU

The KA78L08AZBU is a robust and reliable linear voltage regulator that offers a stable 8V output with a maximum current of 100mA. Its high input voltage range, low quiescent current, and high PSRR make it an excellent choice for a variety of applications. The inclusion of over-temperature and short-circuit protection ensures enhanced reliability and longevity. Despite being marked as obsolete, the KA78L08AZBU remains a valuable component for applications requiring a precise and stable power supply. Its compliance with international regulations and standards further solidifies its position as a dependable choice in the electronics industry.