onsemi

KA78L12AD

KA78L12AD Description

The KA78L12AD is a fixed linear regulator designed for applications requiring a stable 12V output voltage and a maximum output current of 100mA. Manufactured by onsemi, this regulator is part of the Power Management Integrated Circuit (PMIC) category. It features a maximum input voltage of 35V, ensuring compatibility with a wide range of input power sources. The KA78L12AD operates within a temperature range of 0°C to 125°C, making it suitable for various industrial and commercial environments. The regulator is housed in an 8SOIC package, which is ideal for surface-mount applications, providing a compact and reliable solution for space-constrained designs.

KA78L12AD Features

• Output Type: Fixed, providing a consistent 12V output voltage.
• Input Voltage Range: Up to 35V, offering flexibility in input power sources.
• Output Current: Capable of delivering up to 100mA, suitable for low-power applications.
• Low Quiescent Current: Only 6mA, which minimizes power consumption during operation.
• High PSRR: 65dB at 120Hz, ensuring excellent noise rejection and stable output voltage.
• Protection Features: Includes over-temperature and short-circuit protection, enhancing reliability and longevity.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating high resistance to moisture and suitable for various environmental conditions.
• Mounting Type: Surface Mount, ideal for compact and high-density PCB designs.
• Package: Supplied in a tube, facilitating easy handling and storage.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and health regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating accurate customs classification.

KA78L12AD Applications

The KA78L12AD is ideal for a variety of applications where a stable 12V supply and low power consumption are critical. Its compact 8SOIC package and surface-mount design make it suitable for space-constrained PCB layouts. The regulator's high PSRR and low quiescent current ensure efficient power management and minimal noise interference, making it perfect for sensitive electronic circuits. Applications include:

• Consumer Electronics: Portable devices, battery chargers, and low-power peripherals.
• Industrial Equipment: Control systems, sensors, and instrumentation requiring stable power.
• Telecommunications: Base stations, routers, and other networking equipment.
• Automotive: In-vehicle electronics, infotainment systems, and auxiliary power supplies.

Conclusion of KA78L12AD

The KA78L12AD is a robust and reliable linear regulator that offers a stable 12V output with a maximum current of 100mA. Its high PSRR and low quiescent current make it an efficient choice for low-power applications, while its compact 8SOIC package and surface-mount design ensure it fits seamlessly into modern PCB layouts. The inclusion of over-temperature and short-circuit protection features enhances its reliability and longevity. Despite being marked as obsolete, the KA78L12AD remains a viable option for applications requiring a stable and efficient power supply. Its compliance with REACH and ECCN regulations ensures it meets environmental and export standards, making it a suitable choice for a wide range of industries.