Diodes Incorporated

AS78L12R-E1

AS78L12R-E1 Description

The AS78L12R-E1 is a fixed positive output voltage regulator designed by Diodes Incorporated, a leading manufacturer in the power management integrated circuit (PMIC) category. This IC chip is specifically engineered to provide stable and efficient power regulation in a variety of electronic applications. With a maximum input voltage of 36V and a quiescent current of 6mA, the AS78L12R-E1 is optimized for low power consumption and high performance. The regulator is capable of delivering a fixed output voltage of 12V with a maximum output current of 100mA, making it suitable for applications requiring a stable power supply.

AS78L12R-E1 Features

The AS78L12R-E1 boasts several key features that set it apart from similar models in the market:

• Low Dropout Voltage: With a maximum dropout voltage of 1.8V at 100mA, the AS78L12R-E1 ensures efficient power conversion even when the input voltage is close to the output voltage.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 42dB at 120Hz, effectively filtering out noise from the input supply and providing a clean output voltage.
• Protection Features: The AS78L12R-E1 includes over-current, over-temperature, and short-circuit protection, safeguarding the device and connected circuits from potential damage.
• Surface Mount Technology: The regulator is designed for surface mount applications, making it ideal for compact and high-density PCB designs.
• ROHS3 Compliant: The AS78L12R-E1 meets the stringent environmental standards of ROHS3, ensuring it is free from hazardous substances and suitable for environmentally conscious applications.

AS78L12R-E1 Applications

The AS78L12R-E1 is well-suited for a range of applications where a stable and efficient power supply is crucial. Some specific use cases include:

• Consumer Electronics: Ideal for powering small electronic devices such as portable audio equipment, handheld gaming consoles, and other battery-operated gadgets that require a stable 12V supply.
• Automotive Electronics: Suitable for automotive applications where a reliable power source is needed for various electronic components, ensuring consistent performance even under varying load conditions.
• Industrial Control Systems: The regulator can be used in industrial control panels and automation systems, providing a stable power supply for critical components and ensuring reliable operation.
• Telecommunications: The AS78L12R-E1 can be employed in telecom equipment, such as routers and switches, where a stable power supply is essential for maintaining communication integrity.

Conclusion of AS78L12R-E1

The AS78L12R-E1 is a robust and efficient fixed positive voltage regulator that offers a combination of low dropout voltage, high PSRR, and comprehensive protection features. Its surface mount design and ROHS3 compliance make it an ideal choice for modern electronic applications. While the product is now obsolete, it remains a testament to Diodes Incorporated's commitment to delivering high-quality power management solutions. For applications requiring a stable 12V supply with efficient power conversion and robust protection, the AS78L12R-E1 is a reliable option.