The SP34063AEN-L is a monolithic step-up/down/inverting switching regulator manufactured by Exar Corporation. It is designed for use in a wide variety of DC-DC converter applications. This versatile regulator integrates all the primary functions needed to implement step-up, step-down, and voltage-inverting converters with a minimal number of external components.

Applications

• DC-DC converters
• Step-up voltage regulators
• Step-down voltage regulators
• Voltage inverters
• Power supplies for microcontrollers

Features

• Operating voltage range: 3.0V to 40V
• Output switch current: 1.5A
• Adjustable output voltage
• Low standby current
• Current limiting
• Internal thermal overload protection

Benefits

• Simplifies DC-DC converter design
• Reduces the number of external components
• Provides a wide input voltage range
• Offers adjustable output voltage
• Provides robust protection features

Additional Details

The SP34063AEN-L operates at a fixed frequency and utilizes a current-limiting architecture to provide stable and efficient power conversion. The adjustable output voltage is achieved through the use of external resistors, allowing for flexibility in design. The internal thermal overload protection and current limiting features protect the regulator and the connected circuitry from damage. The SP34063AEN-L is available in a variety of package options, making it suitable for a wide range of applications. Exar Corporation is known for its high-quality analog and mixed-signal integrated circuits, and the SP34063AEN-L is a testament to their commitment to providing reliable and versatile power management solutions. The datasheet provides detailed specifications and application notes to aid in the design of DC-DC converters. Its integrated design reduces board space requirements and simplifies assembly processes.

The internal oscillator frequency is typically fixed, but can sometimes be adjusted using external components, depending on the application. Proper layout and component selection are crucial for achieving optimal performance and stability. The SP34063AEN-L is a widely used and well-documented regulator, making it a popular choice for both hobbyists and professional engineers.