The LM22679TJE-ADJ is a SIMPLE SWITCHER® step-down voltage regulator from Texas Instruments (formerly National Semiconductor). It is designed for ease of use and provides efficient voltage conversion with minimal external components. The adjustable output voltage feature allows for flexible configuration to meet specific application requirements.

Applications

• Point-of-load regulation
• Industrial power supplies
• Automotive power supplies
• Battery-powered systems
• FPGA and processor core power

Features

• Adjustable output voltage: Allows for flexible voltage configuration.
• Wide input voltage range: Accommodates various power sources.
• High efficiency: Reduces power dissipation and improves system performance.
• Integrated MOSFET: Simplifies design and reduces component count.
• Overcurrent protection: Protects the regulator and downstream circuitry.
• Thermal shutdown: Prevents damage from overheating.
• SIMPLE SWITCHER® architecture: Easy to use with minimal external components.

Benefits

• Simplified design process due to integrated features.
• Reduced board space requirements with minimal external components.
• Improved energy efficiency lowers operating costs and extends battery life.
• Enhanced system reliability through built-in protection features.
• Flexible voltage configuration adapts to various application needs.

Additional Details

The LM22679TJE-ADJ step-down regulator is commonly used in applications requiring a stable and efficient power supply. Its wide input voltage range makes it suitable for various power sources, while the adjustable output voltage allows for precise voltage regulation. The integrated MOSFET and SIMPLE SWITCHER® architecture minimize external component requirements, simplifying the design process and reducing board space. The device also includes overcurrent protection and thermal shutdown features to enhance system reliability. The small size of the regulator package and the ease of use make it ideal for modern high-density applications requiring efficient and reliable power management.

Technical Specifications (Typical):

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: Adjustable, down to 1.285V
• Output Current: Up to 5A
• Switching Frequency: 500 kHz
• Efficiency: Up to 95%
• Operating Temperature: -40°C to +125°C
• Package: TO-263-7