The LM2619ATL is a synchronous buck regulator designed by National Semiconductor, now part of Texas Instruments (TI). This regulator is a highly efficient step-down DC-DC converter capable of providing a stable output voltage from a higher input voltage.

Applications:

• Point-of-load regulation in servers and workstations
• DC-DC converters for telecom equipment
• Power supplies for industrial equipment
• Voltage regulators for FPGA and DSP applications
• Portable devices

Features:

• High efficiency: Up to 95% efficiency reduces power dissipation and heat generation.
• Wide input voltage range: Accommodates various power source voltages.
• Adjustable output voltage: Allows for flexible voltage regulation.
• Synchronous rectification: Improves efficiency and reduces switching losses.
• Current mode control: Provides excellent line and load regulation.
• Overcurrent and overtemperature protection: Protects the regulator and load from damage.

Benefits:

• Reduced power consumption and improved thermal performance due to high efficiency.
• Versatile application due to wide input voltage range.
• Precise voltage regulation to meet specific application requirements.
• Enhanced system reliability with built-in protection features.
• Simplified design with integrated synchronous rectification.

Technical Specifications:

The LM2619ATL typically operates with an input voltage range of 4.5V to 26V. The output voltage can be adjusted using external resistors. The switching frequency is typically around 500kHz. It provides overcurrent and overtemperature protection, shutting down the regulator in case of a fault condition. It's typically available in a TSSOP package. The operating temperature range is generally -40°C to +125°C.

The LM2619ATL is a high-performance synchronous buck regulator, offering high efficiency, wide input voltage range, and robust protection features for various power supply applications.