Texas Instruments

LM2647MTC

LM2647MTC Description

The LM2647MTC is a high-performance Buck converter controller designed for demanding power management applications. Manufactured by Texas Instruments, this obsolete yet highly reliable device offers a comprehensive set of features tailored for efficient power conversion. The LM2647MTC operates within a wide input voltage range of 5.5V to 28V, making it suitable for a variety of power supply applications. It supports a switching frequency range of 200kHz to 500kHz, enabling flexible design options and high efficiency.

LM2647MTC Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 200kHz to 500kHz
• Voltage - Supply (Vcc/Vdd): 5.5V to 28V
• Synchronous Rectifier: Yes
• Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start
• Duty Cycle (Max): 75%
• Output Phases: 2
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• Mounting Type: Surface Mount
• Package: Tube
• Base Product Number: LM2647

The LM2647MTC stands out with its synchronous rectifier feature, which enhances efficiency and reduces power loss. The device also includes robust control features such as current limit, enable, frequency control, power good, and soft start, ensuring reliable operation and protection against various fault conditions. The wide switching frequency range allows for optimization of both efficiency and electromagnetic interference (EMI) performance.

LM2647MTC Applications

The LM2647MTC is ideal for applications requiring high efficiency and reliability in power conversion. Its wide input voltage range and flexible switching frequency make it suitable for a variety of power supply designs, including:

• Telecommunications Equipment: Powering base stations and network infrastructure.
• Industrial Systems: Providing stable power for PLCs and automation equipment.
• Medical Devices: Ensuring reliable power for critical medical equipment.
• High-End Consumer Electronics: Powering gaming consoles and high-performance PCs.

The LM2647MTC's synchronous rectification and comprehensive control features make it particularly advantageous in applications where efficiency and power density are critical. Its surface mount package and moisture sensitivity level of 3 ensure ease of integration and reliability in various environmental conditions.

Conclusion of LM2647MTC

The LM2647MTC from Texas Instruments is a versatile Buck converter controller that offers a wide range of features and benefits for power management applications. Despite being obsolete, its robust design and high performance make it a reliable choice for engineers seeking efficient power conversion solutions. With its wide input voltage range, flexible switching frequency, and advanced control features, the LM2647MTC is well-suited for a variety of demanding applications in telecommunications, industrial systems, medical devices, and high-end consumer electronics.