Texas Instruments

LM2743MTCX

LM2743MTCX Description

The LM2743MTCX is a highly integrated buck regulator controller designed by Texas Instruments, aimed at delivering efficient power management solutions in a compact form factor. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a 14-TSSOP package, making it suitable for surface-mount applications. Despite being marked as obsolete, the LM2743MTCX remains a reliable choice for specific legacy systems and applications where its unique features are still highly valued.

The LM2743MTCX operates within a supply voltage range of 3V to 6V and supports a wide switching frequency range from 50kHz to 1MHz, offering flexibility in design and optimization for various power delivery requirements. It features a synchronous rectifier, which significantly enhances efficiency and reduces power loss, making it ideal for high-performance applications. The device also supports a maximum duty cycle of 80%, ensuring robust performance across a broad range of operating conditions.

LM2743MTCX Features

• Output Type: Transistor Driver
• Output Configuration: Positive
• Frequency - Switching: 50kHz to 1MHz
  -Voltage ** - Supply (Vcc/Vdd)**: 3V to 6V
• Synchronous Rectifier: Yes
• Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
• Duty Cycle (Max): 80%
• Output Phases: 1
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package: Tape & Reel (TR)
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Topology: Buck
• Clock Sync: No
• Number of Outputs: 1

LM2743MTCX Applications

The LM2743MTCX is particularly well-suited for applications requiring high efficiency and compact design, such as:

• Telecommunications Equipment: Powering base stations and networking devices where space is limited and efficiency is critical.
• Industrial Systems: Providing reliable power management for control systems and automation equipment.
• Consumer Electronics: Ideal for devices like smartphones, tablets, and laptops that demand efficient power delivery and minimal footprint-.
  Automotive Electronics: Suitable for in-vehicle infotainment systems and electronic control units where high reliability and efficiency are paramount.

Conclusion of LM2743MTCX

The LM2743MTCX from Texas Instruments stands out as a versatile and efficient buck regulator controller, offering a comprehensive set of features tailored for high-performance power management applications. Its wide operating frequency range, synchronous rectification, and advanced control features make it a robust solution for a variety of industries. Despite its obsolete status, the LM2743MTCX remains a reliable option for legacy systems and specific applications where its unique capabilities continue to provide significant benefits.