Texas Instruments

LM3489QMMX/NOPB  

DC DC Switching Controllers

LM3489QMMX/NOPB Description

The LM3489QMMX/NOPB is a high-performance buck regulator controller designed for automotive applications, offering robust power management capabilities. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-VSSOP package. It features a wide input voltage range of 4.5V to 35V, making it suitable for various automotive power systems. The LM3489QMMX/NOPB supports switching frequencies up to 1MHz, ensuring efficient power conversion and minimal electromagnetic interference (EMI). The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. With a moisture sensitivity level (MSL) of 1, it is suitable for surface mount applications without requiring special handling precautions.

LM3489QMMX/NOPB Features

The LM3489QMMX/NOPB boasts several unique features that set it apart from similar models in the market:

• Transistor Driver Output Type: Provides a positive output configuration, ideal for driving external N-channel MOSFETs.
• Current Limit and Enable Control Features: These features enhance system reliability and flexibility, allowing precise control over the power delivery.
• 100% Duty Cycle Capability: Ensures maximum efficiency and output voltage regulation, even under heavy load conditions.
• Single Output Phase: Simplifies design complexity while maintaining high performance.
• Automotive Grade: Certified for use in automotive applications, ensuring high reliability and durability under demanding conditions.
• Surface Mount Technology: Facilitates easy integration into compact and high-density PCB designs.
• Tape & Reel Packaging: Ideal for automated assembly processes, ensuring consistent and reliable production.

LM3489QMMX/NOPB Applications

The LM3489QMMX/NOPB is particularly well-suited for automotive applications where reliability, efficiency, and compact design are paramount. Specific use cases include:

• Automotive Power Supplies: Ideal for powering electronic control units (ECUs), infotainment systems, and advanced driver-assistance systems (ADAS).
• Industrial Control Systems: Suitable for applications requiring high efficiency and robust power management.
• Telecommunications: Can be used in base station power supplies and other telecom equipment where reliable power conversion is essential.
• Consumer Electronics: Applicable in high-end consumer devices that demand efficient power management and compact design.

Conclusion of LM3489QMMX/NOPB

The LM3489QMMX/NOPB from Texas Instruments is a versatile and reliable buck regulator controller tailored for automotive and industrial applications. Its wide input voltage range, high switching frequency, and automotive-grade certification make it a standout choice for demanding power management needs. With features such as current limit, enable control, and 100% duty cycle capability, the LM3489QMMX/NOPB offers superior performance and flexibility. Its surface mount packaging and tape & reel format ensure ease of integration into modern manufacturing processes. For engineers and designers seeking a robust, efficient, and environmentally friendly power management solution, the LM3489QMMX/NOPB is an excellent choice.

LM3489QMMX/NOPB Documents

Download datasheets and manufacturer documentation for LM3489QMMX/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification 2024-07-26 (PDF)