Texas Instruments

LM3670MF-1.8

LM3670MF-1.8 Description

The LM3670MF-1.8 is a fixed-output, positive buck regulator designed by Texas Instruments. It offers a robust solution for power management applications, delivering a consistent 1.8V output voltage with a maximum output current of 350mA. This regulator operates within an input voltage range of 2.5V to 5.5V, making it suitable for a variety of low-voltage systems. The LM3670MF-1.8 features a switching frequency of 1MHz, which allows for the use of small external components without compromising efficiency. It also includes a synchronous rectifier, enhancing its performance and efficiency. The regulator is housed in a compact SOT23-5 package, ideal for surface-mount applications. Despite its small form factor, the LM3670MF-1.8 maintains high performance and reliability, making it a valuable component for modern electronic designs. However, it is important to note that this product is now obsolete, and engineers should consider alternative solutions for new designs.

LM3670MF-1.8 Features

• Fixed Output Voltage: The LM3670MF-1.8 provides a stable 1.8V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 2.5V to 5.5V, this regulator can accommodate various power sources, enhancing its versatility.
• High Efficiency: The 1MHz switching frequency and synchronous rectifier design contribute to high efficiency, minimizing power loss and improving overall system performance.
• Compact Design: The SOT23-5 package allows for easy integration into space-constrained designs, making it suitable for a wide range of applications.
• Surface-Mount Technology: The surface-mount mounting type ensures reliable and durable connections, suitable for automated assembly processes.
• Moisture Sensitivity Level 1: The MSL 1 rating indicates that the component is not moisture-sensitive, reducing the risk of damage during assembly and storage.
• REACH Compliance: The LM3670MF-1.8 is REACH unaffected, ensuring compliance with environmental regulations and standards.

LM3670MF-1.8 Applications

The LM3670MF-1.8 is ideal for applications requiring a stable 1.8V power supply with a maximum output current of 350mA. Its compact size and high efficiency make it suitable for:

• Mobile Devices: Providing power to low-voltage components in smartphones, tablets, and other portable electronics.
• Wearable Technology: Ensuring reliable power delivery in compact wearable devices such as fitness trackers and smartwatches.
• IoT Devices: Supplying power to sensors and microcontrollers in Internet of Things (IoT) applications.
• Embedded Systems: Offering efficient power management in embedded systems where space and power efficiency are critical.

Conclusion of LM3670MF-1.8

The LM3670MF-1.8 is a high-performance buck regulator that offers a stable 1.8V output with a maximum current of 350mA. Its wide input voltage range, high efficiency, and compact design make it a versatile solution for various low-voltage applications. The synchronous rectifier and 1MHz switching frequency ensure optimal performance, while the SOT23-5 package allows for easy integration into space-constrained designs. Although the LM3670MF-1.8 is now obsolete, it remains a testament to Texas Instruments' commitment to delivering reliable and efficient power management solutions. Engineers looking for similar performance should consider alternative models from Texas Instruments' extensive portfolio.