LM2674MX-3.3/NOPB – TEXAS INSTRUMENTS

The LM2674MX-3.3/NOPB is a 3.3V, 1A synchronous step-down switching regulator from Texas Instruments, packaged in a space-saving 6-pin SOT-23-6 (NOPB – no lead, surface mount) package. It features a fixed output voltage of 3.3V, requiring minimal external components for operation. Input voltage typically ranges from 4.75V to 12V, making it suitable for a variety of battery-powered and line-powered applications. The device boasts high efficiency, typically exceeding 90% at its nominal output current, reducing power loss and extending battery life._x000D_
_x000D_
Internal compensation simplifies design, eliminating the need for external compensation components. The LM2674MX-3.3/NOPB incorporates features such as soft-start and overcurrent protection, enhancing system stability and reliability. Common applications include powering microcontrollers, digital signal processors, and other low-power digital logic circuits where a regulated 3.3V supply is required. Its small size and high efficiency make it ideal for space-constrained portable devices and battery-powered systems demanding high energy efficiency. The absence of lead improves solderability and simplifies automated assembly. However, designers should note the relatively low output current limit.