Texas Instruments

LM3674MF-1.2/NOPB  

DC Switching Voltage Regulators

LM3674MF-1.2/NOPB Description

The LM3674MF-1.2/NOPB is a high-efficiency, fixed-output 1.2V, 600mA synchronous buck regulator from Texas Instruments, designed for compact, power-sensitive applications. Operating over a 2.7V to 5.5V input range, it integrates a 2MHz switching frequency, enabling the use of tiny external components while minimizing output ripple. Packaged in a SOT23-5 form factor, this device is ideal for space-constrained designs. Its synchronous rectification ensures high efficiency (up to 95%), reducing thermal dissipation. Compliant with ROHS3 and REACH standards, it is suitable for environmentally conscious applications.

LM3674MF-1.2/NOPB Features

• Fixed 1.2V Output: Precision-regulated voltage for stable power delivery.
• Wide Input Range (2.7V–5.5V): Supports Li-ion, 3.3V, or 5V input rails.
• High Efficiency (Up to 95%): Synchronous topology minimizes power loss.
• 2MHz Switching Frequency: Reduces inductor/capacitor size, saving board space.
• 600mA Continuous Output Current: Robust for low-power embedded systems.
• SOT23-5 Package: Ultra-compact footprint for portable devices.
• Low Quiescent Current (17µA): Enhances battery life in always-on applications.
• Thermal Shutdown & Current Limit: Protects against overloads and overheating.

LM3674MF-1.2/NOPB Applications

• Portable Electronics: Smartphones, wearables, and IoT sensors benefit from its small size and efficiency.
• Embedded Systems: Ideal for microcontrollers, FPGAs, and DSPs requiring clean 1.2V rails.
• Battery-Powered Devices: Extends runtime in handheld instruments and wireless modules.
• Point-of-Load (PoL) Regulation: Provides localized voltage conversion in distributed power architectures.
• Industrial Sensors: Reliable performance in harsh environments due to robust thermal management.

Conclusion of LM3674MF-1.2/NOPB

The LM3674MF-1.2/NOPB stands out for its miniaturized design, high efficiency, and reliability, making it a top choice for modern low-power electronics. Its synchronous buck topology, wide input range, and integrated protections offer a superior alternative to older LDOs or non-synchronous regulators. Whether for consumer gadgets or industrial systems, this regulator delivers optimal performance with minimal footprint, aligning with trends toward energy-efficient, compact power solutions.

LM3674MF-1.2/NOPB Documents

Download datasheets and manufacturer documentation for LM3674MF-1.2/NOPB

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LM3674      

PCN Packaging :

Pin One Dot 07/Jan/2019      

Design Resources :

LM3674 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM3674      

PCN Design/Specification :

Cu Wire 21/Mar/2017