Texas Instruments

LM2673SX-ADJ/NOPB  

DC Switching Voltage Regulators

The LM2673SX-ADJ/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a wide range of input voltages. The device is available in a small, thermally-optimized, 10-pin MSOP package.

Description:

The LM2673SX-ADJ/NOPB is a highly integrated solution that offers a wide input voltage range of 4V to 40V and a wide output voltage range of 0.9V to 40V. It features a high efficiency of up to 96% and a low quiescent current of 35µA in normal operation mode.

Features:

1. High Efficiency: The LM2673SX-ADJ/NOPB offers high efficiency up to 96%, which helps to minimize power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can operate with input voltages ranging from 4V to 40V, making it suitable for a wide range of applications.
3. Wide Output Voltage Range: The output voltage can be adjusted from 0.9V to 40V, providing flexibility for various applications.
4. Low Quiescent Current: The device has a low quiescent current of 35µA in normal operation mode, which helps to minimize power consumption in battery-powered applications.
5. Synchronous Rectification: The LM2673SX-ADJ/NOPB uses synchronous rectification to improve efficiency and reduce power dissipation.
6. Thermal Protection: The device features thermal shutdown and over-temperature protection to ensure safe operation and prevent damage due to overheating.
7. Small Package: The 10-pin MSOP package is compact and thermally-optimized for easy integration into space-constrained applications.

Applications:

1. Portable Devices: The LM2673SX-ADJ/NOPB is ideal for use in battery-powered portable devices, such as smartphones, tablets, and wearables, where efficiency and low power consumption are critical.
2. Power Supplies: The device can be used in a wide range of power supply applications, including USB power delivery, AC/DC adapters, and battery chargers.
3. Industrial Equipment: The LM2673SX-ADJ/NOPB can be used in industrial equipment that requires a stable and regulated output voltage from a wide range of input voltages.
4. LED Lighting: The device can be used in LED lighting applications to provide a stable and efficient power supply for the LEDs.
5. Medical Devices: The LM2673SX-ADJ/NOPB can be used in medical devices that require a stable and regulated power supply with low quiescent current.

In summary, the LM2673SX-ADJ/NOPB is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, wide output voltage range, low quiescent current, and thermal protection. It is suitable for a variety of applications, including portable devices, power supplies, industrial equipment, LED lighting, and medical devices.

LM2673SX-ADJ/NOPB Documents

Download datasheets and manufacturer documentation for LM2673SX-ADJ/NOPB

PCN Assembly/Origin :

LMDMOS devices 23/Mar/2018      

Datasheets :

LM2673 Datasheet      

Design Resources :

LM2673 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM2673 Datasheet