Texas Instruments

LM2678T-ADJ/NOPB

The LM2678T-ADJ/NOPB is a high-performance step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The LM2678T-ADJ/NOPB is a synchronous buck regulator that can operate from an input voltage range of 4.5V to 38V. It has a fixed 5V output with an adjustable output current up to 3A. The device is available in a thermally enhanced 5-pin TSOT-23 package.

Features:

1. Wide input voltage range: 4.5V to 38V
2. Fixed 5V output with adjustable output current up to 3A
3. High efficiency: up to 96% depending on the input voltage and output current
4. Low dropout voltage: 300mV at full load
5. Low quiescent current: 100µA (typical)
6. Synchronous rectification for improved efficiency at light loads
7. Over-current protection, thermal shutdown, and output short-circuit protection
8. Small form factor: 5-pin TSOT-23 package
9. Operating temperature range: -40°C to 125°C

Applications:

1. Portable devices: smartphones, tablets, and wearable electronics
2. Power supplies for microprocessors and other digital circuits
3. Industrial control systems and instrumentation
4. LED lighting applications
5. Medical equipment and devices
6. Telecommunication equipment
7. Automotive electronics

The LM2678T-ADJ/NOPB is a versatile and efficient switching regulator that can be used in a wide range of applications requiring a stable 5V output with adjustable current capabilities. Its high efficiency, low dropout voltage, and small form factor make it an ideal choice for space-constrained and power-sensitive applications.