LM2678S-ADJ,High Efficiency 5A Step-Down Voltage Regulator,TO-263-7

The LM2678S-ADJ is a high-performance step-down (buck) voltage regulator designed to deliver up to 5A load current with exceptional efficiency. Featuring an adjustable output voltage range of 1.2V to 37V, it caters to a wide array of power applications, including industrial automation, battery charging, and system pre-regulators for linear voltage regulators.

This device simplifies design with its fixed 260kHz oscillator and requires only a few external components. The integrated thermal shutdown, current limiting, and low standby current make it a robust and energy-efficient solution for demanding applications. Housed in a TO-263-7 package, the LM2678S-ADJ is ideal for space-constrained designs requiring high power density.

• High Efficiency: Achieves efficiency up to 92% with low power loss.
• Wide Input Voltage Range: Operates from 8V to 40V, accommodating various applications.
• High Output Current Capability: Supports up to 5A output current.
• Adjustable Output Voltage: Allows configuration from 1.2V to 37V for versatile designs.
• Fixed Frequency Oscillator: Features a 260kHz internal oscillator for compact component selection.
• Built-In Protections: Includes thermal shutdown, current limiting, and low standby current (50uA).