LM2678S-5.0/NOPB

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The LM2678S-5.0/NOPB is a monolithic voltage regulator from Texas Instruments. It is a DC DC switching regulator designed to supply 5.0V of output voltage, and it can handle output currents of up to 2A. This makes it ideal for powering low-voltage digital and analog circuits, as well as providing power to motors, relays and other similarly-powered devices. It is also capable of supplying higher voltages, up to 15V, using pulse-width modulation (PWM).

The LM2678S is a synchronous step-down switching regulator that utilizes a fixed frequency, current mode, internal clock. It incorporates a low side and a high side MOSFET switch and uses a synchronous rectifying technique to minimize power loss. The PWM control creates a constant frequency quarter-bridge rectified output. This allows for a high switching frequency, which results in high efficiency and allows for the use of small packaged components.

The LM2678S-5.0/NOPB provides two operating modes: a high efficiency PWM mode that is suitable for high-current output requirements, and a pulse-skip mode that is suited for lower current operation. The device offers several protection features such as thermal protection, overcurrent protection, and undervoltage lockout. It also features a programmable soft-start, allowing for the gradual ramping of output voltage. In addition, the device is capable of output voltage tracking and offers a peak-current-mode control loop.

The LM2678S-5.0/NOPB is designed to be used in industrial, automotive and consumer electronic applications. Its high-efficiency operation and wide input voltage range make it ideal for battery-powered and solar-power systems. It can also be used in mobile device chargers, power adapters and UPS systems. It is available in a surface-mount package that is suitable for automated assembly and testing processes.

In summary, the LM2678S-5.0/NOPB is a monolithic voltage regulator from Texas Instruments. It is designed to supply 5.0V of output voltage, and it can handle output currents of up to 2A. It is a synchronous step-down switching regulator that utilizes a fixed frequency, current mode, internal clock. It features a high efficiency PWM mode for high current output requirements, as well as a pulse-skip mode for lower current operation. It also provides several protection features including thermal protection, overcurrent protection, and undervoltage lockout. It is suitable for industrial, automotive and consumer electronic applications, and is available in a surface-mount package that is suitable for automated assembly and testing processes.

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