LM2677T-12/NOPB

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The LM2677T-12/NOPB is a highly efficient DC/DC switching regulator that is used to supply power to electronic devices. This voltage regulator is designed to generate an output voltage that is regulated regardless of the input voltage, load current, and ambient temperature. It can deliver a maximum output current of 1A at a voltage of 5V and is available in an industry-standard SMD or through hole package.

This power supply device works by controlling the output voltage of a DC power supply through Pulse Width Modulation (PWM) techniques. The output voltage of the LM2677T-12/NOPB is adjustable throughout its operating range and is also adjustable while the device is in shutdown mode. It features two modes of operation: Quasi-Resonant Mode (QR) and Pulse Frequency Modulation Mode (PFM). The device\'s switching frequency is controlled to reduce the peak operating current of the external switching MOSFET and to reduce the output noise.

The LM2677T-12/NOPB includes a high-side PMOS switch, current sense resistor, output capacitor and a feedback circuit to regulate the output voltage. The PWM circuit of this DC/DC switching regulator provides an adjustable turnover frequency to optimize its efficiency. Its built-in under-voltage lockout (UVLO) feature prevents the output voltage from dropping below a certain operating voltage level for improved reliability.

This device is specifically designed for power computing applications like servers, desktops and laptops, as well as embedded system applications like routers, set top boxes and portable audio players. Its versatile features make it an important power supply device in wide range of applications. The LM2677T-12/NOPB can be used to provide a convenient power supply for different types of microcontrollers, interface circuits and other digital circuits.

The LM2677T-12/NOPB power supply device is widely used in many applications requiring low noise and high efficiency. Examples include automotive, telecommunications systems, industrial automation, consumer electronics, imaging and lighting. This efficient DC/DC switching regulator is capable of delivering a regulated voltage of up to 24V and can be used in various power supply configurations, such as step-up, buck and boost.

The LM2677T-12/NOPB can also be used for battery charging applications. In this application, the output voltage is controlled according to the battery\'s voltage, allowing a slow charge or fast charge when needed. This device can also be used in synchronous rectification circuits, which significantly reduces switching losses and improves system efficiency. With its highly efficient operation and versatile features, the LM2677T-12/NOPB is an ideal power supply solution for many different applications.

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