LM2676S-12/NOPB

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PMIC - Voltage Regulators - DC DC Switching Regulators is a type of technology that helps regulate the electrical current within a certain device. The LM2676S-12/NOPB is an integrated switching regulator that is designed to provide an adjustable output voltage with a minimum of external components. Its features and its control functions make it ideal for a wide range of applications such as laptop computer, battery-operated equipment, and distributed power systems.

The LM2676S-12/NOPB is a 12V fixed internal switching regulator with an integrated frequency jittering circuit. It incorporates a microcontroller and a high-voltage MOSFET for improved efficiency and for designing high-frequency switching regulators with low noise. The output voltage is adjustable from 0.6 V to 12 V, and the operating frequency is variable from 200 kHz to 700 kHz. The maximum output current is 1A and the typical efficiency is up to 78%.

The LM2676S-12/NOPB provides two control pins to allow the user to select the type of feedback loop and the feedback gain. The AC and DC pins can be used to select between a hysteresis Based (AC type) or a voltage Error Amplifier-Based (DC type) feedback loop. The LM2676S-12/NOPB also features a pulse frequency modulation (PFM) control circuit that allows a low input voltage to respond quickly to sudden load changes while maintaining high efficiency in light load conditions.

The LM2676S-12/NOPB has a wide input voltage range (4.75V to 20V) and a wide output voltage range (0.6V to 12V). The output voltage is adjustable through an external resistor divider network, which is the most straightforward way of controlling the output voltage. Another important feature of the LM2676S-12/NOPB is its protection circuitry which includes an integrated over-temperature protection. It also provides reset and shutdown pins to enable easy control.

The LM2676S-12/NOPB is suitable for a wide range of applications where a high efficiency and low noise is required, such as laptop computers, battery-operated equipment, and distributed power systems. Its features and its control functions make it an ideal solution for these applications.

Overall, the LM2676S-12/NOPB is an integrated switching regulator that is designed to provide an adjustable output voltage with a minimum of external components by providing two control pins that can be used to select between a hysteresis Based or a voltage Error Amplifier-Based feedback loop. Its wide input voltage range (4.75V to 20V) and its maximum output current of 1A make it an ideal solution for a variety of applications that require high efficiency and low noise. Its protection circuitry and reset and shutdown pins make it a reliable and user-friendly option for a variety of applications.

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