LM2679SX-5.0

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The LM2679SX-5.0 is a DC-DC switching regulator, part of the extensive range of voltage regulators produced by Texas Instruments. The LM2679SX-5.0 is capable of providing an adjustable voltage output with a wide input range of 3V to 14V. It is a step-up/step-down DC-DC converter, allowing conversion from high or low input voltages. Its integrated high-side and low-side MOSFETs enables it to achieve higher efficiency and a wider input voltage range.

The LM2679SX-5.0 is a synchronous switching regulator, which combines a high-side power MOSFET and a low-side power MOSFET with a controller to provide a precise output voltage. The operating principle of the LM2679SX-5.0 is based on switching the output voltage MOSFETs on and off at a high switching frequency. The controller provides a means of modulation to ensure precisely regulated output voltage, regardless of the input voltage or output current. It also features a low dropout voltage mode, allowing the output voltage to be regulated even when there is a low input voltage.

The LM2679SX-5.0 is well suited for a wide range of applications, such as DC-DC converters for industrial, automotive, and consumer applications. Its versatile range of features makes it a popular choice for a wide range of applications, such as battery management systems, motor control and power supplies.

The LM2679SX-5.0 can be used to enable high-efficiency, low-voltage drop out or low-voltage power supplies with an adjustable output voltage. It has a low quiescent current, allowing for a low total system power dissipation, and a wide input voltage range of 3V to 14V. It offers adjustable switching frequencies up to 1.5MHz and is able to provide current limit in proportion to the magnitude of the input voltage.

One of the features of the LM2679SX-5.0 is the enable function, which enables the load to be switched on or off with an enable signal from an external source. It offers protection from short circuit, over voltage, and over temperature. The output voltage can be adjusted by either an external resistor or an internal voltage reference.

Overall, the LM2679SX-5.0 is an ideal PMIC (Power Management IC) for applications requiring an adjustable DC-DC switching regulator. With its wide input voltage range and its high switching frequency, it is a versatile and reliable choice. It offers features such as a high-side and low-side MOSFET, a low dropout voltage mode, and an enable function, making it an ideal solution for a wide range of applications. It is well suited for applications in DC-DC converters, battery management systems, motor control, and power supplies.

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