NCV6356CMTWTXG

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The NCV6356CMTWTXG voltage regulator is a DC-DC switching regulator. It is a power management integrated circuit (PMIC) with linear and step-down (buck) synchronous rectification capabilities. This chip is used in a range of applications including computing and consumer electronics. It is primarily utilized in designs with limited space, which require low voltage and high current output.

This PMIC features a wide input voltage range of 3V to 28V and a synchronous output voltage range of 0.8V to 18V. It provides an output current of up to 5A, a power switch of 35V/5A, a switching frequency of up to 2MHz, and an adjustable over voltage protection (OVP) level up to 25V. The device also offers configurable current limit protection, input voltage under voltage lockout protection, and thermal protection.

The NCV6356CMTWTXG operates in current mode control as a regulator to offer fast transient response, high accuracy, and good line and load regulation. It includes separate control, gate driver, and power switches and is offered in a small form factor 4-pin SSOP, 6-pin DFN, and 8-pin MSOP packages. This device is designed to minimize power dissipation and provide excellent EMI performance.

The working principle of the NCV6356CMTWTXG revolves around the use of two power switches. It consists of a primary power switch and a synchronous rectifier. During normal operation, the primary switch is turned on and off at fixed frequency, alternately drawing current from an external inductor and transferring it to a load through the synchronous rectifier. By controlling the number of on-time cycles, the power switch regulates the output voltage or current. As the external inductor provides a boost in voltage, the synchronous rectifier provides a rectification that increases the current output.

The NCV6356CMTWTXG is well-suited for applications requiring high-performance low voltage/low current output, such as battery operated devices. This includes any devices with a wide input voltage range and a need for a low voltage regulated output, such as PDAs, cell phones, hand-held PCs, telecommunications, LANs, and UPSs.

The NCV6356CMTWTXG has a variety of features that make it suitable for many applications. It has a wide input voltage range and can provide both linear and step-down output voltages. It is designed for low power dissipation and offers protection features such as adjustable OVP and configurable current limit. It is also capable of high-efficiency current mode control for fast transient response, high accuracy, and good line and load regulation.

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