NCP6354BMTAATBG

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NCP6354BMTAATBG is an integrated, synchronous buck DC-DC converter with an input voltage of up to 28V, capable of delivering an output current up to 7A. It provides excellent power conversion efficiency while allowing flexibility with output voltages ranging from 0.6V to 6.5V. The converter incorporates a single power stage design with a low-side MOSFET connected directly to ground and a high-side MOSFET connected to the output to provide a maximum load-transient response and output current ripple.

This device is a great fit for applications such as automotive cameras, automotive audio amplifiers, 3G/4G/LTE data card, on-board charger and radio channelizers. It can also be used as part of a distributed power architecture for Computing, Telecom, Medical and other systems.

The NCP6354BMTAATBG consists of two major blocks: an inductor with two secondary windings (which act as inductors when the device is operating in normal mode), and a Precision Voltage Regulator that controls the switching MOSFETs which provide the power transfer from the input to the output. The regulator, which contains a small error amplifier, adjusts the switching frequency to maintain the desired output voltage by controlling the duty cycle of the switching MOSFETs.

The operating principle is such that when the input voltage is applied, the MOSFETs switch on (in a specific duty cycle associated with the load on the output) and the energy is stored in the inductor. This energy is transferred to the output via the MOSFETs and the inductor releases the remaining energy back to the input. This cycle helps to reduce power loss and maintain power conversion efficiency.

The NCP6354BMTAATBG device also includes several additional features such as over-temperature protection, load line compensation to reduce the ringing in the output voltage waveform, enable/disable and a built-in soft start feature. These features increase its usability in most of the applications it is intended for.

In summary, the NCP6354BMTAATBG is a great choice for Power Management In Circuit (PMIC) or Voltage Regulator applications. It supports a wide input voltage range of up to 28V and can deliver up to 7A of output current. The device is specifically designed with an external low side MOSFET, eliminating the need for an external power stage. It offers excellent efficiency, flexibility and fast transient response, making it an ideal solution for automotive, computing, medical and other power management applications.

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