NCP1522BMUTBG

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NCP1522BMUTBG is a DC/DC switching regulator produced by ON Semiconductor and is a member of their Universal series. This particular device features a 7 V to 36 V input range and has very good transient characteristics.

The NCP1522BMUTBG is a low power, low noise, single output, monolithic switching regulator. This device includes functional blocks such Interface Control and Logic, Feedback Monitor and Voltage Reference. It utilizes a variable frequency, current mode topology, which provides controlled and accurate output voltage regulation, independent of input voltage and load. The device also includes an internal voltage reference and reference temperature monitor to facilitate over current protection and soft start.

The NCP1522BMUTBG is ideal for high efficiency DC/DC switching regulator applications. It can be used to voltage step down and step up applications. With its low power dissipation and low noise characteristics, it is suitable for powering portable battery operated systems such as mobile phones, digital cameras, PDAs and portable medical applications.

The NCP1522BMUTBG is designed to directly interface with a microcontroller and operates in current mode, allowing precise regulation even in high resistance power environments. Its features make it ideal for powering complex displays, low noise applications and battery charging circuits in portable devices. The device is provided in a VQFN package.

The working principle of NCP1522BMUTBG is based on the operation of switching regulators. It works with two main components, a power stage and a control loop. The power stage is comprised of a power switch, an inductor and a capacitor, which converts the DC power from the input supply into a regulated output voltage. The control loop monitors the output voltage and adjusts the power stage components to maintain the output voltage at its desired level. The control loop includes a voltage reference and an error amplifier, which compares the output voltage level with the reference value and adjust the power stage accordingly. The reference voltage is adjustable, allowing the user to set the desired output voltage. This device also includes onboard circuit protection, allowing it to safely shutdown in case of overcurrent or overtemperature conditions.

In conclusion, the NCP1522BMUTBG is a highly versatile DC/DC switching regulator that can be used for a wide range of applications. With its high efficiency, low noise characteristics, and features such as adjustable voltage reference, overcurrent protection and soft start, it is an ideal choice for powering complex display and battery charging applications in portable devices.

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