NCP4328BSNT1G

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NCP4328BSNT1G is a special purpose voltage regulator from ON Semiconductor. It supports a wide range of applications, such as LED driving, LED backlighting, amplifiers, and AC-DC bridge rectification. It is capable of providing up to 100mA of current, and has a voltage drop of 1.9V.

The regulator includes an internal N-channel MOSFET configured as a switch, which controls the output voltage. The device contains an internal biased voltage divider network and is capable of controlling output voltage from 0.85V to 6V. This range of output voltages provide the device flexibility in controlling a variety of loads.

The NCP4328BSNT1G offers a wide range of features, including an integrated control current booster and an adjustable overcurrent protection mechanism. The control current booster ensures that the output current is regulated accurately regardless of the load current. The integrated overcurrent protection is adjustable and can be used to protect the device from excessive overloads. Additionally, the regulator is offered in a tiny SOT-563 package to facilitate board layout.

The working principle of the NCP4328BSNT1G revolves around the internal MOSFET switch, which is responsible for regulating the output current. When the device is enabled, the MOSFET switches on, allowing current to flow through the inductor, resulting in the generation of a voltage drop across the device’s internal resistors. This voltage drop is fed back to the control pin, which adjusts the duty cycle of the MOSFET switch to maintain the output voltage. The device then begins its voltage regulation cycle: when the output voltage is lower than the desired voltage, the control pin increases the duty cycle until the output voltage is adjusted to the correct value.

The NCP4328BSNT1G is a highly efficient voltage regulator designed for specific applications, such as LED driving, LED backlighting, amplifiers, and AC-DC bridge rectification. It is capable of providing up to 100mA of current, and its adjustable overcurrent protection ensures that the device is well protected against overload currents. It also includes internal bias voltage divider network, which allows the output voltage to be controlled within a wide range of values. Furthermore, its tiny SOT-563 package makes it ideally suited for board layout. All in all, the NCP4328BSNT1G is an ideal solution for powering a variety of applications.

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