NCP1117ST18T3

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NCP1117ST18T3 is a voltage regulator produced by the ON Semiconductor. It is a linear PMIC (Power Management IC) regulator, capable of delivering up to 1.5A of output current, with an operating input voltage range from 2.7V to 18V, and a fixed output voltage of 3.3V.

The NCP1117ST18T3 voltage regulator has several features which make it suitable for a wide range of applications. Its low quiescent current of only 7.5uA makes it suitable for low power applications, and its high thermal performance (operating temperature range from -40°C to +125°C) makes it suitable for use both in commercial and industrial applications. In addition, it has a nanosecond transient response which makes it suitable for use in high frequency applications.

The NCP1117ST18T3 voltage regulator uses a sectioned control loop architecture and operates using pulse-width modulation (PWM). The controller provides a regulated output voltage by switching the series pass element, which consists of an N-channel MOSFET (metal-oxide semiconductor field effect transistor). During normal operation the PWM signal is active, switching the series pass transistor on and off, allowing the MOSFET to switch between its two states. When the MOSFET is switched to its on state, the regulator draws current from the input source, charging the output capacitor, and providing power for the load. When the MOSFET is switched to its off state, the output capacitor is discharged, returning power to the input source. The average output voltage is determined by the on/off duty cycle of the PWM signal.

In addition, the NCP1117ST18T3 offers a wide range of protection features including short circuit protection (SCP), over temperature protection (OTP) and over-voltage protection (OVP). SCP prevents the device from drawing too much current, while OTP prevents it from overheating, and OVP limits the output voltage to a safe level.

The NCP1117ST18T3 is an ideal choice for a wide range of applications, allowing designers to achieve a reliable, efficient and cost-effective solution. The device\'s high efficiency and low quiescent current make it suitable for both commercial and industrial applications, while its wide operating temperature range and high frequency transient response make it suitable for use in high frequency applications.

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