NCP1117DT20RKG

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The NCP1117DT20RKG is a member of the NCP1117 family of low dropout (LDO) linear voltage regulators that are capable of providing output current up to 1.5A. The NCP1117DT20RKG has an adjustable voltage output that permits an output voltage setting range of 1.2V to 17V. The NCP1117DT20RKG has a 150mV(max) dropout voltage over the power supply range, offering the benefits of low quiescent current, high output current, and high efficiency for battery-powered applications.

The NCP1117DT20RKG belongs to the PMIC (Power Management IC) Linear Voltage Regulators family. The main input voltages applicable to the NCP1117DT20RKG are 2.5V, 3V, 3.3V, 5V, and 9V. This makes the NCP1117DT20RKG particularly suitable for use in applications such as automotive and industrial systems, digital home appliances and other applications where high power and tight regulation is needed.

The NCP1117DT20RKG\'s versatile low-current design is also ideal for portable and hand-held applications, as it can be used with a wide variety of power supplies, from 3V to 9V. The circuits can be elegantly powered from a single Li-ion battery; this allows the development of low-power, low-profile portable devices.

An important feature of the NCP1117DT20RKG is that it provides low-noise output, which is essential for powering sensitive and noise-critical, low-voltage analog circuits, such as audio amplifiers, analog-to-digital converters, and LED drivers. The device has a low operating temperature (up to 60°C) and fast switching speed (up to 1MHz) that make it suitable for a range of high-performance applications.

The NCP1117DT20RKG has a wide range of protection features, such as reverse current protection, short-circuit protection, over-voltage protection, and over-temperature protection, that make it suitable for applications that require high performance, robustness and reliability under harsh conditions.

Its working principle is based on a linear regulating principle, which is a cost-effective and low-power solution for satisfying the requirements of modern power supply designs. The NCP1117DT20RKG integrates an internal PNP power transistor and an error amplifier, using a junction-isolated, low-power, low-dropout (LDO) regulating circuit. The LDO design provides precision control with low power consumption and fast response time. The device’s integrated low-power input and output stages enhance the overall efficiency, while the low-power design ensures reliability in extreme operating temperatures.

The NCP1117DT20RKG also features a low-dropout (LDO) voltage regulator for powering loads that require tight regulation of the output voltage. The low output impedance maximizes efficiency, and the low output ripple improves system reliability. Additionally, the device features an ESD-protected power transistor that is suitable for automotive and industrial applications. With this device, users can take advantage of its wide input voltage range, low quiescent current, and high efficiency to meet the demands of their applications.

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