NCV1117DT20RKG

Current - Output:	1A
Base Part Number:	NCV1117DT20
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	70dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	1.2V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2V
Voltage - Input (Max):	20V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Overview

The NCV1117DT20RKG is a low-dropout (LDO) voltage regulator from the family of Linear Voltage Regulators. This easy-to-use device ensures a steady output voltage with very low noise and low ripple, making it suitable for sensitive loads in various industrial and consumer applications. This LDO can provide an output voltage up to 1.2 V from an input voltage range from as low as 2.5 V DC up to 36 V DC. In addition, this device is designed with an adjustable output voltage range, allowing users to select their required output voltage and current levels.

Features and Benefits

The main advantages offered by the NCV1117DT20RKG are the wide input voltage range, stead output voltage, low noise, low ripple and adjustable output voltage. Moreover, this device also has high output accuracy, high power efficiency, low power consumption and fast transient response.

Wide Input Voltage Range

The NCV1117DT20RKG allows an input voltage range from as low as 2.5 V DC up to 36 V DC, making it suitable for various applications. This allows flexibility when selecting a power source for the device.

Steady Output Voltage

The NCV1117DT20RKG provides an output voltage that is steady, with very low noise and low ripple. The output voltage can be adjusted from 0.8V to 1.2V. This steady output voltage is essential for sensitive load applications.

Low Noise, Low Ripple

The NCV1117DT20RKG provides low noise and low ripple, resulting in less interference and disturbance. This is essential in ensuring stable and reliable operation, given the sensitive nature of the application loads.

Adjustable Output Voltage

The output voltage can be adjusted to the required level with the NCV1117DT20RKG. This makes it ideal for different application needs, as the user can select their required levels without having to use external components.

High Output Accuracy

The NCV1117DT20RKG is capable of providing an output voltage with high accuracy. This is essential in applications where a steady output voltage is needed for proper operation.

High Power Efficiency

The NCV1117DT20RKG is capable of delivering high power efficiency. This is achieved through the device’s low output voltage drop, which results in less power being wasted as compared to other regulators.

Low Power Consumption

The NCV1117DT20RKG is designed with a low power consumption feature, making it suitable for battery-operated applications. It is also capable of conserving power in comparison to other linear voltage regulators.

Fast Transient Response

The NCV1117DT20RKG can deliver a fast transient response. This enables it to adjust quickly to changing load conditions, without sacrificing its steady output voltage.

Application Fields

The NCV1117DT20RKG Linear Voltage Regulator is commonly used in various industrial and consumer applications. It is suitable for use in distributed power systems, automotive systems, communications equipment, computers and peripherals, home appliances, instrumentation, and other general-purpose applications.

Working Principle

The working principle of the NCV1117DT20RKG is based on the difference between the input voltage and output voltage. The voltage regulator converts a higher voltage to a lower voltage by dissipating the excess voltage as heat. This is known as a “dropout” effect. The internal components of this device include a output voltage selector, a voltage limiter, an internal power switch and an internal comparator. The output voltage selector is used to adjust the output voltage level. The voltage limiter is used to control the voltage range, while the internal switch and comparator are used to detect and modify the voltage output. The output voltage is determined by the ratio of the resistors in the output voltage selector and the voltage limiter. The output voltage is regulated by adjusting the selected resistors. The internal comparator then monitors the output voltage, and if it exceeds or falls below the specified limits, it will modify the voltage level with input from the internal switch.

Conclusion

The NCV1117DT20RKG is a low dropout linear voltage regulator that is perfect for a wide range of industrial and consumer applications. This device offers great features such as a wide input voltage range, low noise and low ripple, adjustable output voltage, high output accuracy, high power efficiency, low power consumption and fast transient response. Thanks to its low dropout effect, this device can ensure a steady output voltage and conserve power, making it ideal for sensitive loads.

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