NCV1117DT25RKG

Current - Output:	1A
Base Part Number:	NCV1117DT25
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:	68dB (120Hz)
Current - Quiescent (Iq):	10mA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	1.2V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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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Introduction

The NCV1117DT25RKG is an automotive grade, three-terminal adjustable linear regulator with an integrated power transistor. It is designed for use in the automotive industry, offering excellent thermal and electrical performance. This device has a wide input voltage range from 5.3 V to 40 V, as well as a wide temperature range from -40°C to 150°C. The NCV1117DT25RKG has a maximum output voltage of 25 V and a maximum output current of 3 A. This device also offers protection against under-voltage lockout, current limitation, thermal overload, and reverse polarity.

Application Field of NCV1117DT25RKG

The NCV1117DT25RKG is an ideal solution for automotive applications such as powertrain, body electronics, infotainment, and ADAS systems. It can be used in a variety of applications, including motor control, power management, current/voltage regulation, and automotive networks. It can also be used in DC/DC converters and power supplies. This device is also suitable for a wide variety of other applications such as home appliances, industrial equipment, and consumer electronics.

Working Principle of NCV1117DT25RKG

The NCV1117DT25RKG is designed using an integrated power transistor to regulate the input voltage. The regulator controls the output voltage by adjusting the feedback output in order to maintain the output voltage at the desired level. The voltage regulator works by comparing the input voltage to the reference voltage and then adjusts the voltage-controlled output device to ensure the output voltage stays within the desired range. The NCV1117DT25RKG also includes protection against under-voltage lockout, current limitation, thermal overload, and reverse polarity. The input voltage is connected to the regulator’s input and then converted to a stable output voltage. The output voltage is adjusted using a variable resistor or voltage reference. The output voltage is monitored by the regulator and it will keep the output voltage constant, even during changing load conditions.

Conclusion

The NCV1117DT25RKG is an automotive grade linear regulator with an integrated power transistor and wide input voltage range from 5.3 V to 40 V. It has a wide temperature range from -40°C to 150°C and a maximum output voltage of 25 V. This device is ideal for a variety of automotive applications such as powertrain, body electronics, infotainment, and ADAS systems. It offers protection against under-voltage lockout, current limitation, thermal overload, and reverse polarity. The NCV1117DT25RKG regulator works by comparing the input voltage to the reference voltage and then adjusts the voltage-controlled output device to ensure the output voltage stays within the desired range.

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