NCV4276CDTADJRKG

Current - Output:	400mA
Supplier Device Package:	DPAK-5
Package / Case:	TO-252-5, DPak (4 Leads + Tab), TO-252AD
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	70dB (100Hz)
Current - Supply (Max):	35mA
Current - Quiescent (Iq):	200µA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.5V @ 250mA
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	45V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The NCV4276CDTADJRKG is a linear voltage regulator that provides precise on/off control with adjustable output current. The device is typically used in a variety of applications, including automotive, industrial and other portable systems.

Applications

The NCV4276CDTADJRKG is suitable for a wide range of applications including:

• Automotive systems
• Motor control systems
• Industrial applications
• Power management systems
• Portable systems
• Consumer electronics
• Information technology

Key Features

• Low input voltage operating range (2.0 – 30V)
• Low quiescent current (2.1 mA typical at 25 °C)
• Wide operating temperature range (-40 to 125 °C)
• Output current up to 500mA
• Output voltage adjustable from 1.5V to 30V

Working Principle

The NCV4276CDTADJRKG is a voltage regulator based on linear technology. It consists of a voltage reference and error amplifier circuitry connected to a power transistor, which regulates the output voltage in accordance with the reference voltage. When the output voltage is lower than the reference voltage, the error amplifier will drive the power transistor to turn it ON, which will increase the output voltage accordingly. When the output voltage rises above the reference voltage, the power transistor is turned OFF and the output voltage decreases back to the reference voltage. The output voltage is adjusted with an external resistor divider. This resistor divider sets the output voltage of the regulator by reacting to the input of the error amplifier.

Conclusion

The NCV4276CDTADJRKG is a linear voltage regulator that is suitable for a wide range of applications, including automotive, industrial and other portable systems. The device offers excellent performance with low quiescent current, wide operating temperature range and adjustable output current. Additionally, the output voltage is adjustable from 1.5V to 30V, making it a highly versatile device. The device is based on linear technology and functions by regulating the output voltage with an error amplifier and power transistor.

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