NCP4682DSQ12T1G

Current - Output:	150mA
Base Part Number:	NCP4682
Supplier Device Package:	SC-82AB
Package / Case:	SC-82A, SOT-343
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	Enable
PSRR:	30dB (1kHz)
Current - Quiescent (Iq):	1.5µA
Series:	--
Voltage Dropout (Max):	1.05V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	5.25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to the NCP4682DSQ12T1G

The NCP4682DSQ12T1G is a Linear Voltage Regulator that is part of the NCP4682-DSQ12T1G family of transistors. NCP4682-DSQ12T1G transistors are versatile power conversion devices that can be used in a variety of applications. This application note discusses the characteristics of the NCP4682-DSQ12T1G, application fields, and its working principle.

Features and Benefits of the NCP4682-DSQ12T1G Transistor

The NCP4682-DSQ12T1G is specifically designed to provide high current output with a low dropout voltage. It is able to deliver up to 0.3 A output current in Voltage Regulator (VR) mode, at low line and load regulations. It features low quiescent/shutdown currents for energy efficiency. This regulator also has a high-side MOSFET which reduces power losses.Its robustness is one of the many advantages of this device, providing reliable operation with improved thermal performance. An advanced thermal management technology (TMT) like this allows the transistor to dissipate heat more effectively and maintain optimal operating conditions. This helps it to remain stable and consistent in a wide range of temperatures. Additionally, it is designed with a flexible charging current limit, making it ideal for a variety of battery charging applications. The NCP4682-DSQ12T1G is equipped with an array of protection features helping to ensure a safe and reliable operation. Undervoltage Lockout (UVLO) and Undervoltage Shutdown (UVS) functions help protect the device from overvoltage and undervoltage conditions. Additionally, thermal protection and overcurrent/overtemperature protection features provide additional safety assurance.

NCP4682-DSQ12T1G Application Fields

The wide operation range and robustness of the NCP4682-DSQ12T1G allow it to be used in a variety of applications. Its low dropout voltage, low line and load regulations, and high current output makes the device suitable for use in consumer battery-operated applications as well as mobile device power management applications. It is also suitable for industrial/automotive use. It can be used as a high-current regulator, such as a Power Optimizer to reduce the power consumption of microcontrollers and other battery powered devices. The adjustable limits of the charge current makes it ideal for use battery charging designs in various industrial or automotive applications. The robustness of the NCP4682-DSQ12T1G makes it suitable for use in harsh operating environments. Its high-side MOSFET ensures energy efficiency and low power losses, allowing for a long lifetime of uninterrupted performance.

Working Principle of the NCP4682-DSQ12T1G

The Working Principle of the NCP4682-DSQ12T1G can best be described as a transimpedance amplifier circuit. The transimpedance amplifier is used to convert an input current signal into an output voltage signal, making it an ideal device for converting any small signal current into a corresponding voltage. The output voltage of the amplifier is then converted into a regulated voltage with low dropout voltage and low line and load regulations. The main components of the NCP4682-DSQ12T1G are the voltage regulator, the high-side MOSFET, and the thermal management technology. The voltage regulator is used to convert the input voltage into a regulated output voltage. The high-side MOSFET reduces power losses and increases efficiency, while the advanced thermal management technology (TMT) helps to dissipate heat more effectively.

Conclusion

The NCP4682-DSQ12T1G Linear Voltage Regulator is a versatile power conversion device that has a wide range of applications. Its robustness makes it suitable for use in a variety of applications ranging from consumer electronics to industrial and automotive applications. Additionally, its low dropout voltage, low line and load regulations, and high current output performance makes it suitable for battery operated applications. Moreover, its flexible charging current limit makes it ideal for use battery charging designs. The working principle of the NCP4682-DSQ12T1G is based on a transimpedance amplifier circuit which is used to convert an input current signal into an output voltage signal.

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