PQ1R42J0000H Integrated Circuits (ICs)

Voltage Dropout (Max):	0.4V @ 150mA
Supplier Device Package:	SOT-23L-6
Package / Case:	SOT-23L-6
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 80°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	55dB (400Hz)
Current - Quiescent (Iq):	350µA
Current - Output:	150mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.2V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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PQ1R42J0000H Application Field and Working Principle

PMIC – Voltage Regulators – Linear

Voltage regulators, or linear voltage regulators, are most commonly used in powering any system or circuit. They are the key component of any power supply system design, and form the basis of consumer electronics, as they ensure the proper voltage levels across different components in an electronic device. The PQ1R42J0000H is a very common linear voltage regulator among consumer electronics and is renowned for its high reliability and operational efficiency.The PQ1R42J0000H voltage regulator belongs to a family of low dropout regulators, capable of providing a stable output voltage between 1.4V and 20V for consumer grade applications. The PQ1R42J0000H is typically used to supply a steady voltage to components within a device, usually from a higher external power source, to power the entire device and components. The PQ1R42J0000H voltage regulator is usually available in surface mounted packages, offering a very sleek design for modern consumer electronics. It is composed of a driver transistor, a control circuit and a Zener diode. With its versatility of working with both high and low voltage, the PQ1R42J0000H is the ideal candidate for most consumer electronics. The working principle of the PQ1R42J0000H linear voltage regulator follows the same principle of all linear voltage regulators – voltage regulation. This is done by using an input voltage source, either higher or lower than the desired output voltage, to adjust the voltage differential between the two. This is usually done by the PQ1R42J0000H\'s control circuit, which is composed of internal feedback resistors, capacitors and transistors.The driver transistor of the PQ1R42J0000H is also an important component that allows the regulator to accurately and effectively regulate the voltage, with great precision and reduced dropout voltage. This fast reacting transistor used in the PQ1R42J0000H acts as a buffer between the drive signal and the output signal. The PQ1R42J0000H linear voltage regulator is also equipped with a Zener diode, which helps the regulator to maintain proper voltage levels, preventing any voltage spikes that could be harmful. The Zener diode of the PQ1R42J0000H helps to prevent any overvoltage that could damage other components. The PQ1R42J0000H voltage regulator is known for its reliability and low power consumption, making it an ideal choice for consumer grade electronic applications. Its small size and high efficiency make it a popular choice for applications such as audio amplifiers, power supplies, battery chargers and so on. Overall, the PQ1R42J0000H is an all-rounder in the field of linear voltage regulators, designed for reliability and affordability, making it a very attractive option for those looking to create their own, customized power supplies for different applications.

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