PQ1L303M2SP

Voltage Dropout (Max):	0.7V @ 300mA
Supplier Device Package:	SOT-89
Package / Case:	SOT-89-5/6
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 80°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Quiescent (Iq):	500µA
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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Part Status:	Obsolete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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PMIC (Power Management IC) voltage regulators, or linear regulators, play an important role in controlling the flow of voltage in electronic devices. Their purpose vary from powering up a single device to controlling the flow of multiple devices. The PQ1L303M2SP is a three-terminal linear regulator made by ROHM Semiconductor for use in a variety of applications. In this article, we’ll be taking a closer look at the features, application field, and working principle of this regulator.

Features

The PQ1L303M2SP is a high-performance three-terminal linear regulator. It has a maximum input voltage of 30V and a maximum output current of 1A. Thanks to its wide voltage range, this regulator can be used in a variety of applications. It also has temperature compensation accuracy of 0.85%/°C. This ensures a consistent voltage output level, even in changing temperatures. Other features of the PQ1L303M2SP include:

• Operating temperature range of -40°C to +125°C
• Reverse current protection
• Closed-loop feedback architecture
• Low output noise
• High load and line regulation
• Low standby current

Application Field

The PQ1L303M2SP is a versatile linear regulator that can be used in a variety of applications. It is commonly used in automotive applications, such as for powering up GPS systems, display backlights, alternators, seatbelts and more. It can also be used in more general applications, such as for providing DC power supply in telecommunications and consumer electronics.

Working Principle

The PQ1L303M2SP is a three-terminal linear regulator that uses a closed-loop feedback system. In this system, an error amplifier is used to sense the output voltage level and adjust the voltage regulator accordingly. The output voltage is regulated by the regulator\'s current-mirror circuitry, which regulates the current flow between the two power terminals, the input and output. The output voltage is held at a stable level until the load current changes, and then the regulator will automatically adjust the output voltage in order to maintain the same output voltage. This closed-loop system is not only quick to react and efficient, but it also provides reliable, consistent voltage outputs.

Conclusion

The PQ1L303M2SP is a three-terminal linear regulator from ROHM Semiconductor. It is a high-performance regulator with features such as reverse current protection and temperature compensation accuracy. It is a versatile regulator that can be used for automotive and general applications. It works by using a closed-loop feedback system to sense the output voltage and adjust the regulator accordingly. All in all, the PQ1L303M2SP is a reliable, consistent and efficient voltage regulator, making it a great choice for a variety of applications.

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