PQ1U301M2ZP

Voltage Dropout (Max):	0.4V @ 150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 80°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (400Hz)
Current - Quiescent (Iq):	200µA
Current - Output:	150mA
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Part Status:	Obsolete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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Introduction

PQ1U301M2ZP is an integrated low-EMI linear regulator IC. It is designed for consumer electronics, industrial and medical applications that require a higher-precision DC power supply. With its low-EMI features, it can achieve high-precision DC power supply with low standby power consumption, providing a more efficient and cost effective solution.

Application Field

PQ1U301M2ZP is typically used in consumer electronics, industrial, and medical applications that require high-efficient, low-EMI linear power supplies. It can be used in a wide variety of power management applications including TV, Internet of Things (IoT), home appliances, LED lighting, automotive, and aerospace applications. It is also suitable for powering high-precision analog and digital circuits, such as Audio/Video devices, sensors, meters or microcontrollers.

Working Principle

PQ1U301M2ZP adopts a high-precision fixed-frequency, PWM linear regulator architecture which combines precision voltage reference, complex controller and power FETs (MOSFET). It regulates the output voltage from the source by controlling the ON time of the power MOSFET according to the input voltage level. The PQ1U301M2ZP features a low-noise, low-EMI linear output stage that provides high-precision regulation without generating high levels of EMI in the system. It also features on-board voltage sensing which eliminates the need for sensing external resistors. The well-controlled load transient response allows excellent regulation of fast load current changes, providing faster response to load fluctuations while maintaining excellent system efficiency.

Conclusion

PQ1U301M2ZP is an integrated low-EMI linear regulator IC designed for consumer electronics, industrial, and medical applications where higher-precision DC power supply is required. It adopts a high-precision fixed-frequency, pulse width modulation (PWM) regulator architecture, combining precision voltage reference, complex controller and power field-effect transistors (MOSFET). It features excellent load transient response, low standby power consumption and high efficiency, providing a more efficient and cost effective solution for various power management applications.

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