MP171GJ-P

Duty Cycle:	--
Mounting Type:	Surface Mount
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Soft Start
Fault Protection:	Open Loop, Over Load, Over Temperature, Short Circuit
Power (Watts):	2W
Frequency - Switching:	--
Series:	--
Voltage - Supply (Vcc/Vdd):	5.5 V ~ 5.7 V
Topology:	Boost, Buck, Buck-Boost, Flyback
Voltage - Breakdown:	700V
Internal Switch(s):	No
Output Isolation:	Non-Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - AC DC Converters, Offline Switchers

The MP171GJ-P is an offline switching regulator for converting AC to DC power. It operates from a wide universal input voltage range of 85-265 VAC with tight regulation and high power efficiency. With its light weight and small footprint, this device is ideal for power supply applications in consumer electronics, such as LCD TVs and mobile phones.

Features

The MP171GJ-P offers a wide range of features to maximize performance, reliability, and flexibility. It has an internal PFC controller and is designed to meet EN61000-3-2 global power standard, as well as other international standards. It also features an auto restart, over-temperature shut-down and overload protection. Additionally, it has a wide temperature operating range of -40 to +85 degrees Celsius, making it suitable for a variety of environmental challenges.

Design

The MP171GJ-P was designed with high efficiency in mind. It uses less standby power and features a broad frequency range of 50 kHz to 500 kHz. This allows for higher conversion ratios and improved converter efficiency. It also uses synchronous rectification technology for low power dissipation and improved power conversion efficiency.

Working Principle

The MP171GJ-P has two integrated primary-side power paths. The first is an AC rectification stage, which convert AC voltage to DC voltage. It then passes through two regulators, an output voltage regulator and one for monitoring the output accuracy and stability. The second stage is a DC to DC converter, which convert the incoming DC voltage to the desired output voltage. It employs an adaptive loop for voltage regulation and also uses a shunt regulator for monitoring the output accuracy and stability.

Applications

The MP171GJ-P is designed for use in consumer electronics applications such as LCD TVs, game consoles, mobile phones, electric toothbrushes and laptop computers. The device is also suitable for applications such as industrial motors and solenoid applications, as well as lighting and automotive applications.

Conclusion

The MP171GJ-P is an offline switching regulator for converting AC to DC power. It has numerous features for maximal performance, reliability, and flexibility. It employs an adaptive loop for voltage regulation and a synchronous rectification topology for improved efficiency. The device is ideal for numerous consumer electronics applications across a variety of industries.

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