REG102UA-2.5

Current - Output:	250mA
Base Part Number:	REG102-25
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	65dB (120Hz)
Current - Supply (Max):	800µA
Current - Quiescent (Iq):	500µA
Series:	--
Voltage Dropout (Max):	0.27V @ 250mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

REG102UA-2.5 is a two-phase linear voltage regulator that is widely used in the field of power management integrated circuits (PMICs). It is a low-cost and efficient device suitable for a variety of applications in different voltage ranges. It is designed to provide a stabilized output voltage of up to 2.5 volts for a wide range of input voltages. The device employs a number of protection features to ensure stability and protect from over current and over voltage conditions.

Application Field

The REG102UA-2.5 is a general-purpose device that is suitable for a wide range of applications. It is commonly used in a variety of consumer electronic products including laptop computers, cell phones, and handheld devices. The low output voltage and high-efficiency makes it particularly well-suited for battery-powered applications. It is also suitable for a variety of industrial and automotive applications, such as automotive sound systems, industrial sensors, and instrumentation equipment.

Working Principle

The REG102UA-2.5 operates in two phases. In the first phase, the device receives an input voltage that is regulated by a voltage divider network. This reduces the input voltage to the output voltage of 2.5V. The regulated voltage is then fed to a series of transistors and a switch to amplify the voltage and deliver the output. The second phase of operation involves the use of a filter to remove any high frequency noise from the signal. This filter is made up of inductors and capacitors and serves to ensure the stability and accuracy of the output voltage. The filter is then fed back to the transistors to optimize the output voltage. The output voltage is also stabilized through a feedback loop that adjusts the switching frequency depending on the input voltage.

Conclusion

The REG102UA-2.5 is a versatile two-phase linear voltage regulator suitable for many applications. It has a wide operating range, low output voltage, and high efficiency characteristics. It also has several protection features built-in to ensure the stable operation of the device. This makes it an ideal choice for a variety of consumer electronic, automotive, and industrial applications.

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