REG113EA285250G4

Current - Output:	400mA
Base Part Number:	REG113-285
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm 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):	1mA
Current - Quiescent (Iq):	500µA
Series:	--
Voltage Dropout (Max):	0.41V @ 400mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.85V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The REG113EA285250G4 is a three terminal voltage regulator specifically designed for use in fixed voltage, high frequency and low noise applications. It is a linear low dropout (LDO) voltage regulator integrated into a single package and utilizes advanced BiCMOS process technology. It provides a regulated voltage of 2.85V with a maximum output current of 250mA and is designed to operate with input voltage range of 2.7V to 6.0V. The REG113EA285250G4 features high input/output voltage accuracy, low-noise operation and low dropout voltage, making it ideal for many applications where low noise, high efficiency and low power consumption are important criteria.

Application Field

The REG113EA285250G4 is ideal for many power regulation applications including battery powered products with its wide input voltage range and low dropout voltage. It is used in many consumer electronics applications such as mobile phones, digital cameras, USB accessories and many other portable electronic devices which require low power and clean power. It can also be used in portable audio and data applications such as MP3 players, hard drives, flash memory and other applications that require low power, low noise and high accuracy. It is also used in industrial applications such as precision medical instruments and devices, data acquisition systems, process control systems and other industrial digital applications.

Working Principle

The REG113EA285250G4 voltage regulator consists of a voltage reference, error amplifier, and output stage all contained in a single package. The voltage reference provides a reference voltage to the error amplifier and the error amplifier compares the reference voltage to the voltage being requested and then amplifies the difference. This results in a difference or error voltage that is sent to the output stage. The output stage consists of an N-channel MOSFET that is used to regulate the output voltage. The output stage controls the voltage based on the error input from the error amplifier and the output current from the load. This error is then adjusted on an ongoing basis resulting in the output voltage being regulated at the desired level.

Conclusion

The REG113EA285250G4 is a three-terminal voltage regulator that provides a highly accurate 2.85V output voltage with a typical dropout voltage of 300mV and a maximum output current of 250mA. It is ideal for low noise, high efficiency and low power consumption applications such as portable electronic devices, precision medical instruments and industrial digital applications. The regulator utilizes an advanced BiCMOS process technology to achieve high accuracy and ultimate power savings.

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