MAX8864SEUK+T

Voltage Dropout (Max):	0.12V @ 50mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Quiescent (Iq):	150µA
Current - Output:	120mA
Series:	--
Voltage - Output (Max):	6.5V
Voltage - Output (Min/Fixed):	1.25V (2.84V)
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Strip

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Introduction

The MAX8864SEUK+T is a linear voltage regulator integrated circuit (IC) from Maxim Integrated which offers a range of consumer-friendly features and benefits when part of a complete power management system. This particular part is designed to provide voltage adjustment of up to 9V, making it suitable for use in a variety of home appliances, consumer electronics and other applications that require precise voltage regulation. The IC requires a minimum current of 7mA to power its internal logic and enable its features.

Application Field

The MAX8864SEUK+T has a wide range of applications in consumer electronics, home appliances, and other low-voltage systems that require precise voltage regulation. The IC can be used to provide a regulated supply voltage of up to 9 V for its application.One such application where the MAX8864SEUK+T is particularly useful is in battery-powered consumer devices. The IC is able to monitor the battery voltage and adjust its output voltage accordingly to provide a steady, predictable power supply to the system. This helps to extend battery life and reduce the number of times batteries need replacing.In addition, the part can be used in automotive applications where a stable power supply is needed. The MAX8864SEUK+T is able to provide a stable output voltage in the presence of variations in input voltage and current, making it ideal for use in boot-up, shutdown and pre-charge scenarios.The IC can also be used in a variety of other applications including personal medical devices, industrial control systems, telecom equipment and instrumentation.

Working Principle

The MAX8864SEUK+T is a linear voltage regulator which is designed to provide a regulated output voltage from an unregulated supply voltage. It works by using two main components – an adjustable resistor and a transistor – to control the output voltage.First, the adjustable resistor (R1) is used to set the desired output voltage. As the output voltage is increased, the transistor (Q1) is driven into saturation which reduces the amount of current that can flow through the circuit. As a result, when the input voltage is greater than the regulated output voltage, the output of the regulator will remain at the desired level.Once the regulated voltage has been set, the MAX8864SEUK+T can monitor the input voltage to ensure that it remains within a given range. If the input voltage rises above this range the part will turn off the transistor and draw a low current, reducing the output voltage and protecting the device.

Conclusion

The MAX8864SEUK+T is a linear voltage regulator from Maxim Integrated which provides a regulated output voltage of up to 9V from an unregulated supply voltage. It is suitable for a variety of applications in low-voltage systems such as battery-powered devices and automotive applications, as well as for use in other systems that require a precise voltage level. The part works by using an adjustable resistor to set the desired output voltage, and a transistor to control the output in response to variations in the input voltage.

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