MAX8866SEUA+T

Current - Output:	100mA
Base Part Number:	MAX8866
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Quiescent (Iq):	270µA
Series:	--
Voltage Dropout (Max):	0.12V @ 50mA, 0.12V @ 50mA
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	1.25V (2.84V)
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The MAX8866SEUA+T is a voltage regulator designed for applications requiring low-dropout (LDO) voltage regulation and low-voltage operation. It is a low quiescent current, ultra-low dropout, low input-voltage regulation module with an internal output voltage regulation system, hence making it ideal for applications that operate at low output voltages. It is available in a number of configurations and packages, such as an 8-pin SOIC (Small Outline Integrated Circuit).

Application Field

The MAX8866SEUA+T voltage regulator is suitable for a wide range of applications where scalability and improved efficiency are needed. It is commonly used in notebook computers, tablet PCs, global positioning system (GPS) modules, mobile phones, optical modules, and other portable electronic devices. It is also used in a variety of industrial applications, such as lighting and control fans control, security systems, and other control equipment.With its high efficiency and fast response times, the MAX8866SEUA+T is suitable for a wide range of applications using low-input voltages. Its design allows for a wide voltage range, making it an ideal solution for powering a variety of embedded industrial control systems. It can also be used in a variety of linear applications, such as voltage regulators.

Benefits of MAX8866SEUA+T

The MAX8866SEUA+T regulator has a number of benefits that make it attractive for use in a variety of applications. Firstly, its high-efficiency regulator and low quiescent current reduce power consumption and eliminate the need for cooling components. The high PULSE output peak current rating enables high output current demand and eliminates the need for multiple devices. Additionally, it includes a power shut-off feature for reduced quiescent current, together with a start-up delay that prevents power-up surges. It also has a low dropout voltage of 500mV at up to 130mA. Furthermore, the MAX8866SEUA+T has a low output voltage tolerance of 0.1% and a high ripple rejection of 92dB. This ensures regulation accuracy and eliminates the need for added components or additional output voltage sensing. The device also includes an adjustable over-temperature protection feature and a competitive price.

Working Principle

The MAX8866SEUA+T voltage regulator is designed to provide a low-dropout voltage regulation and low-voltage operation. It is built around an internal output voltage regulation system and uses a NPN bi-polar transistor as its main voltage regulating device. Its working principle involves the use of a low voltage input voltage and an output voltage that is greater than the input voltage. The basic circuitry consists of an input voltage source, a negative output current limiter, an output voltage feedback comparator and a master control block. The voltage regulator schematic includes an input voltage divider, the power transistor and an output voltage divider. The input voltage is connected to the positive input port of the regulator and the output voltage is connected to the negative input port.When the voltage regulator is activated, the output voltage, which is regulated by the comparator, is based on the set points. The output voltage is monitored by the feedback comparator, which then sends a signal back to the master control block to adjust the output voltage. The master control block then controls the power transistor to adjust the output voltage to the desired level. The MAX8866SEUA+T voltage regulator also features self-protection features, such as an adjustable over-temperature shut-down and start-up delay. These self-protection features are necessary to prevent any damage to sensitive electronic components.

Conclusion

The MAX8866SEUA+T voltage regulator is a low-dropout, low input-voltage module with an internal output voltage regulation system. It can be used in a variety of applications, including notebook computers, tablet PCs, GPS modules, mobile phones, optical modules, and many more. Its high efficiency, fast response time, low quiescent current and low dropout voltage make it an ideal solution for powering industrial control systems. Additionally, it has a low output voltage tolerance of 0.1% and a high ripple rejection of 92dB. The device also features an adjustable over-temperature protection feature and a competitive price.

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