MAX8559ETAG2+T

Current - Output:	300mA, 300mA
Base Part Number:	MAX8559
Supplier Device Package:	8-TDFN-EP (3x3)
Package / Case:	8-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	70dB ~ 54dB (10kHz ~ 100kHz)
Current - Quiescent (Iq):	290µA
Series:	--
Voltage Dropout (Max):	0.12V @ 100mA, -
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V, 1.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX8559ETAG2+T Application Field and Working Principle

In the world of power management, voltage regulators are an essential piece of device technology. These special integrated circuits regulate the flow of electricity from a supply or battery to the device they power, ensuring that the voltage supplied to the device remains constant in spite of variations in the supply voltage. The MAX8559ETAG2+T is one such integrated circuit, and in this article, we will take a look at its application field and working principle.

Applications of MAX8559ETAG2+T

The MAX8559ETAG2+T is housed in a small, space-saving 8-pin package and is generally used in applications that require a low input current and a low output voltage. Because of its low input current, it is especially well-suited to portable applications such as cellular phones, personal digital assistants (PDAs), pagers, and other handheld devices. It is also commonly found in more conventional applications such as automotive applications and low power MCUs.

Operating Principles of MAX8559ETAG2+T

The MAX8559ETAG2+T is a linear voltage regulator that operates on a simple principle. It takes a constant voltage signal from a power source, such as a battery, and regulates it to a preset output voltage according to its control pins. A linear regulator works by dissipating a portion of its input voltage as heat, making it less suitable for high current applications. At its core, the MAX8559ETAG2+T consists of a series of transistors, diodes, and resistors that act together to limit the amount of current passing through the circuit. The main regulator transistor (known as the pass transistor) works in conjunction with two feedback resistors to measure the output voltage. If the output voltage is not the desired value, the circuit will adjust the input voltage accordingly. The MAX8559ETAG2+T\'s output voltage can be adjusted over a wide range of voltages through the use of two input pins (VREF and EN). The VREF pin is used to adjust the output voltage while the EN pin allows the chip to be disabled when not in use. The MAX8559ETAG2+T also contains an additional pin that can be used to monitor the output voltage and shut down the regulator when the voltage exceeds a certain level.

Conclusion

The MAX8559ETAG2+T is a versatile and efficient linear voltage regulator. With its low input current, wide range of adjustable voltages, and built-in shutdown feature, it is an ideal choice for low power digital devices and other small portable applications. Its simple and proven design ensures a reliable operation, making it a good choice for a wide range of applications.

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