MAX1792EUA33/V+

Voltage Dropout (Max):	0.25V @ 500mA
Supplier Device Package:	8-uMax-EP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Reset
PSRR:	--
Current - Quiescent (Iq):	250µA
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	1.25V (3.3V)
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction to MAX1792EUA33/V+

The MAX1792EUA33/V+ is a linear voltage regulator designed by Maxim Integrated. It is a member of the popular MAX1792 family of voltage regulators and was designed to help provide improved performance and reliability in applications with high current loads. The voltage regulator can withstand high inrush or holdup currents, and is suitable for use in industrial, automotive, and consumer applications.

Features

The MAX1792EUA33/V+ has a number of unique features that make it an ideal choice for a variety of applications. These features include:

• Low-dropout voltage: The low-dropout voltage of the MAX1792EUA3/V+ is up to 2.6V, giving it the ability to regulate output voltage even when input voltage drops below 4.5V.
• Wide output voltage range: The MAX1792EUA33/V+ can regulate output voltage from 1.2V to 3.6V.
• High current capability: The MAX1792EUA33/V+ is capable of providing up to 2A of continuous output current.
• Current limiting and short-circuit protection: The MAX1792EUA33/V+ has active current limiting and short-circuit protection, which helps protect components connected to the regulator from excessive current.
• Fast transient response: The MAX1792EUA33/V+ is designed to respond quickly to transient input and output voltage changes, allowing it to maintain reliable operation in dynamic conditions.
• High-efficiency operation: The MAX1792EUA33/V+ is designed for high efficiency operation, helping to minimize heat generation in high current applications.

Applications

The MAX1792EUA33/V+ can be used in a wide variety of applications. It is particularly well-suited for applications where high current and/or low voltage is required, such as automotive electronics and industrial control systems. The MAX1792EUA33/V+ can also be used in consumer applications, such as handheld video game systems and portable computing devices.

Working Principle

The MAX1792EUA33/V+ operates on the basic principle of controlling output voltage by varying the voltage drop across a series pass element. Specifically, the MAX1792EUA33/V+ uses a P-channel MOSFET to control the output voltage.When the MAX1792EUA33/V+ is supplied with power, an error amplifier monitors the output voltage. When the output voltage differs from the set point, the error amplifier signals the P-channel MOSFET to adjust the voltage drop across it. The resistance of the series pass element is inversely proportional to the voltage drop, so reducing the voltage drop across the P-channel MOSFET reduces the resistance of the series pass element, which increases current flow and raises the output voltage.Conversely, if the output voltage is higher than the set point, the error amplifier signals the P-channel MOSFET to increase the voltage drop across it. This increases the resistance of the series pass element, reducing current flow and thereby lowering the output voltage. Through this feedback loop, the MAX1792EUA33/V+ is able to maintain a steady output voltage regardless of changes in input voltage or load current.

Conclusion

The MAX1792EUA33/V+ is a high-performance linear voltage regulator from Maxim Integrated. It features a low-dropout voltage of up to 2.6V, a wide output voltage range from 1.2V to 3.6V, and a high current capability of up to 2A. It also has current limiting and short-circuit protection, fast transient response, and high efficiency operation, making it suitable for a variety of applications including automotive electronics, industrial control systems, and handheld video game systems. The regulator operates according to the principle of controlling output voltage by varying the voltage drop across a series pass element. By allowing the voltage drop across the series pass element to be adjusted in response to changes in output voltage and load current, the regulator is able to maintain a steady output voltage. The MAX1792EUA33/V+ is an ideal choice for applications requiring a high current linear voltage regulator.

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