MAX1792EUA25/V+T

Current - Output:	500mA
Base Part Number:	MAX1792
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
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	0.36V @ 500mA
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	1.25V (2.5V)
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

MAX1792EUA25/V+T is a low dropout linear voltage regulator from MAXIM Integrated Products. This regulator is designed to provide low output noise, low quiescent current, low dropout and fast transient response. It is capable of operating at loads over a wide range voltage range of up to +/-25V and which makes it suitable for many applications.The MAX1792EUA25/V+T has typical output noise of less than 70 μVrms and is offered in five output voltage grades for fixed output voltage. It is designed with a number of other features such as current-limited protection, thermal shutdown, and reverse leakage protection.

Application Fields

The MAX1792EUA25/V+T is suitable for many demanding applications such as networking, communications, industrial equipment and consumer electronic equipment.It can be used in applications such as cellular base stations, switching power supplies, consumer and industrial electronics, point-of-load supplies, and individual or distributed power systems. It can also be used in systems which may require a very low dropout voltage at heavy load currents, making it suitable for use in a wide variety of power supply designs.The MAX1792EUA25/V+T is also suitable for applications with fast current transient demands, as it offers fast response time ensuring that the output voltage stays at the desired level with minimal variation at varying load currents. This regulator is also ideal for use in systems with frequent power cycling and in communication systems where power consumption and low EMI are important.

Working Principle

The operating principle of the MAX1792EUA25/V+T is based on an internal p-channel MOSFET, which serves as a series pass element to regulate the output voltage. By controlling the gate voltage applied to the MOSFET, the output voltage can be accurately regulated.The output voltage is controlled by an on-chip error amplifier, which compares the output voltage to a reference voltage and adjusts the bias current as necessary to maintain the output voltage constant. This regulator also features current-limited protection by controlling the gate voltage of the MOSFET. The current-limited protection ensures that the current through the MOSFET does not exceed the safe operating range.The MAX1792EUA25/V+T also features reverse leakage protection, which prevents the output voltage from exceeding the reverse breakdown voltage of the internal MOSFET.

Conclusion

In conclusion, the MAX1792EUA25/V+T is an economical, low dropout linear voltage regulator, ideal for use in applications where low dropout, low noise, fast transient response and current limited protection are important considerations. The device is suitable for a wide range of power supply designs, and is capable of providing voltage regulation over a wide input voltage range, making it an ideal choice for many types of design.

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