MAX1793EUE25+T

Current - Output:	1A
Base Part Number:	MAX1793
Supplier Device Package:	16-TSSOP-EP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable, Reset
PSRR:	--
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	0.45V @ 1A
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 to MAX1793EUE25+T

The MAX1793EUE25+T, from Maxim Integrated Products, Inc., is a high performance, low quiescent current linear voltage regulator with a unique feature set and a wide range of applications.It offers advanced features that make it a great choice for applications such as boosting, bucking, or smearing. It can easily be set-up for edge-triggered or continuous mode switching. Its high current capability and low noise ensures it is a reliable device for all your voltage regulation needs.The MAX1793EUE25+T is a combination of a low-quiescent current linear regulator and a buck-boost converter. It combines both of these functions in a single IC, allowing it to be used in applications requiring both buck and boost voltage regulation. The output voltage can be adjusted by changing the logic level of its control pins.The MAX1793EUE25+T is available in a SOIC-8, DIP-8, or SSOP-8 package. Its high power efficiency and small physical size make it ideal for high power density applications.

Application Field of MAX1793EUE25+T

The MAX1793EUE25+T linear voltage regulator can be used in a wide range of applications. It is ideal for high power density applications such as portable device applications and automotive, laptop, television, and gaming system applications.It has a very low dropout voltage, so it can be used in low voltage applications such as 3.3V and 5V systems. It is also capable of being used as a synchronous buck-boost regulator in case the output needs to be driven at a higher voltage.The MAX1793EUE25+T performs well in battery-powered applications, such as powering a wide range of portable electronic devices. It has an exceptionally low quiescent current of 8µA, which makes it ideal for extending the battery life of portable devices.It can also be used in other applications that require a high-current and low-noise linear regulator. These include powering audio circuits, powering wireless transceivers, or providing power for a wide range of microcontrollers.

Working Principle of MAX1793EUE25+T

The MAX1793EUE25+T is a low-current, low-noise linear voltage regulator. It has a wide input voltage range, allowing it to be used in applications with a DC power source (3V to 24V).The IC consists of two major components: a voltage regulator, and a voltage supervisor. The voltage regulator is made up of an operational amplifier (opamp), a feedforward compensation network, as well as MOSFETs. The output MOSFETs switch in an edge-triggered or continuous mode, depending on the state of the logic control pins. The voltage supervisor monitors the voltage at the output VOUT. If the output falls below the valid range, the voltage supervisor will open the power MOSFETs, which can be used for fault protection. It also ensures that the output voltage is within its specified range and prevents damage from excessive loading.The MAX1793EUE25+T operates in either linear or synchronous buck-boost mode. In the linear mode, the voltage output is stable and low noise, making it ideal for sensitive applications. In synchbucks/boost mode, the output voltage is monitored by the voltage supervisor, and can be adjusted by changing the logic signals of the control pins.The MAX1793EUE25+T offers an adjustable feedback network, allowing the user to adjust the output voltage according to their application\'s requirements. It also has a very low dropout voltage (390 mV @ 1A), which makes it suitable for a wide range of applications.

Conclusion

The MAX1793EUE25+T is a high performance, low quiescent current linear voltage regulator with a wide range of applications. It is a combination of a low-quiescent current linear regulator and a buck-boost converter, allowing it to be used in applications that require both buck and boost voltage regulation. Its high power efficiency, small physical size, and low dropout voltage make it ideal for high power density applications. It is a reliable device for sensitive applications and for heavy loads that require both high current and low noise.

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