MIC37301-1.8YME

Voltage Dropout (Max):	0.55V @ 3A
Base Part Number:	MIC37301-1.8
Supplier Device Package:	8-SOIC-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Output:	3A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Bulk

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Introduction

The MIC37301-1.8YME is an advanced, high-performance, low cost, monolithic, linear voltage regulator specifically designed for general purpose and automotive applications. In this article, we\'ll discuss the application field and working principle of MIC37301-1.8YME.

Application field

MIC37301-1.8YME\'s applications include:

• Power supply for automotive radio, data systems, and other automotive electronics
• Power supplies for computing, communications systems, and other general purpose applications
• Battery charging circuits
• Post-regulators for switching power supplies
• Regulators for specific automotive or industrial applications

Working principle

The MIC37301-1.8YME linear voltage regulator has a wide operating temperature range of -40 to +125 °C and is designed to provide an output voltage range of 1.8V to 3.3V with an accuracy of ±1.5%. Its external parts occupy a minimum of board space and it includes advanced circuitry to deliver great levels of performance and reliability.The device includes an on-chip PWM controller, an VR (Voltage Regulation) circuit, an adjustable current limit and a temperature - compensation circuit. The PWM controller provides the main control for the entire device. It is responsible for generating the output voltage in response to load and temperature problems.The VR circuit is responsible for comparing the output voltage with a reference voltage and adjusting the duty-cycle of the PWM controller to maintain the output voltage at its required level. The adjustable current limit circuit is used to control the maximum current taken by the device, while the temperature - compensation circuit is used to adjust the duty cycle of the PWM controller to maintain the output voltage at its required level under varying temperatures. The combination of these features allows the MIC37301-1.8YME to provide impressive performance, reliability and stability.

Conclusion

In conclusion, the MIC37301-1.8YME is an advanced and feature-packed linear voltage regulator offering wide, reliable operation and great performance in a variety of applications. It includes an on-chip PWM controller, VR circuit, current limit, and temperature - compensation circuit, allowing it to deliver impressive performance and reliability in wide range of applications.

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