MIC2179-3.3YSM

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	MIC2179
Supplier Device Package:	20-SSOP
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	200kHz
Current - Output:	1.5A
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	16.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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MIC2179-3.3YSM DC DC Switching Regulators

The MIC2179-3.3YSM is an ultra low voltage regulator from the family of DC DC switching regulators. Primarily used in automotive applications, it is especially well-suited to serve as a low voltage power supply for devices such as lighting, ECUs and Sensors.

Features of the MIC2179-3.3YSM

The MIC2179-3.3YSM regulator offers an array of features designed to cater to the needs of automotive applications. It has an input voltage range of 4.8-42V and its switching frequency range is programmable between 500kHz and 2MHz. This enables it to provide an adjustable output power of up to 60W while operating at high efficiency.The regulator also offers protection functions such as over current protection, short-circuit protection, soft start and temperature protection that allows it to be used in a wide range of applications. As a result of its modular construction, it can be tailored quickly and easily for multiple applications.

Working Principle of the MIC2179-3.3YSM

The working principle of the MIC2179-3.3YSM involves two stages: The first stage involves the switching regulator IC which contains an internal low power driver and switching transistor, together with logic and control circuitry. This stage is responsible for controlling the output voltage and current.The second stage involves the output power stage which includes an inductor and two transistors, as well as an RC filter at the output. This stage is responsible for providing the final output voltage and current. The regulator IC uses the input voltage to control the switching transistor, thus regulating the current in the output stage. This process is repeated in regular intervals and the output voltage is adjusted accordingly. The MIC2179-3.3YSM is designed to provide a constant output voltage over a wide range of operating conditions. The switching regulator ensures steady operation, even when the input supply is slightly different from the desired output voltage, by providing the necessary adjustments.

Applications of the MIC2179-3.3YSM

The MIC2179-3.3YSM is primarily used in automotive applications due to its low voltage, low noise and high efficiency operation. It can be used in a variety of applications such as in ECUs and sensors, providing stable power supply for lighting applications, for powering infotainment systems, for powering telematics and navigation systems, and many other applications. In addition to automotive applications, the MIC2179-3.3YSM is also suitable for applications in industrial, medical and consumer sectors where a low voltage supply is needed.

Conclusion

The MIC2179-3.3YSM DC DC switching regulator provides a reliable and efficient low voltage power supply for automotive applications and is also suitable for various other applications where a low voltage power supply is required. It offers an input voltage range of 4.8-42V and provides an adjustable output power of up to 60W. The regulator also offers several protection functions and its modular construction allows it to be quickly and easily adapted for multiple applications.

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