MIC2172BN

Voltage - Output (Min/Fixed):	1.24V
Base Part Number:	MIC2172
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	100kHz
Current - Output:	1.25A (Switch)
Voltage - Output (Max):	65V (Switch)
Series:	--
Voltage - Input (Max):	40V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost, Cuk, Flyback, Forward Converter
Output Configuration:	Positive or Negative, Isolation Capable
Function:	Step-Up, Step-Up/Step-Down
Part Status:	Obsolete
Packaging:	Tube

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What is the MIC2172BN?

The MIC2172BN is a DC/DC switching regulator module designed to provide voltage regulation and power supply isolation. It is a three-terminal regulator with a built-in N-channel MOSFET, which provides low loss switching. The device has an adjustable output voltage range between 3.6V and 36V, and can provide a maximum output current of 2A.

Application Field of MIC2172BN

The MIC2172BN is suitable for any application that requires a regulated voltage or requires isolation from the input supply. It is commonly used in many applications such as car accessories, industrial equipment, consumer electronics, medical equipment, telecommunications, white goods, and consumer appliances. The MIC2172BN can be employed as an isolated power supply for isolated signal conditioning applications, and can be used in a variety of applications where isolation is necessary like automotive supplies, civil power supply and networking applications. In addition, this device can also be used to regulate the output voltage in battery chargers, DC motor control, LED backlight systems, and other DC-to-DC applications.

Working Principle of MIC2172BN

The MIC2172BN works by using pulse-width modulation (PWM) to switch current between an input voltage source and a storage component, typically a capacitor or inductor. When the MIC2172BN\'s "enable" pin is pulled low, the internal MOSFET opens and the output current becomes equal to the input current.When the enable pin is driven high, the MOSFET is closed and the output current will start to build up. When the output voltage reaches the preset target voltage, the internal comparator toggles and the power MOSFET is opened. As current decreases, the internal MOSFET is closed again and the cycle starts over. In this way, the MIC2172BN can generate a steady and regulated output voltage.The MIC2172BN also features voltage limiting and over-voltage protection, and can be used in applications that require very high current.

Conclusion

The MIC2172BN is an adjustable voltage regulator module designed to provide voltage regulation and power supply isolation. It is commonly used in many applications such as car accessories, industrial equipment, consumer electronics, medical equipment, telecommunications, white goods, and consumer appliances. The working principle of this device is based on pulse-width modulation, and it also features voltage limiting and over-voltage protection. Overall, the MIC2172BN is an ideal choice for regulated voltage and power supply isolation.

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