MIC2204YMM

Voltage - Output (Min/Fixed):	1V
Base Part Number:	MIC2204
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	600mA
Voltage - Output (Max):	5.5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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Introduction

The MIC2204YMM is a low-profile DC-DC switching regulator designed for use in low-power applications, such as LED lighting. It has a wide-input voltage range and can generate up to 1.2A of current at a steady output, allowing for very efficient and accurate power conversion. It also supports a range of step-down, step-up and buck-boost switching modes.

Application Field

The MIC2204YMM is ideal for a range of applications, such as automotive, industrial, consumer, lighting and communications. It can be used in applications such as powering LEDs, and it can support input and output voltages from 3.6V to 40V and from 0.8V to 15V respectively. It is designed to be very efficient and can operate in temperature ranges from -40°C to +125°C, making it suitable for use in extreme conditions. Moreover, as it has low output ripple, it can provide great power quality.

Working Principle

The MIC2204YMM uses a buck-boost topology, which allows it to provide a very efficient power conversion, switching between step-down and step-up whenever necessary. It modulates the output voltage by adjusting the duty cycle of the pulse-width modulated (PWM) signal. The duty cycle can be adjusted by monitoring the voltage of the output pin with a feedback network. As the output voltage increases, the feedback network increases the duty cycle, thereby decreasing the output voltage and maintaining the desired level. The whole process is controlled by an on-chip voltage comparator and an internal current-limited driver.

Conclusion

The MIC2204YMM is a low profile DC-DC switching regulator designed for low-power applications. It has a wide-input voltage range and can generate up to 1.2A of current at a steady output, allowing for highly efficient and accurate power conversion. Its buck-boost topology enables continuous step-down, step-up and buck-boost switching modes, and it can be used in a range of different applications. It supports input and output voltages from 3.6V to 40V and from 0.8V to 15V respectively, and it can operate reliably in extreme temperatures of -40°C to +125°C. Its low output ripple also makes it suitable for providing good power quality.

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