MIC2168YMM

Frequency - Switching:	1MHz
Base Part Number:	MIC2168
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Current Limit, Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	90%
Series:	--
Voltage - Supply (Vcc/Vdd):	3 V ~ 14.5 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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Introduction

MIC2168YMM is a range of DC-DC Switching Controllers from Microchip\'s family of Programmable Voltage Regulators. It is targeted for low-power applications, such as mobile phones and other handheld devices. It offers the highest power efficiency and improved portability. MIC2168YMM offers excellent current and voltage handling capabilities, making it suitable for applications of various power levels.

Features

MIC2168YMM offers several features to enhance the performance of your application. It has a wide input voltage range of 2.5V to 5.5V, enabling it to run on supply voltages of various levels. The adjustable switching frequency ensures efficient power delivery, while the programmable integrated voltage reference and adjustable current limit allow precise control and protection of the output devices. Additionally, the device provides accurate temperature monitoring and output voltage feedback, allowing it to adjust its operating conditions automatically to ensure reliable operation.

Application Fields

MIC2168YMM is ideal for use in mobile devices, including cell phones, smartphones, and other handheld devices. It is also suitable for use in industrial applications, low-power consumer electronics, medical devices, automotive systems, and point-of-sale terminals. It is capable of delivering up to 2A of current, making it suitable for applications with demanding supply requirements. Furthermore, its small form factor allows it to be integrated into compact electronic systems.

Working Principle

The working principle of MIC2168YMM is based on pulse width modulation (PWM). The device uses an internal oscillator to generate a pulse signal, which is then used to control the output voltage of the device. The PWM signal is compared with a voltage reference, which is adjustable. The output voltage is set by the reference, while the on-time of the pulses is varied to control the power flow. Additionally, the protection features of the device can detect over-current, over-temperature, and under-voltage conditions, shutting down the device to protect it from damage.

Conclusion

MIC2168YMM is an excellent addition to Microchip\'s family of Programmable Voltage Regulators. It is designed for use in low-power applications, offering a wide input voltage range, adjustable switching frequency, accurate temperature monitoring, and output voltage feedback. It also offers programmable voltage reference and adjustable current limit, allowing precise control and protection of the output devices. The device has been optimized for use in mobile devices, including cell phones, smartphones, and other handheld devices, as well as industrial, consumer, and automotive applications. The device is based on a pulse width modulation control scheme, which allows it to control its output voltage with high precision and accuracy.

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