MIC23156-0YCS-TR

Voltage - Output (Min/Fixed):	0.7V
Base Part Number:	MIC23156
Supplier Device Package:	16-WLCSP
Package / Case:	16-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	3MHz
Current - Output:	1.5A
Voltage - Output (Max):	2.4V
Series:	HyperLight Load®
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MIC23156-0YCS-TR, produced by Microchip, is a high-performance, low-profile buck DC/DC switching regulator controller. This device is intended as a part of a circuit to reduce the voltage supplied by input power sources, while preserving the target voltage and current. This device is often used when the storage capacity or component size of a device dictates the use of a buck regulator controller.

Features

The MIC23156-0YCS-TR has several features that make it suitable for a variety of applications. It has an integrated 1.2A integrated high-side n MOSFET for fast switching, as well as an internal compensation network for stable operation. The MIC23156-0YCS-TR has a wide input voltage range from 4.5V to 30V, and a 3A low on-resistance output. Its maximum operating frequency is 1MHz, with a minimum of 250KHz for high efficiency. This device is also designed for high temperature operations and comes in a thermally enhanced 4-pin SOIC package.

Application Field

The MIC23156-0YCS-TR is a popular choice in a range of a diverse set of applications. It is most often used in portable and power-sensitive electronics, including smartphones, tablets, and other audio and video products. This device can also be used in automotive applications, where the wide input voltage range and high switching speed make it an excellent choice. The MIC23156-0YCS-TR can also be used in variable SMPS applications, responsible for providing the regulated voltage required by these types of power supplies. Finally, due to its regulation capability and relatively low profile, the MIC23156-0YCS-TR can also be used in applications that require a small footprint and high power efficiency.

Working Principle

The MIC23156-0YCS-TR works by using a buck converter circuit. The buck circuit consists of a high side n MOSFET, a low side MOSFET, a transformer, an inductor, a capacitor and a diode. When the device is turned on, the MOSFETs switch alternately, providing a steady current and generating a voltage drop across the transformer that is proportional to the input voltage. This voltage drop is then regulated using an internal voltage regulator circuit. The voltage regulator monitors the output voltage and adjusts the duty cycle of the MOSFETs accordingly, allowing the energy delivered to the load to remain constant.

Conclusion

The MIC23156-0YCS-TR is a high-performance, low-profile buck DC/DC switching regulator controller. It is a popular choice in various types of applications, ranging from portable electronics to automotive and SMPS applications. This device is a reliable choice for those looking to satisfy their power efficiency needs, and its wide input voltage range and high operating frequency makes it a great fit for any environment.

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