MIC5236-1.8BMM

Current - Output:	150mA
Base Part Number:	MIC5236-1.8
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Load Dump, Over Current, Over Temperature, Over Voltage, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	5mA
Current - Quiescent (Iq):	30µA
Series:	--
Voltage Dropout (Max):	0.5V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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Introduction

The MIC5236-1.8BMM is an adjustable low dropout linear regulator and part of the Analog Devices family of PMICs (Power Management ICs). This IC integrates an efficient, low quiescent current linear regulator with a very low dropout voltage, a high-speed shutdown (HSS) feature, and an adjustable reverse current protection circuit. The MIC5236-1.8BMM features a wide operating range from 2.7V to 5.5V and is available in a 10-pin micro SMD package making it suitable for applications which require a low cost and low power linear regulator.

Application Field

The MIC5236-1.8BMM has a wide range of applications, including, but not limited to, consumer electronics, automotive, wired and wireless communication and computing devices. This device is particularly well-suited for supplying 1.8V outputs to digital circuits, and can also be used to supply different output voltages as required by the application. The MIC5236 is also ideal for powering low-power microcontrollers, as it offers an extremely low quiescent current, eliminating the need for an active reset and providing long battery life in portable applications.The MIC5236-1.8BMM also has high efficiency for conversion of large input voltage dynamics, making it suitable for use in renewable energy applications, such as solar or wind energy harvesting systems. It is designed to maintain a regulated output voltage even in cases of large input voltage variations, allowing it to be used in motor order control and voltage stabilisation with minimal power loss.

Working Principle

The MIC5236-1.8BMM is a low dropout (LOD) linear regulator that uses a PNP pass transistor to maintain a constant output voltage. This device uses an internal reference voltage to compare the feedback voltage (output voltage) against. If these values are not equal, the output voltage is adjusted until they are equal and a stable output is achieved.The MIC5236-1.8BMM also features an internal protection circuit which prevents a reverse current from flowing from the output to the input if the input and output are connected. This will protect the device from damage due to short circuit or other overcurrent conditions. Finally, the MIC5236-1.8BMM also has a high-speed shutdown (HSS) feature which will quickly shut down the device if the output voltage exceed a certain value.

Conclusion

The MIC5236-1.8BMM is a versatile, low-cost, low-power linear regulator for applications which require an adjustable output voltage. It is suitable for applications such as consumer electronics, automotive, wired and wireless communication and computing devices, and is particularly well-suited for providing 1.8V outputs to digital circuits. With its wide operating range, low quiescent current, and reverse current protection circuit, the MIC5236-1.8BMM is a reliable and cost-effective solution for applications which require low power consumption and stability.

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