MIC37151-1.8WR-TR

Voltage Dropout (Max):	0.5V @ 1.5A
Base Part Number:	MIC37151-1.8
Supplier Device Package:	S-PAK-5
Package / Case:	SPak-5 (5 leads + Tab)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Output:	1.5A
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC37151-1.8WR-TR Application Field and Working Principle

The MIC37151-1.8WR-TR is a linear voltage regulator from the PMIC (power management integrated circuits) family of products. It is a low dropout voltage linear regulator with very good transient performance and is designed for input voltages greater than the output voltages. It features a low dropout voltage and ultra low voltage operation, making it suitable for a variety of applications including mobile phones, laptops, and other low-power, hand-held devices.The MIC37151-1.8WR-TR is a 3-pin voltage regulator chip that can adjust, filter, reduce, and stabilize input voltages as low as 1.2V. Its maximum output current is 120mA and its maximum output voltage is 1.8V. The IC includes an enable pin, which can be used to shut down the regulator when its input voltage is low. It also includes an integrated internal over-temperature protection circuit, making it suitable for applications requiring Thermal Management.The MIC37151-1.8WR-TR linear regulator works by employing a PNP bipolar transistor to regulate current flow between the input and output pins. The regulator\'s voltage reference is determined by the voltage on the enable pin. When the enable pin voltage is below the reference voltage, the regulating transistor is configured to allow a current flow between the input and output pins. This current flow results in a reduction of the output voltage as the input voltage increases. Conversely, when the enable pin voltage is above the reference voltage, the regulating transistor is blocked from allowing current flow between the input and output pins, and the output voltage is held at a constant level.The MIC37151-1.8WR-TR linear regulator is ideal for applications such as mobile phones, tablets, laptops, and other hand-held low-power devices that require a low-dropout voltage and high-accuracy voltage regulation. Its integrated over-temperature protection circuit also makes it suitable for thermal management applications. It is highly efficient, with a quiescent current of only 30uA, enabling it to save power and extend battery life.The MIC37151-1.8WR-TR linear voltage regulator is an example of the many voltage regulating products available on the market. It is designed to meet the demanding requirements of today\'s handheld and mobile devices, offering a low-dropout voltage operation and high-accuracy voltage regulation. With its high efficiency operation and over-temperature protection circuit, the MIC37151-1.8WR-TR is suitable for a variety of applications.

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