LP3962ET-1.8

Current - Output:	1.5A
Base Part Number:	LP3962
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	9mA
Series:	--
Voltage Dropout (Max):	0.55V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Overview

The LP3962ET-1.8 is a low-dropout linear voltage regulator with an extended operating temperature range from -40 to +125 degrees Celsius. It features both high-side and low-side MOSFETs for improved efficiency in low-dropout applications, and offers an adjustable output voltage of up to 1.8V. The device also has protection features such as short-circuit and over-temperature protection, and is suitable for battery-powered applications.

Application Fields

LP3962ET-1.8 is a low-dropout voltage regulator designed for use in a range of applications, such as battery-powered mobile devices, radios, data loggers, and other applications that require a low-power level and an extended operating temperature range. It is also well suited for supplying voltage to sensors, LCD backlighting modules, embedded memory, and other components which need low-dropout voltage regulation.

Working Principle

LP3962ET-1.8 works based on a linear regulation principle, meaning that it uses an external MOSFETs (Metal-Oxide Semiconductor Field Effect Transistors) to create a closed-loop voltage control system. The MOSFETs control the amount of current passing through the regulator to regulate the output voltage. The LP3962ET-1.8 has both high-side and low-side MOSFETs, which helps reduce the voltage drop from input to output, allowing it to operate in low-dropout applications.In addition to the MOSFETs, the LP3962ET-1.8 features an internal voltage reference, linear circuitry, and over-temperature, over-current, and short-circuit protection, as well as a power-good LED indicator. The device also has an adjustable output voltage range of 0.8 to 1.8V, allowing it to be used in a variety of applications.

Conclusion

In conclusion, the LP3962ET-1.8 is an adjustable low-dropout voltage regulator which offers extended operating temperature range, low-dropout performance, and protection features. The device is suitable for a wide range of battery-powered applications, including data loggers, sensors, LCD backlighting modules, embedded memory, and more. It works based on a linear regulation principle, using external MOSFETs to control the amount of current passing through the regulator and regulate the output voltage to the desired level.

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