LP2952AIN-3.3/NOPB

Current - Output:	250mA
Base Part Number:	LP2952
Supplier Device Package:	14-DIP
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	33mA
Current - Quiescent (Iq):	170µA
Series:	--
Voltage Dropout (Max):	0.8V @ 250mA
Voltage - Output (Max):	29V
Voltage - Output (Min/Fixed):	1.23V (3.3V)
Voltage - Input (Max):	30V
Number of Regulators:	1
Output Type:	Adjustable (Fixed)
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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IntroductionThe LP2952AIN-3.3/NOPB is a voltage regulator that is particularly well suited for providing a stable output voltage from sources of higher voltages. The IC is a part of the linear family of voltage regulators, which provide a regulated output voltage by using an externally provided voltage for operation. Furthermore, it is part of the PMIC (Power Management IC) devices, and provides a stable voltage without heating or wasting energy.Application FieldThe LP2952AIN-3.3/NOPB has a wide array of usage, which includes its implementation in providing a regulated voltage for automobiles, LED lighting, household electronic and industrial electronic applications, such as air-conditioners, and other industrial and consumer electronic items.It is used primarily in applications that require a low-cost and reliable voltage regulator, such as in battery-operated and portable handheld devices, where the LP2952AIN-3.3/NOPB is particularly well suited. Furthermore, the IC is ideal as a voltage reference in calibrating instrumentation and signal conditioning applications, as well as providing a static voltage reference in battery-powered, low power systems.Design AdvantagesThe design of the LP2952AIN-3.3/NOPB integrates several features that provide it with a range of advantages over other voltage regulators. For example, the IC features an improved process, allowing for a wider range of input voltages and lower dropout voltage operations. This combined with an internal voltage reference of 3.20V, which is accurate to ±2%. Furthermore, the IC features several protection features, such as a reverse voltage protection circuitry and a thermal shutdown feature.Working principleThe LP2952AIN-3.3/NOPB works by using a series of resistors and diodes to pass the incoming voltage through a series of steps. The regulator works by controlling the input current, instead of controlling the output voltage directly.The IC uses two external resistors to control the respective input and output voltages. These resistors act to form a voltage divider, with the ratio between the two being established by the voltage drops across them. The feedback mechanism of the IC is designed to maintain the output voltage at the target level, and works by controlling the input current within its specified limits.ConclusionThe LP2952AIN-3.3/NOPB is a linear voltage regulator that is specially designed for providing a reliable and stable output voltage from higher voltage sources. It is used primarily for providing a regulated voltage for automobiles, LED lighting, household electronic and industrial electronic applications, as well as for providing a static voltage reference in battery-powered, low power systems. Furthermore, it integrates an improved process, allowing for wider range of input voltages and lower dropout voltage operations. The IC functions by means of a voltage divider formed by two resistors, which is used to control the input and output voltages, while a feedback mechanism works to maintain the output voltage at the target level.

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