LP5952TL-1.4/NOPB

Current - Output:	350mA
Base Part Number:	LP5952
Supplier Device Package:	5-DSBGA (1.41x1.08)
Package / Case:	5-WFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Short Circuit, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	80dB ~ 64dB (10Hz ~ 100kHz)
Current - Supply (Max):	100µA
Current - Quiescent (Iq):	28µA
Series:	--
Voltage Dropout (Max):	0.2V @ 350mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.4V
Voltage - Input (Max):	4.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Linear voltage regulator is a voltage regulator that provides the most basic output voltage regulation function. Among the most commonly used voltage regulator is the LP5952TL-1.4/NOPB.It\'s an adjustable output voltage regulator with low-noise and low-dropout linear regulation. This regulator is an ideal solution for applications with low quiescent currents and optimized transient response. By using N-Channel MOSFETs, it effectively reduces the total current consumptions.

Application Field

The LP5952TL-1.4/NOPB is perfect for many different kinds of applications. Such as: smart phones, tablets and computers. When used with the other components from the same family, it offers flexibility in design, reduced component count and improved power savings. It can also be used during power sequencing or voltage conversion applications.

Working Principle

The LP5952TL-1.4/NOPB works by creating a control loop in the output voltage. The device is designed to act as an operational amplifier. The device compares the output voltage with a reference voltage and outputs the necessary cues to the external circuitry, such as an active filter, to adjust the output voltage to the desired amount.In addition, the LP5952TL-1.4/NOPB contains a voltage sense pin, allowing the device to detect sudden output voltage drops, before delivering power to the processor, thus eliminating any potential damage due to over voltage.

Features

The LP5952TL-1.4/NOPB is equipped with a wide variety of features not limited to:• Adjustable output voltage between 0.5V and 4V• Current limit of 1.2 A• Low-dropout linear regulation• Low-noise linear regulation• Quiescent current of 25µA• High input voltage of 6.5V• Shutdown mode current of 0.1µA• Automatic load switch and protection circuitry• Excellent load and line transient response• Wide range of flexible design• Low external parts count• Improved power savings• Easy to use DMOS output transistor

Conclusion

The LP5952TL-1.4/NOPB is a low-noise and low-dropout linear voltage regulator that can be used for many different applications. It is adjustable, has low quiescent currents, optimized transient response and offers a wide range of features to facilitate design, reduce component count and minimize power consumption while providing protection to the processor.

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