LP3871ESX-3.3/NOPB

Current - Output:	800mA
Base Part Number:	LP3871
Supplier Device Package:	DDPAK/TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	73dB ~ 57dB (120Hz)
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	5mA
Series:	--
Voltage Dropout (Max):	0.35V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to the LP3871ESX-3.3/NOPB

The LP3871ESX-3.3/NOPB is a low dropout linear voltage regulator from Texas Instruments. It is designed to efficiently regulate and maintain low voltage input in portable electronics such as phones, laptops and tablets.When input voltage falls below output voltage, the regulator maintains output voltage at 3.3 volts, allowing for a constant output at integrated circuits (ICs). In addition, its low quiescent current and high ripple rejection make it a popular choice for many applications.

Features and Benefits

The LP3871ESX-3.3/NOPB has a number of features and benefits that make it an ideal choice for linear voltage regulators. These include:• Input voltage range of 1.2-15 volts• Output current of up to 1.6 amps• Low dropout of 300 mV• High ripple rejection of 57 dB• Low quiescent current of 5 mA• Low thermal resistance• Adjustable output voltage

Application Field and Working Principle

The LP3871ESX-3.3/NOPB is used in numerous applications, including portable electronics, embedded systems and automotive systems. The device is capable of delivering up to 1.6 amps of continuous output current, making it suitable for a variety of power requirements.The LP3871ESX-3.3/NOPB operates by taking a higher input voltage and regulating it down to a lower, stable output voltage. The regulator maintains output voltage even when the input voltage drops below the desired output voltage, thus providing a safe, continuous power supply to ICs. The LP3871ESX-3.3/NOPB is capable of a low dropout voltage of 300 mV and high ripple rejection of 57 dB. This ensures a smooth, clean output without any unwanted noise.The LP3871ESX-3.3/NOPB also has a low quiescent current, meaning that it won’t draw any unnecessary power and can operate in a wide temperature range. This makes it an ideal choice for environments where space and power consumption are limited, such as in portable electronics.

Conclusion

The LP3871ESX-3.3/NOPB is a versatile linear voltage regulator from Texas Instruments. With features such as a wide input voltage range, adjustable output voltage and low quiescent current, it is suitable for a variety of applications, including portable electronics, embedded systems, and automotive systems. Its low dropout voltage and high ripple rejection ensure a smooth, reliable output and make it a popular choice for many applications. Overall, the LP3871ESX-3.3/NOPB is an excellent choice for a low dropout linear voltage regulator, making it a great option for designers seeking a reliable, energy-efficient power supply.

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