LP3981ILDX-3.3/NOPB

Current - Output:	300mA
Base Part Number:	LP3981
Supplier Device Package:	6-WSON (3x4)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	50dB ~ 55dB (1kHz ~ 10kHz)
Current - Supply (Max):	210µA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.2V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The LP3981ILDX-3.3/NOPB is a linear voltage regulator that provides precise, low-noise power for high-precision and low-noise analog and digital applications. It has a wide input voltage range of 2.2V to 18V, and the output is adjustable to 1.8V to 5.5V by simply connecting two external resistors. The LP3981ILDX-3.3/NOPB is designed to provide excellent power conversion, while still maintaining high efficiency and low noise.The LP3981ILDX-3.3/NOPB is an ideal choice for any application requiring low output ripple and low noise. The low output noise of less than 8 μV RMS makes it well suited for audio, video, and medical applications while its low output ripple of less than 10 mV makes it ideal for applications such as motor drives and preamps. The device also has a high input voltage range that allows it to be used for a variety of applications.The LP3981ILDX-3.3/NOPB application field includes low noise and high precision instruments, medical equipment, power supplies, emergency power supplies (pumps, lights, etc.), battery chargers, and automotive applications. This device also can be used for power supply design, power supply voltage stabilization, and DC/DC converters.The LP3981ILDX-3.3/NOPB works by using an external resistor voltage divider to set the output voltage of the regulator. It is a variable-regulation linear regulator capable of operating at currents up to 1A and supplying a steady, regulated output voltage no matter how much the input voltage varies. The device features an on-chip voltage reference to ensure precise voltage output and stability.The LP3981ILDX-3.3/NOPB also features short-circuit protection, over-temperature protection, and reverse-current leakage protection. These features help to ensure that the device is protected from damage caused by overexertion and environmental conditions.Finally, the LP3981ILDX-3.3/NOPB is provided in the small SOT-223UR package and is supported by a wide temperature range from -40 to 85°C.In summary, the LP3981ILDX-3.3/NOPB is a low-noise, precise, linear voltage regulator designed to provide a precise output voltage from 2.2V to 18V, regardless of the input voltage. Its low noise and high efficiency, as well as its high input voltage range and wide temperature range, make it an ideal choice for applications requiring low output noise and high precision. Its features such as short-circuit protection, over-temperature protection, and reverse-current leakage protection ensure that the device is protected from damage. Finally, it is provided in the small SOT-223UR package, making it a great choice for space-constrained applications.

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