LP5951MF-2.8

Current - Output:	150mA
Base Part Number:	LP5951
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	60dB ~ 50dB (100Hz ~ 10kHz)
Current - Supply (Max):	70µA
Current - Quiescent (Iq):	55µA
Series:	--
Voltage Dropout (Max):	0.35V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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LP5951MF-2.8 Application Field and Working Principle

The LP5951MF-2.8 belongs to the group of voltage regulators. It is a Linear, PMIC (Power Management Integrated Circuit). It is commonly used in applications such as cell phones, tablets, e-readers, and computers. It is designed to provide stable output voltage from the input power supply.The LP5951MF-2.8 can be used as a voltage regulator in any application that requires a low voltage, precision voltage output. It can be used to regulate the voltage supply for microprocessors, memory, logic circuits, sensors, analog-to-digital converters, and other integrated circuits.The LP5951MF-2.8 is a low-dropout, low-noise, linear, 500 mA (max) regulator. Its output voltage can be set to a preset value between 1.8V to 3.6V using the two pins, SET1 and SET2. It is a small, light-weight and low-cost solution for any circuit requiring a low-voltage, precision output.The LP5951MF-2.8 has a shutdown pin (SHDN) which can be used for controlling the regulator\'s output voltage. The regulator can be disabled by driving the SHDN pin low. This provides the flexibility to turn the device off and on without removing the power altogether.The LP5951MF-2.8 also features under-voltage protection, over-voltage protection, thermal shutdown protection, current limit protection and short-circuit protection. These safeguards help protect the device and the circuit from any risks that may arise out of over-voltage, over-current, or any other fault conditions.The LP5951MF-2.8\'s working principle is based on the basic principles of a linear voltage regulator. The input voltage is regulated to the desired level at the output by the regulator IC.It works on the same basic principles as a transistor-based linear regulator — i.e., a varying level of conductivity between the input and output of the IC. When the voltage is too high at the output, then the transistor reduces its conductance, resulting in the output voltage dropping lower. Similarly, when the output voltage is too low, the transistor increases its conductance, raising the output voltage.The LP5951MF-2.8 is an efficient low-voltage regulator designed to provide a stable, low-voltage, precision output. It is easy to configure, and offers a variety of safeguards to protect the device and circuit. It is a reliable and cost-effective solution for circuits requiring Voltage Regulation and low-noise, low-dropout linear regulation.

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