LP3988IMFX-3.0/NOPB

Current - Output:	150mA
Base Part Number:	LP3988
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 Temperature, Short Circuit
Control Features:	Enable, Power Good
PSRR:	65dB ~ 45dB (1kHz ~ 10kHz)
Current - Supply (Max):	200µA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.15V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

LP3988IMFX-3.0/NOPB Application Field and Working Principle

LP3988IMFX-3.0/NOPB belongs to the category of PMIC (Power Management IC) – Voltage Regulators – Linear. In order to understand this product and its application field, one needs to understand the concepts and working principles of voltage regulators and linear regulators in general.A voltage regulator is a device that is designed to maintain the output voltage of an electrical system at a constant level, regardless of the changes in the load or supply voltage. The voltage regulator can be either a linear or a switching device. Linear regulators are used to reduce the input voltage to a stable output voltage with a linear mechanism (voltage regulation). The output voltage is set using a variable resistor.Linear regulators generally have 3 terminals: input, output and ground. The input terminal connects to the source of the higher voltage. The output terminal connects to the load, i.e. the device that needs to be powered. The ground terminal connects to the ground, i.e. a reference voltage.The principle behind a linear voltage regulator is fairly simple. It uses an internal transistor to control the output voltage. When the input voltage is greater than the output voltage, the transistor increases the current passing through the regulator, thus reducing the output voltage until it is equal to the input voltage. Likewise, when the input voltage is less than the output voltage, the transistor decreases the current passing through the regulator, thus increasing the output voltage until it is equal to the input voltage.The LP3988IMFX-3.0/NOPB is a monolithic integrated circuit with adjustable output voltage, providing linear regulation and also offering greater than 5A current regulation at fixed output voltages of 1.8V, 2.5V and 3.3V. Its performance is optimized for mobile phones, digital still cameras and other applications requiring a power solution with a very low quiescent current of 1µA for all outputs, high output accuracy, low dropout voltage and good load and line transcend.Another important feature of LP3988IMFX-3.0/NOPB is its thermal shutdown protection. This protection makes sure that the device does not overheat, as this could cause malfunction or even damage it. The device also features a low-battery detect, which can detect when the supply voltage is below a certain threshold. It also features a power good output, which indicates the presence of a valid power source in the circuit.The LP3988IMFX-3.0/NOPB is ideal for a variety of applications, including mobile phones, digital still cameras, gaming consoles, GPS and automotive electronics. Its low dropout voltage, ultra-low quiescent current and high accuracy make it ideal for applications requiring an efficient power management solution. For these reasons, this product is widely used in a variety of industries and applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description