LP3964ET-2.5

Current - Output:	800mA
Base Part Number:	LP3964
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	9mA
Series:	--
Voltage Dropout (Max):	0.35V @ 800mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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LP3964ET-2.5 is a low-dropout, low-noise, linear voltage regulator specifically designed for battery-powered portable applications. This voltage regulator features low current consumption for both active and shutdown modes, low dropout voltage, adjustable output voltage, and can supply up to 2.5 A of output current. LP3964ET-2.5 is a member of PMIC (Power Management Integrated Circuit) family and falls under the category of Voltage Regulators - Linear. PMIC is a single chip solution that integrates multiple voltage regulators, embedded current sources/sinks, switches and charging circuits in one IC. PMICs are designed to provide power management solutions consisting of multiple functional blocks within one package. Voltage regulators are one of the most essential functional blocks in any power management system, and they are responsible for providing an adequate and constant voltage to the connected load. It can also be used in systems running on lower voltages so as to stabilize the output power.LP3964ET-2.5 Linear Regulator ApplicationLP3964ET-2.5 is designed to be used in applications that require low noise, low dropout and high current output in battery-powered portable devices. The device can also be used to ensure that voltage fluctuations due to external interferences or load currents will be kept to minimum or kept under control. It is suitable for powering high current digital circuitry, interface applications, and audio amplifiers.The LP3964ET-2.5 also offers a set of features that makes it well-suited for battery-powered applications. The device has a very low operating current and low shutdown current that makes it ideal for use in low power devices. The device also has an interrupt pin that can be used to reduce power consumption further by disabling the device when the voltage is below a certain threshold. It also offers a soft-start function that prevents damaging inrush currents and the output voltage is adjustable, allowing for precise control over the output.LP3964ET-2.5 Linear Regulator Working PrincipleThe LP3964ET-2.5 is a low-dropout, low-noise, linear voltage regulator. It works on the principle of linear regulation which is based on a series of transistors and resistors that act as an electrical control system. The LP3964ET-2.5 takes an input voltage, usually from a battery, and uses a combination of transistors and resistors to reduce the voltage down to the desired level before supplying it to the load. The voltage regulator is designed in such a way that it compensates any changes in input voltage, output current and temperature variations by adjusting the resistance between its output and the input. The device also incorporates a set of protection features like over-current protection and short-circuit protection that helps to protect the device and the connected load from any unexpected occurrences.In conclusion, the LP3964ET-2.5 is a low-dropout, low-noise, linear voltage regulator specifically designed for battery-powered portable applications like powering high current digital circuitry, interface applications, and audio amplifiers. The device offers a good combination of features such as adjustable output voltage and low current consumption that make it suitable for use in battery-powered applications. The linear regulator is also equipped with protection features and interrupt pin that can be used to reduce power consumption when the voltage is below a certain threshold.

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