LP2951ACMMX-3.3

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Adjustable (Fixed)
Number of Regulators:	1
Voltage - Input (Max):	30V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.6V @ 100mA
Current - Output:	100mA
Current - Quiescent (Iq):	120µA
Current - Supply (Max):	14mA
PSRR:	--
Control Features:	Enable
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	8-VSSOP
Base Part Number:	LP2951

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Introduction

The LP2951ACMMX-3.3 is a 3.3V voltage regulator that provides a unique solution for efficient and reliable power supply management. It provides a user adjustable output voltage, making it ideal for a variety of applications. This product is part of the Linear PMIC (Power Management Integrated Circuits) family and operates as a voltage regulator, meaning it will output a stable voltage that does not vary with changes in the operating current or load. This article will explore the application fields and working principle of the LP2951ACMMX-3.3 voltage regulator.

Application Fields

The LP2951ACMMX-3.3 is designed to produce stable, regulated 3.3V output power up to 3A. Its versatility and ease of use make it an ideal choice for a variety of applications. This product is well-suited for use in electronic devices such as computers, laptops, monitors, mobile phones, and audio/video equipment, as well as industrial control systems and automotive applications.Due to its adjustable output voltage, the LP2951ACMMX-3.3 can be used to provide stable power output in a wide range of contexts. For example, it can be used in devices that require different voltage levels, such as digital cameras, monitors, printers, and other devices with LCD displays. The LP2951ACMMX-3.3 is also well-suited for use in medical devices where precise power output is essential. The device’s adjustable output voltage feature allows users to finely control the voltage levels required in medical applications. This flexibility makes it an ideal choice for a wide range of medical applications.

Working Principle

The LP295ACMMX-3.3 operates as a linear voltage regulator and is based on the well-known series pass regulator principle. This means that the output voltage is regulated by varying the current through a series pass transistor. The amount of current flowing through the transistor is controlled by the output control pin of the regulator. The LP2951ACMMX-3.3 has an adjustable output voltage, which allows the user to set the desired voltage level during operation. This is accomplished by varying the reference voltage applied to the output control pin. The LP2951ACMMX-3.3 also features a wide input voltage range of 2.5V to 25V, which allows it to effectively regulate both AC and DC power sources. This capability is important in applications where the power source is not consistent, such as in cars or devices that rely on battery power.The LP2951ACMMX-3.3 is designed with additional features such as over/under voltage protection and thermal shutdown, as well as a precise current limit. These features are designed to ensure the device operates safely and reliably in any situation.

Conclusion

The LP2951ACMMX-3.3 is an excellent choice for applications that require a precise, reliable, and adjustable output voltage. Its wide input voltage range and precise output voltage adjustment make it a good choice for a variety of power management applications, from consumer electronics to medical equipment. Additionally, the device’s robust protection features such as over/under voltage protection, thermal shutdown, and precise current limit ensure that it will safely and reliably operate in any situation.

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