LP5910-1.1YKAR

Current - Output:	300mA
Supplier Device Package:	4-DSBGA
Package / Case:	4-XFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	80dB ~ 25dB (100Hz ~ 2MHz)
Current - Supply (Max):	350µA
Current - Quiescent (Iq):	25µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.1V
Voltage - Input (Max):	3.3V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LP5910-1.1YKAR is a Linear Voltage Regulator from the Texas Instruments Power Management IC (PMIC) category. The device is designed to efficiently provide a regulated output voltage from a wide variety of input source voltages, often found in low power applications such as industrial, embedded systems, mobile/computer peripherals, and other applications. It offers a high level of integration, efficiency, and also superior thermal performance.

Application Field

The main application field of the LP5910-1.1YKAR is in low-power applications, such as industrial embedded systems, mobile/computer peripherals, and similar applications.It can be used to provide regulated output voltages from a wide range of input source voltages, such as Li-Ion battery, AC adapter, or USB voltage (5.0V). The output voltage can be configured as either 1.2V/1.5V/1.8V/2.5V/3.3V/5.0V depending on the user’s application specific needs. It also features an integrated power switch with an adjustable current limit allowing the user to set their own maximum current limit setting.

Advantages

The LP5910-1.1YKAR provides numerous advantages to the user. First and foremost, it has a high level of integration, which enables the user to save numerous components and board space. This, in turn, increases the cost effectiveness of the design. Additionally, its high efficiency ensures the user’s application will have higher battery life and better thermal performance. The integrated power switch with adjustable current limit enables the user to set their own maximum current limit setting. This helps to prevent the system from being overloaded. Finally, the device\'s ability to provide a wide range of output voltage configurations makes it very user friendly and versatile.

Working Principle

The LP5910-1.1YKAR is designed to provide low power regulation from a wide variety of input sources. The device contains an internal power switch which is used to regulate the amount of input current that is supplied to the output. The switch is triggered when a set point is exceeded, preventing overloading of the power system. The internal voltage regulator can be set to one of the available output voltage configurations: 1.2V/1.5V/1.8V/2.5V/3.3V/5.0V. The regulation is handled by a variable voltage reference and an internal current limiter which in turn leads to the desired output voltage. The internal circuitry also includes the protection features such as input voltage undervoltage lockout, short circuit and over current protection, as well as thermal protection in case of high temperatures.

Conclusion

The LP5910-1.1YKAR is a highly integrated Linear Voltage Regulator from the Texas Instruments PMIC product portfolio. The device provides numerous advantages to the user, such as high integration, efficiency, and superior thermal performance. The ability to provide a wide range of output voltage configurations makes it a very useful device for applications requiring low power regulation from a wide variety of input sources. Its integrated power switch and adjustable current limit also helps in preventing overloading of the power system. Finally, its internal circuitry also provides protection features such as input voltage undervoltage lockout, short circuit and over current protection, as well as thermal protection in case of high temperatures.

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