LM4128AMFX-4.1

Noise - 0.1Hz to 10Hz:	350µVp-p
Base Part Number:	LM4128
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Current - Supply:	100µA
Voltage - Input:	4.496 V ~ 5.5 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	75ppm/°C
Tolerance:	±0.1%
Current - Output:	20mA
Voltage - Output (Min/Fixed):	4.096V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The LM4128AMFX-4.1 is a precision adjustable shunt regulator manufactured by National Semiconductor. It is classified as a PMIC (Power Management integrated circuit) that provides a wide range of voltage references for applications such as voltage regulation, voltage buffering, precision current sensing and current limiting. The LM4128AMFX-4.1 is available in several packages and can operate up to 36V. The device can be used to accurately regulate the voltage of any application requiring precision voltage regulation, such as those found in communications, computing, instrumentation, and motor control applications. The LM4128AMFX-4.1 is an adjustable, low-dropout shunt regulator. It is designed to provide linear voltage regulation in a small chip and is adjustable over a wide range of output voltages using an external resistor divider.The working principle of the LM4128AMFX-4.1 is based on the resistive voltage division principle. The device uses an external resistor divider to create an adjustable voltage reference. A series of resistors are connected between the ground and the output of the regulator. The external reference voltage is applied to the ground terminal of the device. The voltage output from the regulator is equal to the voltage divider ratio of the external resistors. The LM4128AMFX-4.1 can be used for a variety of applications, including voltage regulation, voltage buffering, precision current sensing, and current limiting. It is ideal for use in applications such as mobile phones, digital cameras, personal computers, and consumer electronics that require precise control of the voltage level. Additionally, the LM4128AMFX-4.1 can be used in industrial applications such as power supplies, motor control systems, and instrumentation. The LM4128AMFX-4.1 is designed to provide high-precision voltage regulation with excellent dynamic performance. It has a highly accurate adjustable output voltage and low output impedance, making it suitable for applications requiring fast transient response and high-precision regulation. It also provides excellent line and load regulation performance with low output noise and distortion. The device provides excellent thermal stability with a wide temperature range, making it suitable for applications in harsh environments. It is also designed with reverse-input protection, making it ideal for applications where power may be reversed. The LM4128AMFX-4.1 is also available in a variety of packages, allowing for ease of integration into a system. The LM4128AMFX-4.1 is a versatile and reliable voltage reference device from National Semiconductor. It is designed to provide precision voltage regulation and regulation performance with excellent dynamic performance and excellent thermal stability. The device is suitable for a wide range of applications, making it an ideal choice for power management solutions.

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