LM4128DMF-3.0/NOPB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Reference Type:	Series
Output Type:	Fixed
Voltage - Output (Min/Fixed):	3V
Current - Output:	20mA
Tolerance:	±1%
Temperature Coefficient:	100ppm/°C
Noise - 0.1Hz to 10Hz:	285µVp-p
Noise - 10Hz to 10kHz:	--
Voltage - Input:	3.4 V ~ 5.5 V
Current - Supply:	100µA
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	LM4128

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LM4128DMF-3.0/NOPB application field and working principle

The LM4128DMF-3.0/NOPB is a voltage reference from Texas Instruments that belongs to a family of precision fixed voltage references. As part of the Power Management Integrated Circuit (PMIC) family, it offers not only precise voltage reference but also voltage accuracy and temperature stability which makes it suitable for a wide range of applications. In power management applications, the LM4128DMF-3.0/NOPB is often used to provide a precise and stable voltage reference for controlling power supply voltage and other analog circuits. Due to its wide operating temperature range, it is suitable for use in extreme temperatures. It can be used in automotive systems, portable electronics, industrial control systems and more. The LM4128DMF-3.0/NOPB provides a low-voltage reference with a range of 0.4 V to 5.5 V and a minimum operating temperature of -40°C. The precision is 6.25 mV and the accuracy is 70 ppm. It offers a very low temperature coefficient and can operate up to +125°C. It also provides thermal protection by providing auto-discharge at over-temperature, under-voltage or overcurrent conditions. The working principle of the LM4128DMF-3.0/NOPB is based on a reference circuit that uses a low-cost, low-power voltage follower. The circuit consists of an error amplifier and reference voltage generator, which generate a reference signal and a corresponding error signal. This error signal is then processed and trimmed using temperature compensation techniques to obtain a temperature-stable, accurate voltage reference signal. The LM4128DMF-3.0/NOPB is designed to be used efficiently in battery-backed systems. It has low quiescentcurrent, which minimizes power consumption and a wide input voltage range, which allows it to be used in virtually any system. The LM4128DMF-3.0/NOPB is an outstanding choice for providing a stable and highly accurate voltage reference in a wide variety of applications, especially for battery-backed systems where power savings are essential.

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