LM4040D30QDBZR Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4040D30
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	82µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	35µVrms
Series:	--
Temperature Coefficient:	150ppm/°C
Tolerance:	±1%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	3V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage ReferenceVoltage reference is one of the most important components in electronic systems. PMIC - Voltage References are devices used in electronic circuits to establish a precise reference voltage for signal processing or other purposes. In this article, we will discuss the application field and working principle of the LM4040D30QDBZR series voltage reference from Texas Instruments.The LM4040D30QDBZR is a low-noise, precision voltage reference that offers high-performance and accuracy, making it ideal for a wide range of applications. The device features a nominal voltage of 2.5 V, an accuracy of ±2 mV, and an initial tolerance of ±0,3 mV. The low temperature coefficient of 45 ppm/°C and low noise levels (1.1 μVrms) make the LM4040D30QDBZR a great choice when designing precision circuitry.The LM4040D30QDBZR is designed to be used in a wide variety of applications, such as voltage monitoring, instrumentation, and metering. The device can be used in systems where precise voltage regulation is required, such as batteries, power converters, and DC/DC converters. In addition, the device can also be used in feedback circuits for protection and regulation in industrial, automotive, and consumer applications.The LM4040D30QDBZR series consists of three devices with different operating current and power dissipation ratings. The operating current of the device ranges from 10 mA to 100 mA depending on the device, and the power dissipation is between 60 mW and 500 mW. The device features excellent ESD protection and is able to withstand up to 2 kV of ESD.The LM4040D30QDBZR\'s working principle is based on the use of internal MOSFETs and zener diodes that are connected in a reference feedback configuration. This circuit is able to generate a precise, temperature-stable voltage. The reference voltage is adjusted using a feedback loop that adjusts the MOSFET gate voltage, maintaining precise voltage resolution.In addition, the device features a hysteresis feature that improves accuracy and efficiency. During standby, the device draws very low current, and its output is disabled when not in use, thus conserving power and reducing power consumption.Overall, the LM4040D30QDBZR series voltage reference is a highly accurate and reliable device that is ideal for precision signal processing in a wide range of applications. Its low-noise and temperature coefficient, robust ESD protection, and low power consumption make it a great choice for designers and engineers looking for a precise voltage reference.

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