LM4041CEM3-1.2/NOPB Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4041
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:	68µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	20µVrms
Series:	--
Temperature Coefficient:	100ppm/°C
Tolerance:	±0.5%
Current - Output:	12mA
Voltage - Output (Min/Fixed):	1.225V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Pulse width modulation (PWM) driver integrated circuits (ICs), also known as power management integrated circuits (PMICs), are essential components in powering today’s Digital devices and other systems such as telecommunications, automotive, and consumer applications. PMICs are designed to provide output voltage and current regulation, as well as sequencing and monitoring of system power rails.The LM4041CEM3-1.2/NOPB is a precision series shunt voltage reference designed to provide cost effective, very low temperature drift and wide dynamic range voltage references. It offers a very low temperature coefficient of only 10ppm/°C and a wide input voltage range of up to 36V. The LM4041CEM3-1.2/NOPB is a voltage reference device intended for use in precision shunt applications.The LM4041CEM3-1.2/NOPB application field include various in various consumer, commercial, and industrial applications, including Uninterruptable Power Supplies (UPS), power management, consumer audio, and wide-bandgap LED lighting equipment. This device also finds use in automotive, aerospace, manufacturing process control, and medical instrumentation.The primary function of the LM4041CEM3-1.2/NOPB is to provide a voltage reference source for precision analog circuitry such as DACs and other analog-to-digital converters. It is also used in power supply circuits to provide a stable voltage reference. Additionally, The LM4041CEM3-1.2/NOPB can also be used in analog-to-digital converters, temperature control circuits, and industrial process control.The architecture of the LM4041CEM3-1.2/NOPB consists of an integrated circuit, a pair of matched voltage reference elements and a current mirror. The IC performs numerous functions such as sensing the voltage on the external nodes and controlling the operation of the circuit, comparing the reference voltage and the output voltage, comparing the two reference voltages and inverting the voltage levels between the two nodes, and providing the control current for the current mirror.The current mirror comprises of two threshold transistors. The threshold transistors enable the current mirror to be turned ON and OFF. These transistors enable the current mirror to operate at a fixed voltage level regardless of the input voltage. The voltage reference element is powered by the current source and provides a constant voltage level. The current source provides a constant current to the reference element, which ensures that the defined levels are maintained, even when the input voltage changes.The LM4041CEM3-1.2/NOPB also allows dynamic adjustment of the output voltage by controlling the current applied to the reference element. The voltage control input can be used to adjust the output voltage in two ways: by setting the current of the current mirror and by setting the voltage of the reference element. This flexibility enables the user to adjust the output voltage within a wide range.In summary, the LM4041CEM3-1.2/NOPB is a precision shunt voltage reference designed to provide cost effective, very low drift and wide dynamic range voltage references. It is suitable for various application field including Uninterruptable Power Supplies (UPS), power management, consumer audio, wide-bandgap LED lighting equipment, automotive, aerospace, manufacturing process control, and medical instrumentation. The LM4041CEM3-1.2/NOPB allows dynamic adjustment of the output voltage by controlling the current applied to the reference element, giving greater flexibility to the users.

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