LM4050BEX3-5.0+T Integrated Circuits (ICs)

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	LM4050
Supplier Device Package:	SC-70-3
Package / Case:	SC-70, SOT-323
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	80µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	80µVrms
Series:	--
Temperature Coefficient:	50ppm/°C
Tolerance:	±0.2%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	5V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM4050BEX3-5.0+T Application Field and Working PrincipleThe LM4050BEX3-5.0+T is a precision voltage reference device that operates with a wide input voltage range of 1.8V to 4.0V and with a wide temperature range of –55°C to +125°C. This device can be used for various applications such as buffering a signal, precise reference for a non-linear circuit, or adjusting the full-scale range of a robust DC-DC converter.The LM4050BEX3-5.0+T is one of the voltage regulator products from Texas Instruments; it belongs to the family of precision voltage references and is part of the PMIC (Power Management Integrated Circuit) technology. A PMIC is an integrated circuit (IC) for power management that supplies power to electronic devices, such as CPUs, DSPs, FPGAs and ASICs. PMICs are also part of the system-on-chip (SoC) design and provide critical power functions, as well as other functions such as voltage regulators, power sequencing and control, and system monitoring.The LM4050BEX3-5.0+T is a monolithic integrated circuit; it has a reference voltage of 5.000000V, a nominal initial accuracy of ±0.2%, a low temperature coefficient of 0.2mV/°C, internal thermal stability and is made with a CMOS process. It serves as a reference for non-linear circuits, and is also used as a voltage scaling device with high accuracy and low noise.The LM4050BEX3-5.0+T can be used in a wide range of applications; some examples include high side or low side current sensing, automotive applications, precision A/D and D/A converter, voltage scaling, and temperature and pressure sensing.The LM4050BEX3-5.0+T works with an input voltage of 1.8V to 4.0V and a wide temperature range of –55°C to +125°C. The reference output voltage is 5.00V with a typical accuracy of ±0.2% and a low temperature coefficient of 0.2mV/°C. The device has an internal voltage frequency range of up to 1MHz, a current consumption of 5-8mA, and a power supply rejection ratio of 25dB.The LM4050BEX3-5.0+T uses two separate internal voltage reference circuits; the first circuit is the bandgap circuit which supplies the reference voltage, and the second circuit is the temperature compensation circuit which compensates for temperature variations. The combination of the two circuits provides a highly stable and accurate voltage reference.The LM4050BEX3-5.0+T has been designed to operate in a wide range of applications. It can be used in buffering applications, precision linear circuits, DC-DC converters, voltage scaling, and in automotive applications. The device provides a high accuracy, low noise reference with a wide temperature range and a power supply rejection ratio of 25dB, making it suitable for a variety of applications. It is a reliable and robust voltage reference device with a wide input voltage range that is suitable for a range of power related applications.

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