LM4050CEX3-5.0+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:	±0.5%
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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Introduction

The LM4050CEX3-5.0+T is a precision monolithic voltage reference integrated circuit (IC) from Texas Instruments. It is a high-performance IC that has been designed for use in applications that require precise voltage and current regulation. The device is housed in a low profile 3-pin SOT-23-5 package, and offers excellent performance, low power consumption and wide operating temperature range. The LM4050CEX3-5.0+T is designed to operate with an input voltage of 3V to 5V. A broad operating temperature range of -40°C to +125°C is also supported.

Application Field

The LM4050CEX3-5.0+T is primarily used in PMIC (Power Management IC) applications for voltage and current regulation. The device can serve multiple purposes in the PMIC, including low drop-out voltage and current regulation, ultra-low noise circuitry, and thermal management. The LM4050CEX3-5.0+T has been designed to reduce power consumption and maintain superior performance. This makes it useful in applications that require extremely low-power operations, such as remote sensing modules, portable medical devices, and other ultra-low power systems.The LM4050CEX3-5.0+T can be used in a wide variety of industrial and automotive applications, such as automotive powertrain, motor control systems, and power supplies. It can also be used in energy management systems, data management systems, and low-emission control systems.

Working Principle

The main function of the LM4050CEX3-5.0+T is to provide a precise reference voltage. In order to do this, the device employs a bandgap voltage reference to generate a stable voltage output. This reference voltage is then buffered and regulated with low drop-out (LDO) circuitry, which minimizes current consumption and noise.The LM4050CEX3-5.0+T also has temperature coefficient circuitry to protect the reference voltage from temperature fluctuations. The device is equipped with a ±50ppm/°C temperature coefficient (TC) for better regulation of reference voltage over a wide temperature range.The device also has an input-output current limit of 10mA to protect the voltage reference from over-current. It also has a low start-up voltage of 1.5V and a wide operating temperature range of -40°C to +125°C.

Conclusion

The LM4050CEX3-5.0+T is a precision monolithic voltage reference integrated circuit (IC) from Texas Instruments. It is designed for applications that require precise voltage and current regulation and is primarily used in PMICs. The device employs a bandgap voltage reference to generate a stable voltage output and is equipped with temperature coefficient circuitry for better regulation of reference voltage over a wide temperature range. The LM4050CEX3-5.0+T is suitable for a wide variety of applications, such as automotive powertrain and motor control systems, energy management systems, and low-emission control systems.

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