TL4050B10QDBZT

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TL4050B10
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:	110µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	150µVrms
Series:	--
Temperature Coefficient:	50ppm/°C
Tolerance:	±0.2%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	10V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

TL4050B10QDBZT is a voltage reference PMIC (Power Management IC) from Texas Instruments that is used in many electronic devices, from chargers and flashlights, to medical equipment. It provides stable voltage references in the range of 1.2V to 32V, with a maximum power rating of 300mA. It offers excellent regulation accuracy and temperature coefficient, making it highly reliable and suitable for a variety of applications.

Application

TL4050B10QDBZT is primarily used in portable, battery-operated equipment such as laptops, mobile phones, and medical equipment. It is also employed in embedded systems and other more critical applications such as automotive, audio, industrial, and instrumentation systems. With its high temperature coefficient and regulation accuracy, it is well-suited for regulating voltage in critical applications. It is also used to power other circuits and components, such as switching regulators and linear DC-DC converters.

Working Principle

TL4050B10QDBZT is based on a bandgap voltage reference, a circuit configuration developed in the 1970s and still used today. This type of reference provides accurate, temperature-independent voltage by relying on the potential difference between P-type and N-type semiconductors. The device works by establishing a voltage drop across a resistor in the circuit, using a P-N junction. This voltage drop is used to maintain a constant voltage source, regardless of temperature fluctuations or other external factors. As current flows through the resistor, it generates a voltage, known as a "bandgap voltage". The output voltage is then adjusted to the desired level with the help of an amplifier.

Conclusion

TL4050B10QDBZT is a voltage reference PMIC from Texas Instruments that provides stable voltage references in the range of 1.2V to 32V, with a maximum power rating of 300mA. It offers excellent regulation accuracy and temperature coefficient, making it highly reliable and suitable for a variety of applications. It is primarily used in portable, battery-operated equipment such as laptops, mobile phones, and medical equipment. It is based on a bandgap voltage reference, a circuit configuration that works by establishing a voltage drop across a resistor in the circuit, using a P-N junction. This voltage drop is used to maintain a constant voltage source, regardless of temperature fluctuations or other external factors.

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