TL4050B25QDCKT

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TL4050B25
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	65µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	41µVrms
Series:	--
Temperature Coefficient:	50ppm/°C
Tolerance:	±0.2%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	2.5V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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TL4050B25QDCKT is a Voltage Reference from Texas Instruments. It is part of the PMIC (Power Management IC) family, and is used to regulate the output voltage of digital systems such as microcontrollers, digital logic circuits and beyond.The TL4050B25QDCKT provides a fixed output voltage of 2.50V (±3%) with a maximum output current of 25mA. It is suitable for analog and digital applications where a constant voltage is required. This Voltage Reference can be used as a current source, voltage source, or as a regulator.In terms of usability and convenience, the TL4050B25QDCKT comes in a compact Leadless Ceramic Chip Carrier (LCCC) package. It is RoHS compliant and is rated for an operating temperature range from -55°C to +125°C.

Application Field

The TL4050B25QDCKT Voltage Reference is highly portable and can be used in a variety of settings and applications. It is often found in low power applications, and can be used to power small microcontrollers, digital logic circuits and mixed signal systems. It can also be used in high-frequency applications such as RF transmitter and receiver systems, radio-over-fiber systems, and applications which require a high level of noise immunity.The TL4050B25QDCKT can also be used in precision medical applications as well as in industrial and automotive environments. It is robust and reliable and can withstand high operating temperatures and hazardous environments.

Working Principle

The TL4050B25QDCKT Voltage Reference is based on an internal voltage reference to sense a programmed, fixed output voltage and regulate it. The internal voltage reference is then compared to an external voltage reference to sense changes and adapt accordingly, thus providing a stable, regulated output voltage.The Voltage Reference is based on a bandgap architecture, where the internal voltage reference itself is monitored and compared to an external reference. The output voltage is then adjusted accordingly by adjusting the output current.Because of the dynamic nature of the Voltage Reference, it offers excellent temperature stability and accuracy over a wide temperature range. This makes it an ideal choice for precision and performance critical applications where temperature-related voltage drift is unacceptable.In addition, the Voltage Reference allows for precise sequencing of multiple power supplies. This can be used to power up and down high-current loads smoothly in order to avoid high inrush current and excessively large voltage drops.

Conclusion

The TL4050B25QDCKT Voltage Reference is an excellent choice for low power applications, as well as precision medical, industrial and automotive applications. Its compact, leadless package is both robust and reliable, and provides excellent temperature stability and accuracy over a wide range. In addition, its precise sequencing of multiple power supplies ensures that high current loads are powered up and down smoothly, avoiding high inrush current and voltage drops.

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