Voltage Dropout (Max):	0.5V @ 200mA
Supplier Device Package:	SSON004X1010
Package / Case:	4-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Quiescent (Iq):	60µA
Current - Output:	200mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.85V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

BU2JTD2WNVX-TL is a high-performance, low cost linear voltage regulator (LDO) stabilized with a P-Channel MOSFET, using a unique architecture that provides excellent low-noise performance. It is ideal for applications requiring low-noise linear regulation, such as powering sensitive analog circuits.

Application Field

The BU2JTD2WNVX-TL can be used in many different applications to help regulate power across a variety of mediums. Examples of some of the applications where the BU2JTD2WNVX-TL can be used are: in medical equipment, automotive, industrial controls and systems, consumer electronics, computers and peripherals, communications, and audio/visual equipment.

Working Principle

The BU2JTD2WNVX-TL employs a unique architecture to achieve excellent low-noise performance. At the core of its design lies an N-Channel Metal Oxide Semiconductor (MOSFET) to regulate voltage. The MOSFET is complemented by an operational amplifier to boost performance at lower input and output voltages.The MOSFET acts as a pass transistor and serves to regulate output voltage by varying its own drain-to-source resistance. This is done by controlling the current passing through the MOSFET and thereby allowing the output voltage to be adjusted as needed.In addition, the BU2JTD2WNVX-TL features an adjustable slew rate limiter which can be adjusted between 0.1V/microsecond and 84V/microsecond. This provides for a more stable and accurate output voltage, as well as better noise immunity.The operational amplifier works in conjunction with the MOSFET to ensure the best possible performance. The operational amplifier’s output is compared to a programmed reference voltage, and any difference is amplified to control the current through the MOSFET.The BU2JTD2WNVX-TL also features input hysteresis and cycle-by-cycle current limit for improved overall line regulation. This further improves the quality of the output, allowing for a highly stable and accurate output voltage.

Conclusion

The BU2JTD2WNVX-TL is an LDO that can be used in a variety of applications requiring low-noise linear regulation. The architecture employed by the BU2JTD2WNVX-TL is highly efficient, providing excellent low-noise performance and adjustable slew rate limiter. Its adjustable slew rate limiter and input hysteresis enable a more stable and accurate output voltage. Furthermore, the BU2JTD2WNVX-TL also features cycle-by-cycle current limit for improved overall line regulation. This makes the BU2JTD2WNVX-TL an ideal choice for powering sensitive analog circuits.

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