LT1121CS8#TRPBF

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The LT1121CS8#TRPBF is a high performance low dropout three-terminal adjustable regulator from Linear Technology. It is designed as a drop-in replacement for fixed LDOs and to provide greater flexibility than competing adjustable solutions. The device can be used in a wide range of applications such as low power systems, portable devices, automotive, industrial, and many other fields. As a voltage regulator, the LT1121CS8#TRPBF is able to provide low noise and high efficiency with an adjustable output voltage range of 0.2 V to 5.25 V.

The LT1121CS8#TRPBF has a low quiescent current of only 160 uA and is capable of supplying up to 200 mA of output current. It is also designed for high load and line regulation even with a small load. The LT1121CS8#TRPBF has a wide input voltage range of 2.7 V to 11.4 V and a very low dropout voltage of 180 mV making it ideal for portable and low-voltage applications. In addition, the LT1121CS8#TRPBF has a high power supply rejection ratio of 80 dB.

When it comes to working principles, the LT1121CS8#TRPBF uses an internal PMOS pass transistor to achieve excellent output regulation. It has a feedback loop which senses the output voltage and adjusts the gate bias of the PMOS pass transistor accordingly to regulate its output voltage. This internal PMOS pass transistor also provides excellent PSRR and transient response. As a result, the LT1121CS8#TRPBF is able to provide a stable output voltage and low noise even with long wiring and large loads.

What makes the LT1121CS8#TRPBF really stand out however is its Advanced Low Dropout (LDO) technology. This technology allows for the LT1121CS8#TRPBF to provide up to 200 mA of current while still being able to maintain an incredibly low dropout voltage of 180 mV. This makes it effective for low voltage and portable applications. In addition, the LT1121CS8#TRPBF has a low noise of only 60 uV and a very low quiescent current of only 160 uA which makes it very efficient and cost effective.

Overall, the LT1121CS8#TRPBF is an excellent solution for applications requiring low dropout, high efficiency, and high power supply rejection ratio. With its wide input voltage range and adjustable output voltage, it can be used in a variety of applications such as low power and portable systems, automotive, and industrial applications. Its advanced LDO technology combined with a low noise and low quiescent current make the LT1121CS8#TRPBF an excellent choice for applications requiring accuracy and performance.

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