LM385Z-2.5/LFT3

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The LM385Z-2.5/LFT3 is a voltage reference integrated circuit (IC) that is part of the Precision Mobile and System Reference (PMSR) voltage reference family of products. It is a monolithic low-dropout (LDO) three-terminal voltage reference in a TO-92 package, and is designed for use with external resistors. The LM385Z-2.5/LFT3 is specifically designed for mobile and portable applications, providing a stable output voltage with ultra-low power consumption, low dropout voltage, and wide operating temperature range.

The LM385Z-2.5/LFT3 has a reference voltage of 2.5 volts and offers a guaranteed minimum 1.25V dropout voltage. It also has a typical tempco of 3.2mV/°C, a minimum 0.03%/V line regulation, and a low 0.1%/V load regulation. Its operating temperature range is -40°C to +125°C, and it has a quiescent current of 20uA. This makes the LM385Z-2.5/LFT3 perfect for mobile and portable applications, as it can operate in extremely tight power constraints. Additionally, the LM385Z-2.5/LFT3 is an ultra-low power LDO, with an active quiescent current of only 25µA.

The LM385Z-2.5/LFT3 is mainly used in step-down converters, voltage regulators, and other power supply applications where accuracy and stability are critical. It can be used as a precision voltage reference for battery charging and monitoring, load current sensing, and other low-voltage applications. The LM385Z-2.5/LFT3 also performs well in automotive applications, providing reliable performance in extreme temperatures. It is also used in a variety of industrial, consumer, and medical applications.

The LM385Z-2.5/LFT3 works by using two external resistors to set an internal gain of two. The two resistors, R1 and R2, are connected to the two observability taps at the reference output of the IC. The voltage output of the device is given by: Vout = 2.5V x [(R1 + R2)/R2].

The LM385Z-2.5/LFT3 is a valuable voltage reference for mobile and portable applications, providing excellent accuracy and stability even in extreme temperatures. The low dropout voltage and ultra-low power consumption make it perfect for use in tight power constraints, and its wide operating temperature range makes it suitable for a variety of applications. The LM385Z-2.5/LFT3 is a great choice for any type of voltage reference application.

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