LT1587CT-3.3#PBF

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LT1587CT-3.3#PBF Application and Working Principle

The LT1587CT-3.3#P BF is part of Linear Technology\'s LTC family and is a precision, low-noise 3.3 V shunt regulator. This device is an excellent choice for power supply and voltage regulation in high frequency and high current applications. The device provides superior performance compared to standard linear regulators, making it an attractive and reliable solution for many power supply and voltage regulation needs.

The LT1587CT-3.3#PBF is designed for high-frequency and high-current applications that require superior performance with low noise. Its precision voltage regulation and fast transient response make it suitable for a wide variety of applications. It is ideal for medical equipment, scientific instrumentation, and any other application where precise voltage regulation and low noise are desired. The device can also be used as a conventional linear regulator by simply connecting the gate of the internal high voltage transistor to ground, providing a low dropout 3.3 V shunt regulator.

The LT1587CT-3.3#PBF features an internal NPN transistor with a PNP output transistor to provide superior voltage regulation and low output noise. The LT1587CT-3.3#PBF is capable of delivering 1A of output current while maintaining 3.3V of output voltage accuracy over wide temperature ranges. The device also features an internal reference voltage that is internally adjustable and can be adjusted to any one of either a 2.6V, 3.0V or 3.3V reference voltage. The device also has an adjustable soft-start feature to minimize in-rush current at start up.

The LT1587CT-3.3#PBF is designed for an input voltage operational range of 12V to 20V and is designed to be used from an unregulated source such as an AC transformer. The device features a silicone-controlled rectifier, allowing for the user to set a maximum voltage for the output voltage through a voltage reference. This feature is also useful for regulating the output voltage under load, as the voltage output is automatically adjusted for changes in load currents.

The LT1587CT-3.3#PBF is protected from over sound or over temperature and features current limiting, short circuit protection and thermal overload protection. The device also features thermal foldback, which prevents the device from drawing more than the specified current even at the highest rated temperatures.

Overall, the LT1587CT-3.3#P BF is an innovative and reliable 3.3V shunt regulator that provides superior performance and low noise in high frequency and high current applications. With its adjustable soft-start and reference voltage and wide temperature operating range, the device is perfect for a wide variety of applications such as medical equipment and scientific instrumentation.

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