LT1963ET-3.3#30PBF

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LT1963ET-3.3#30PBF is a low-power linear voltage regulator integrated circuit from Linear Technologies. It is designed to provide a precision source of 3.3V with a maximum output current of 30mA. It is a 3-terminal, low power device that features an extremely low dropout voltage and a wide input range. The internal circuitry includes current limiting, thermal shutdown and output regulation, making it an ideal choice for a wide range of applications.

The LT1963ET-3.3#30PBF is typically used to supply low power, portable electronic devices including cell phones, PDAs, digital cameras and MP3 players. Its wide input range and high efficiency make it ideal for battery-powered applications. It is also used in embedded systems, instrumentation, industrial control and communication systems. In addition, it is well suited for powering FPGAs, ASICs and other logic circuits that require 3.3V.

The working principle of LT1963ET-3.3#30PBF is quite simple. It features a band-gap reference, PNP pass transistor and a P-channel MOSFET. The band-gap reference consisting of an amplifier and network of resistors generates a voltage of 1.225V. This voltage is applied to the Base of the PNP pass transistor which controls the current flowing through the P-channel MOSFET. This varies the voltage seen at the output terminals. When the desired output voltage (3.3V) is achieved, the current flowing through the PNP transistor is limited, resulting in a lowdropout voltage across the device.

The features of the LT1963ET-3.3#30PBF further enhance the performance of the device. It has low power consumption and a wide temperature range from -40°C to +85°C It has a very low dropout voltage of typically 0.2V at 30mA It also features short-circuit protection and thermal shutdown for safety. It is available in a narrow 12-Pin SOIC package for space-efficient design.

In conclusion, the LT1963ET-3.3#30PBF is an excellent option for battery operated electronics with its wide input range, lowdropout voltage, and high efficiency. Its simple working principle and robust features make it suitable for a wide range of applications. It is available in a compact 12-Pin SOIC package, making it ideal for space-constrained designs.

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