S-1172B50-U5T1U Integrated Circuits (ICs)

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The S-1172B50-U5T1U linear voltage regulatoris a power management integrated circuit (PMIC) used for voltage regulation and regulation of current levels. It is often used in applications such as computers, consumer electronics, automotive, and medical equipment. It is commonly used to provide a constant voltage source from a selectable input voltage range.

The S-1172B50-U5T1U is a three-terminal negative adjustable voltage regulator. It provides an output voltage of –50V, with a maximum output current of 5 A. It is designed to operate over an extended temperature range of −40 °C to 125 °C without degrading, making it suitable for applications in extreme environmental conditions. The regulator also has a low quiescent current of only 40 mA and is protected against over-current and thermal shutdown. It has an on-chip, low dropout (LDO) voltage reference.

The S-1172B50-U5T1U regulator features a wide range of input voltages from 2V to 25V, allowing it to regulate any input voltage within its allowed range. The input voltage is adjustable via an external voltage divider network connected to the ADJ pin of the regulator. The dropout voltage of the regulator can be set up to 0.3V, depending on the current.

The S-1172B50-U5T1U regulation incorporates several features to ensure a stable voltage output and reduce power dissipation. It has a wide operating frequency range with a maximum frequency of 1 MHz. This allows the regulator to maintain regulation accuracy and reduce thermo-noise. The integrated error amplifier also allows for voltage level monitoring and pulse-by-pulse current limiting, with a maximum peak current of 5A.

The S-1172B50-U5T1U linear voltage regulator is widely used in applications such as computer systems, personal media players, cameras, medical equipment, communications equipment and automotive systems. It can be used for regulation of DC/DC converter outputs, providing a smooth supply voltage and limiting in-rush currents. It can also be used in many applications such as switching power supplies, protection circuits, battery charging and low noise analog and power supply designs.

In summary, the S-1172B50-U5T1U linear voltage regulator is a three-terminal adjustable voltage regulator with a wide input voltage range and adjustable output voltage of –50V. It is designed to provide accurate regulation over an extended temperature range, making it suitable for use in extreme environmental conditions. It is equipped with several advanced features such as low quiescent current, wide operating frequency range, extensive protection circuitry and an integrated error amplifier for voltage level monitoring, making it ideal for applications such as computers, consumer electronics and automotive systems.

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